Issue %3021 - Remove python/altgraph

- This was depended on for macholib

87 files changed, 0 insertions, 12419 deletions

diff --git a/python/altgraph/MANIFEST.in b/python/altgraph/MANIFEST.in
deleted file mode 100644
index 9a9b96078..000000000
--- a/python/altgraph/MANIFEST.in
+++ /dev/null
@@ -1,9 +0,0 @@
-include ReadMe.txt
-include *.txt MANIFEST.in *.py
-graft doc
-graft doc/_static
-graft doc/_templates
-graft altgraph_tests
-global-exclude .DS_Store
-global-exclude *.pyc
-global-exclude *.so
diff --git a/python/altgraph/PKG-INFO b/python/altgraph/PKG-INFO
deleted file mode 100644
index 87b602f52..000000000
--- a/python/altgraph/PKG-INFO
+++ /dev/null
@@ -1,216 +0,0 @@
-Metadata-Version: 1.1
-Name: altgraph
-Version: 0.12
-Summary: Python graph (network) package
-Home-page: http://packages.python.org/altgraph
-Author: Ronald Oussoren
-Author-email: ronaldoussoren@mac.com
-License: MIT
-Download-URL: http://pypi.python.org/pypi/altgraph
-Description: altgraph is a fork of graphlib: a graph (network) package for constructing
-        graphs, BFS and DFS traversals, topological sort, shortest paths, etc. with
-        graphviz output.
-        
-        altgraph includes some additional usage of Python 2.6+ features and
-        enhancements related to modulegraph and macholib.
-        
-        
-        Release history
-        ===============
-        
-        0.12
-        ----
-        
-        - Added ``ObjectGraph.edgeData`` to retrieve the edge data
-          from a specific edge.
-        
-        - Added ``AltGraph.update_edge_data`` and ``ObjectGraph.updateEdgeData``
-          to update the data associated with a graph edge.
-        
-        0.11
-        ----
-        
-        - Stabilize the order of elements in dot file exports,
-          patch from bitbucket user 'pombredanne'.
-        
-        - Tweak setup.py file to remove dependency on distribute (but
-          keep the dependency on setuptools)
-        
-        
-        0.10.2
-        ------
-        
-        - There where no classifiers in the package metadata due to a bug
-          in setup.py
-        
-        0.10.1
-        ------
-        
-        This is a bugfix release
-        
-        Bug fixes:
-        
-        - Issue #3: The source archive contains a README.txt
-          while the setup file refers to ReadMe.txt.
-        
-          This is caused by a misfeature in distutils, as a
-          workaround I've renamed ReadMe.txt to README.txt
-          in the source tree and setup file.
-        
-        
-        0.10
-        -----
-        
-        This is a minor feature release
-        
-        Features:
-        
-        - Do not use "2to3" to support Python 3.
-        
-          As a side effect of this altgraph now supports
-          Python 2.6 and later, and no longer supports
-          earlier releases of Python.
-        
-        - The order of attributes in the Dot output
-          is now always alphabetical.
-        
-          With this change the output will be consistent
-          between runs and Python versions.
-        
-        0.9
-        ---
-        
-        This is a minor bugfix release
-        
-        Features:
-        
-        - Added ``altgraph.ObjectGraph.ObjectGraph.nodes``, a method
-          yielding all nodes in an object graph.
-        
-        Bugfixes:
-        
-        - The 0.8 release didn't work with py2app when using
-          python 3.x.
-        
-        
-        0.8
-        -----
-        
-        This is a minor feature release. The major new feature
-        is a extensive set of unittests, which explains almost
-        all other changes in this release.
-        
-        Bugfixes:
-        
-        - Installing failed with Python 2.5 due to using a distutils
-          class that isn't available in that version of Python
-          (issue #1 on the issue tracker)
-        
-        - ``altgraph.GraphStat.degree_dist`` now actually works
-        
-        - ``altgraph.Graph.add_edge(a, b, create_nodes=False)`` will
-          no longer create the edge when one of the nodes doesn't
-          exist.
-        
-        - ``altgraph.Graph.forw_topo_sort`` failed for some sparse graphs.
-        
-        - ``altgraph.Graph.back_topo_sort`` was completely broken in
-          previous releases.
-        
-        - ``altgraph.Graph.forw_bfs_subgraph`` now actually works.
-        
-        - ``altgraph.Graph.back_bfs_subgraph`` now actually works.
-        
-        - ``altgraph.Graph.iterdfs`` now returns the correct result
-          when the ``forward`` argument is ``False``.
-        
-        - ``altgraph.Graph.iterdata`` now returns the correct result
-          when the ``forward`` argument is ``False``.
-        
-        
-        Features:
-        
-        - The ``altgraph.Graph`` constructor now accepts an argument
-          that contains 2- and 3-tuples instead of requireing that
-          all items have the same size. The (optional) argument can now
-          also be any iterator.
-        
-        - ``altgraph.Graph.Graph.add_node`` has no effect when you
-          add a hidden node.
-        
-        - The private method ``altgraph.Graph._bfs`` is no longer
-          present.
-        
-        - The private method ``altgraph.Graph._dfs`` is no longer
-          present.
-        
-        - ``altgraph.ObjectGraph`` now has a ``__contains__`` methods,
-          which means you can use the ``in`` operator to check if a
-          node is part of a graph.
-        
-        - ``altgraph.GraphUtil.generate_random_graph`` will raise
-          ``GraphError`` instead of looping forever when it is
-          impossible to create the requested graph.
-        
-        - ``altgraph.Dot.edge_style`` raises ``GraphError`` when
-          one of the nodes is not present in the graph. The method
-          silently added the tail in the past, but without ensuring
-          a consistent graph state.
-        
-        - ``altgraph.Dot.save_img`` now works when the mode is
-          ``"neato"``.
-        
-        0.7.2
-        -----
-        
-        This is a minor bugfix release
-        
-        Bugfixes:
-        
-        - distutils didn't include the documentation subtree
-        
-        0.7.1
-        -----
-        
-        This is a minor feature release
-        
-        Features:
-        
-        - Documentation is now generated using `sphinx <http://pypi.python.org/pypi/sphinx>`_
-          and can be viewed at <http://packages.python.org/altgraph>.
-        
-        - The repository has moved to bitbucket
-        
-        - ``altgraph.GraphStat.avg_hops`` is no longer present, the function had no
-          implementation and no specified behaviour.
-        
-        - the module ``altgraph.compat`` is gone, which means altgraph will no
-          longer work with Python 2.3.
-        
-        
-        0.7.0
-        -----
-        
-        This is a minor feature release.
-        
-        Features:
-        
-        - Support for Python 3
-        
-        - It is now possible to run tests using 'python setup.py test'
-        
-          (The actual testsuite is still very minimal though)
-        
-Keywords: graph
-Platform: any
-Classifier: Intended Audience :: Developers
-Classifier: License :: OSI Approved :: MIT License
-Classifier: Programming Language :: Python
-Classifier: Programming Language :: Python :: 2
-Classifier: Programming Language :: Python :: 2.7
-Classifier: Programming Language :: Python :: 3
-Classifier: Programming Language :: Python :: 3.3
-Classifier: Programming Language :: Python :: 3.4
-Classifier: Topic :: Software Development :: Libraries :: Python Modules
-Classifier: Topic :: Scientific/Engineering :: Mathematics
-Classifier: Topic :: Scientific/Engineering :: Visualization
diff --git a/python/altgraph/README.txt b/python/altgraph/README.txt
deleted file mode 100644
index 904a14be5..000000000
--- a/python/altgraph/README.txt
+++ /dev/null
@@ -1,6 +0,0 @@
-altgraph is a fork of graphlib: a graph (network) package for constructing
-graphs, BFS and DFS traversals, topological sort, shortest paths, etc. with
-graphviz output.
-
-altgraph includes some additional usage of Python 2.6+ features and
-enhancements related to modulegraph and macholib.
diff --git a/python/altgraph/altgraph/Dot.py b/python/altgraph/altgraph/Dot.py
deleted file mode 100644
index 49a471e4d..000000000
--- a/python/altgraph/altgraph/Dot.py
+++ /dev/null
@@ -1,299 +0,0 @@
-'''
-altgraph.Dot - Interface to the dot language
-============================================
-
-The :py:mod:`~altgraph.Dot` module provides a simple interface to the
-file format used in the `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_
-program. The module is intended to offload the most tedious part of the process
-(the **dot** file generation) while transparently exposing most of its features.
-
-To display the graphs or to generate image files the `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_
-package needs to be installed on the system, moreover the :command:`dot` and :command:`dotty` programs must
-be accesible in the program path so that they can be ran from processes spawned
-within the module.
-
-Example usage
--------------
-
-Here is a typical usage::
-
-    from altgraph import Graph, Dot
-
-    # create a graph
-    edges = [ (1,2), (1,3), (3,4), (3,5), (4,5), (5,4) ]
-    graph = Graph.Graph(edges)
-
-    # create a dot representation of the graph
-    dot = Dot.Dot(graph)
-
-    # display the graph
-    dot.display()
-
-    # save the dot representation into the mydot.dot file
-    dot.save_dot(file_name='mydot.dot')
-
-    # save dot file as gif image into the graph.gif file
-    dot.save_img(file_name='graph', file_type='gif')
-
-Directed graph and non-directed graph
--------------------------------------
-
-Dot class can use for both directed graph and non-directed graph
-by passing ``graphtype`` parameter.
-
-Example::
-
-    # create directed graph(default)
-    dot = Dot.Dot(graph, graphtype="digraph")
-
-    # create non-directed graph
-    dot = Dot.Dot(graph, graphtype="graph")
-
-Customizing the output
-----------------------
-
-The graph drawing process may be customized by passing
-valid :command:`dot` parameters for the nodes and edges. For a list of all
-parameters see the `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_
-documentation.
-
-Example::
-
-    # customizing the way the overall graph is drawn
-    dot.style(size='10,10', rankdir='RL', page='5, 5' , ranksep=0.75)
-
-    # customizing node drawing
-    dot.node_style(1, label='BASE_NODE',shape='box', color='blue' )
-    dot.node_style(2, style='filled', fillcolor='red')
-
-    # customizing edge drawing
-    dot.edge_style(1, 2, style='dotted')
-    dot.edge_style(3, 5, arrowhead='dot', label='binds', labelangle='90')
-    dot.edge_style(4, 5, arrowsize=2, style='bold')
-
-
-.. note::
-
-   dotty (invoked via :py:func:`~altgraph.Dot.display`) may not be able to
-   display all graphics styles. To verify the output save it to an image file
-   and look at it that way.
-
-Valid attributes
-----------------
-
-    - dot styles, passed via the :py:meth:`Dot.style` method::
-
-        rankdir = 'LR'   (draws the graph horizontally, left to right)
-        ranksep = number (rank separation in inches)
-
-    - node attributes, passed via the :py:meth:`Dot.node_style` method::
-
-        style = 'filled' | 'invisible' | 'diagonals' | 'rounded'
-        shape = 'box' | 'ellipse' | 'circle' | 'point' | 'triangle'
-
-    - edge attributes, passed via the :py:meth:`Dot.edge_style` method::
-
-        style     = 'dashed' | 'dotted' | 'solid' | 'invis' | 'bold'
-        arrowhead = 'box' | 'crow' | 'diamond' | 'dot' | 'inv' | 'none' | 'tee' | 'vee'
-        weight    = number (the larger the number the closer the nodes will be)
-
-    - valid `graphviz colors <http://www.research.att.com/~erg/graphviz/info/colors.html>`_
-
-    - for more details on how to control the graph drawing process see the
-      `graphviz reference <http://www.research.att.com/sw/tools/graphviz/refs.html>`_.
-'''
-import os
-import warnings
-
-from altgraph import GraphError
-
-
-class Dot(object):
-    '''
-    A  class providing a **graphviz** (dot language) representation
-    allowing a fine grained control over how the graph is being
-    displayed.
-
-    If the :command:`dot` and :command:`dotty` programs are not in the current system path
-    their location needs to be specified in the contructor.
-    '''
-
-    def __init__(self, graph=None, nodes=None, edgefn=None, nodevisitor=None, edgevisitor=None, name="G", dot='dot', dotty='dotty', neato='neato', graphtype="digraph"):
-        '''
-        Initialization.
-        '''
-        self.name, self.attr = name, {}
-
-        assert graphtype in ['graph', 'digraph']
-        self.type = graphtype
-
-        self.temp_dot = "tmp_dot.dot"
-        self.temp_neo = "tmp_neo.dot"
-
-        self.dot, self.dotty, self.neato = dot, dotty, neato
-
-        # self.nodes: node styles
-        # self.edges: edge styles
-        self.nodes, self.edges = {}, {}
-
-        if graph is not None and nodes is None:
-            nodes = graph
-        if graph is not None and edgefn is None:
-            def edgefn(node, graph=graph):
-                return graph.out_nbrs(node)
-        if nodes is None:
-            nodes = ()
-
-        seen = set()
-        for node in nodes:
-            if nodevisitor is None:
-                style = {}
-            else:
-                style = nodevisitor(node)
-            if style is not None:
-                self.nodes[node] = {}
-                self.node_style(node, **style)
-                seen.add(node)
-        if edgefn is not None:
-            for head in seen:
-                for tail in (n for n in edgefn(head) if n in seen):
-                    if edgevisitor is None:
-                        edgestyle = {}
-                    else:
-                        edgestyle = edgevisitor(head, tail)
-                    if edgestyle is not None:
-                        if head not in self.edges:
-                            self.edges[head] = {}
-                        self.edges[head][tail] = {}
-                        self.edge_style(head, tail, **edgestyle)
-
-    def style(self, **attr):
-        '''
-        Changes the overall style
-        '''
-        self.attr = attr
-
-    def display(self, mode='dot'):
-        '''
-        Displays the current graph via dotty
-        '''
-
-        if  mode == 'neato':
-            self.save_dot(self.temp_neo)
-            neato_cmd = "%s -o %s %s" % (self.neato, self.temp_dot, self.temp_neo)
-            os.system(neato_cmd)
-        else:
-            self.save_dot(self.temp_dot)
-
-        plot_cmd = "%s %s" % (self.dotty, self.temp_dot)
-        os.system(plot_cmd)
-
-    def node_style(self, node, **kwargs):
-        '''
-        Modifies a node style to the dot representation.
-        '''
-        if node not in self.edges:
-            self.edges[node] = {}
-        self.nodes[node] = kwargs
-
-    def all_node_style(self, **kwargs):
-        '''
-        Modifies all node styles
-        '''
-        for node in self.nodes:
-            self.node_style(node, **kwargs)
-
-    def edge_style(self, head, tail, **kwargs):
-        '''
-        Modifies an edge style to the dot representation.
-        '''
-        if tail not in self.nodes:
-            raise GraphError("invalid node %s" % (tail,))
-
-        try:
-            if tail not in self.edges[head]:
-                self.edges[head][tail]= {}
-            self.edges[head][tail] = kwargs
-        except KeyError:
-            raise GraphError("invalid edge  %s -> %s " % (head, tail) )
-
-    def iterdot(self):
-        # write graph title
-        if self.type == 'digraph':
-            yield 'digraph %s {\n' % (self.name,)
-        elif self.type == 'graph':
-            yield 'graph %s {\n' % (self.name,)
-
-        else:
-            raise GraphError("unsupported graphtype %s" % (self.type,))
-
-        # write overall graph attributes
-        for attr_name, attr_value in sorted(self.attr.items()):
-            yield '%s="%s";' % (attr_name, attr_value)
-        yield '\n'
-
-        # some reusable patterns
-        cpatt  = '%s="%s",'      # to separate attributes
-        epatt  = '];\n'          # to end attributes
-
-        # write node attributes
-        for node_name, node_attr in sorted(self.nodes.items()):
-            yield '\t"%s" [' % (node_name,)
-            for attr_name, attr_value in sorted(node_attr.items()):
-                yield cpatt % (attr_name, attr_value)
-            yield epatt
-
-        # write edge attributes
-        for head in sorted(self.edges):
-            for tail in sorted(self.edges[head]):
-                if self.type == 'digraph':
-                    yield '\t"%s" -> "%s" [' % (head, tail)
-                else:
-                    yield '\t"%s" -- "%s" [' % (head, tail)
-                for attr_name, attr_value in sorted(self.edges[head][tail].items()):
-                    yield cpatt % (attr_name, attr_value)
-                yield epatt
-
-        # finish file
-        yield '}\n'
-
-    def __iter__(self):
-        return self.iterdot()
-
-    def save_dot(self, file_name=None):
-        '''
-        Saves the current graph representation into a file
-        '''
-
-        if not file_name:
-            warnings.warn(DeprecationWarning, "always pass a file_name")
-            file_name = self.temp_dot
-
-        fp   = open(file_name, "w")
-        try:
-            for chunk in self.iterdot():
-                fp.write(chunk)
-        finally:
-            fp.close()
-
-    def save_img(self, file_name=None, file_type="gif", mode='dot'):
-        '''
-        Saves the dot file as an image file
-        '''
-
-        if not file_name:
-            warnings.warn(DeprecationWarning, "always pass a file_name")
-            file_name = "out"
-
-        if  mode == 'neato':
-            self.save_dot(self.temp_neo)
-            neato_cmd = "%s -o %s %s" % (self.neato, self.temp_dot, self.temp_neo)
-            os.system(neato_cmd)
-            plot_cmd = self.dot
-        else:
-            self.save_dot(self.temp_dot)
-            plot_cmd = self.dot
-
-        file_name  = "%s.%s" % (file_name, file_type)
-        create_cmd = "%s -T%s %s -o %s" % (plot_cmd, file_type, self.temp_dot, file_name)
-        os.system(create_cmd)
diff --git a/python/altgraph/altgraph/Graph.py b/python/altgraph/altgraph/Graph.py
deleted file mode 100644
index 491e5c228..000000000
--- a/python/altgraph/altgraph/Graph.py
+++ /dev/null
@@ -1,677 +0,0 @@
-"""
-altgraph.Graph - Base Graph class
-=================================
-
-..
-  #--Version 2.1
-  #--Bob Ippolito October, 2004
-
-  #--Version 2.0
-  #--Istvan Albert June, 2004
-
-  #--Version 1.0
-  #--Nathan Denny, May 27, 1999
-"""
-
-from altgraph import GraphError
-from collections import deque
-
-class Graph(object):
-    """
-    The Graph class represents a directed graph with *N* nodes and *E* edges.
-
-    Naming conventions:
-
-    - the prefixes such as *out*, *inc* and *all* will refer to methods
-      that operate on the outgoing, incoming or all edges of that node.
-
-      For example: :py:meth:`inc_degree` will refer to the degree of the node
-      computed over the incoming edges (the number of neighbours linking to
-      the node).
-
-    - the prefixes such as *forw* and *back* will refer to the
-      orientation of the edges used in the method with respect to the node.
-
-      For example: :py:meth:`forw_bfs` will start at the node then use the outgoing
-      edges to traverse the graph (goes forward).
-    """
-
-    def __init__(self, edges=None):
-        """
-        Initialization
-        """
-
-        self.next_edge = 0
-        self.nodes, self.edges = {}, {}
-        self.hidden_edges, self.hidden_nodes = {}, {}
-
-        if edges is not None:
-            for item in edges:
-                if len(item) == 2:
-                    head, tail = item
-                    self.add_edge(head, tail)
-                elif len(item) == 3:
-                    head, tail, data = item
-                    self.add_edge(head, tail, data)
-                else:
-                    raise GraphError("Cannot create edge from %s"%(item,))
-
-
-    def __repr__(self):
-        return '<Graph: %d nodes, %d edges>' % (
-            self.number_of_nodes(), self.number_of_edges())
-
-    def add_node(self, node, node_data=None):
-        """
-        Adds a new node to the graph.  Arbitrary data can be attached to the
-        node via the node_data parameter.  Adding the same node twice will be
-        silently ignored.
-
-        The node must be a hashable value.
-        """
-        #
-        # the nodes will contain tuples that will store incoming edges,
-        # outgoing edges and data
-        #
-        # index 0 -> incoming edges
-        # index 1 -> outgoing edges
-
-        if node in self.hidden_nodes:
-            # Node is present, but hidden
-            return
-
-        if node not in self.nodes:
-            self.nodes[node] = ([], [], node_data)
-
-    def add_edge(self, head_id, tail_id, edge_data=1, create_nodes=True):
-        """
-        Adds a directed edge going from head_id to tail_id.
-        Arbitrary data can be attached to the edge via edge_data.
-        It may create the nodes if adding edges between nonexisting ones.
-
-        :param head_id: head node
-        :param tail_id: tail node
-        :param edge_data: (optional) data attached to the edge
-        :param create_nodes: (optional) creates the head_id or tail_id node in case they did not exist
-        """
-        # shorcut
-        edge = self.next_edge
-
-        # add nodes if on automatic node creation
-        if create_nodes:
-            self.add_node(head_id)
-            self.add_node(tail_id)
-
-        # update the corresponding incoming and outgoing lists in the nodes
-        # index 0 -> incoming edges
-        # index 1 -> outgoing edges
-
-        try:
-            self.nodes[tail_id][0].append(edge)
-            self.nodes[head_id][1].append(edge)
-        except KeyError:
-            raise GraphError('Invalid nodes %s -> %s' % (head_id, tail_id))
-
-        # store edge information
-        self.edges[edge] = (head_id, tail_id, edge_data)
-
-
-        self.next_edge += 1
-
-    def hide_edge(self, edge):
-        """
-        Hides an edge from the graph. The edge may be unhidden at some later
-        time.
-        """
-        try:
-            head_id, tail_id, edge_data = self.hidden_edges[edge] = self.edges[edge]
-            self.nodes[tail_id][0].remove(edge)
-            self.nodes[head_id][1].remove(edge)
-            del self.edges[edge]
-        except KeyError:
-            raise GraphError('Invalid edge %s' % edge)
-
-    def hide_node(self, node):
-        """
-        Hides a node from the graph.  The incoming and outgoing edges of the
-        node will also be hidden.  The node may be unhidden at some later time.
-        """
-        try:
-            all_edges = self.all_edges(node)
-            self.hidden_nodes[node] = (self.nodes[node], all_edges)
-            for edge in all_edges:
-                self.hide_edge(edge)
-            del self.nodes[node]
-        except KeyError:
-            raise GraphError('Invalid node %s' % node)
-
-    def restore_node(self, node):
-        """
-        Restores a previously hidden node back into the graph and restores
-        all of its incoming and outgoing edges.
-        """
-        try:
-            self.nodes[node], all_edges = self.hidden_nodes[node]
-            for edge in all_edges:
-                self.restore_edge(edge)
-            del self.hidden_nodes[node]
-        except KeyError:
-            raise GraphError('Invalid node %s' % node)
-
-    def restore_edge(self, edge):
-        """
-        Restores a previously hidden edge back into the graph.
-        """
-        try:
-            head_id, tail_id, data = self.hidden_edges[edge]
-            self.nodes[tail_id][0].append(edge)
-            self.nodes[head_id][1].append(edge)
-            self.edges[edge] = head_id, tail_id, data
-            del self.hidden_edges[edge]
-        except KeyError:
-            raise GraphError('Invalid edge %s' % edge)
-
-    def restore_all_edges(self):
-        """
-        Restores all hidden edges.
-        """
-        for edge in list(self.hidden_edges.keys()):
-            try:
-                self.restore_edge(edge)
-            except GraphError:
-                pass
-
-    def restore_all_nodes(self):
-        """
-        Restores all hidden nodes.
-        """
-        for node in list(self.hidden_nodes.keys()):
-            self.restore_node(node)
-
-    def __contains__(self, node):
-        """
-        Test whether a node is in the graph
-        """
-        return node in self.nodes
-
-    def edge_by_id(self, edge):
-        """
-        Returns the edge that connects the head_id and tail_id nodes
-        """
-        try:
-            head, tail, data =  self.edges[edge]
-        except KeyError:
-            head, tail = None, None
-            raise GraphError('Invalid edge %s' % edge)
-
-        return (head, tail)
-
-    def edge_by_node(self, head, tail):
-        """
-        Returns the edge that connects the head_id and tail_id nodes
-        """
-        for edge in self.out_edges(head):
-            if self.tail(edge) == tail:
-                return edge
-        return None
-
-    def number_of_nodes(self):
-        """
-        Returns the number of nodes
-        """
-        return len(self.nodes)
-
-    def number_of_edges(self):
-        """
-        Returns the number of edges
-        """
-        return len(self.edges)
-
-    def __iter__(self):
-        """
-        Iterates over all nodes in the graph
-        """
-        return iter(self.nodes)
-
-    def node_list(self):
-        """
-        Return a list of the node ids for all visible nodes in the graph.
-        """
-        return list(self.nodes.keys())
-
-    def edge_list(self):
-        """
-        Returns an iterator for all visible nodes in the graph.
-        """
-        return list(self.edges.keys())
-
-    def number_of_hidden_edges(self):
-        """
-        Returns the number of hidden edges
-        """
-        return len(self.hidden_edges)
-
-    def number_of_hidden_nodes(self):
-        """
-        Returns the number of hidden nodes
-        """
-        return len(self.hidden_nodes)
-
-    def hidden_node_list(self):
-        """
-        Returns the list with the hidden nodes
-        """
-        return list(self.hidden_nodes.keys())
-
-    def hidden_edge_list(self):
-        """
-        Returns a list with the hidden edges
-        """
-        return list(self.hidden_edges.keys())
-
-    def describe_node(self, node):
-        """
-        return node, node data, outgoing edges, incoming edges for node
-        """
-        incoming, outgoing, data = self.nodes[node]
-        return node, data, outgoing, incoming
-
-    def describe_edge(self, edge):
-        """
-        return edge, edge data, head, tail for edge
-        """
-        head, tail, data = self.edges[edge]
-        return edge, data, head, tail
-
-    def node_data(self, node):
-        """
-        Returns the data associated with a node
-        """
-        return self.nodes[node][2]
-
-    def edge_data(self, edge):
-        """
-        Returns the data associated with an edge
-        """
-        return self.edges[edge][2]
-
-    def update_edge_data(self, edge, edge_data):
-        """
-        Replace the edge data for a specific edge
-        """
-        self.edges[edge] = self.edges[edge][0:2] + (edge_data,)
-
-    def head(self, edge):
-        """
-        Returns the node of the head of the edge.
-        """
-        return self.edges[edge][0]
-
-    def tail(self, edge):
-        """
-        Returns node of the tail of the edge.
-        """
-        return self.edges[edge][1]
-
-    def out_nbrs(self, node):
-        """
-        List of nodes connected by outgoing edges
-        """
-        l = [self.tail(n) for n in self.out_edges(node)]
-        return l
-
-    def inc_nbrs(self, node):
-        """
-        List of nodes connected by incoming edges
-        """
-        l = [self.head(n) for n in self.inc_edges(node)]
-        return l
-
-    def all_nbrs(self, node):
-        """
-        List of nodes connected by incoming and outgoing edges
-        """
-        l = dict.fromkeys( self.inc_nbrs(node) + self.out_nbrs(node) )
-        return list(l)
-
-    def out_edges(self, node):
-        """
-        Returns a list of the outgoing edges
-        """
-        try:
-            return list(self.nodes[node][1])
-        except KeyError:
-            raise GraphError('Invalid node %s' % node)
-
-        return None
-
-    def inc_edges(self, node):
-        """
-        Returns a list of the incoming edges
-        """
-        try:
-            return list(self.nodes[node][0])
-        except KeyError:
-            raise GraphError('Invalid node %s' % node)
-
-        return None
-
-    def all_edges(self, node):
-        """
-        Returns a list of incoming and outging edges.
-        """
-        return set(self.inc_edges(node) + self.out_edges(node))
-
-    def out_degree(self, node):
-        """
-        Returns the number of outgoing edges
-        """
-        return len(self.out_edges(node))
-
-    def inc_degree(self, node):
-        """
-        Returns the number of incoming edges
-        """
-        return len(self.inc_edges(node))
-
-    def all_degree(self, node):
-        """
-        The total degree of a node
-        """
-        return self.inc_degree(node) + self.out_degree(node)
-
-    def _topo_sort(self, forward=True):
-        """
-        Topological sort.
-
-        Returns a list of nodes where the successors (based on outgoing and
-        incoming edges selected by the forward parameter) of any given node
-        appear in the sequence after that node.
-        """
-        topo_list = []
-        queue = deque()
-        indeg = {}
-
-        # select the operation that will be performed
-        if forward:
-            get_edges = self.out_edges
-            get_degree = self.inc_degree
-            get_next = self.tail
-        else:
-            get_edges = self.inc_edges
-            get_degree = self.out_degree
-            get_next = self.head
-
-        for node in self.node_list():
-            degree = get_degree(node)
-            if degree:
-                indeg[node] = degree
-            else:
-                queue.append(node)
-
-        while queue:
-            curr_node = queue.popleft()
-            topo_list.append(curr_node)
-            for edge in get_edges(curr_node):
-                tail_id = get_next(edge)
-                if tail_id in indeg:
-                    indeg[tail_id] -= 1
-                    if indeg[tail_id] == 0:
-                        queue.append(tail_id)
-
-        if len(topo_list) == len(self.node_list()):
-            valid = True
-        else:
-            # the graph has cycles, invalid topological sort
-            valid = False
-
-        return (valid, topo_list)
-
-    def forw_topo_sort(self):
-        """
-        Topological sort.
-
-        Returns a list of nodes where the successors (based on outgoing edges)
-        of any given node appear in the sequence after that node.
-        """
-        return self._topo_sort(forward=True)
-
-    def back_topo_sort(self):
-        """
-        Reverse topological sort.
-
-        Returns a list of nodes where the successors (based on incoming edges)
-        of any given node appear in the sequence after that node.
-        """
-        return self._topo_sort(forward=False)
-
-    def _bfs_subgraph(self, start_id, forward=True):
-        """
-        Private method creates a subgraph in a bfs order.
-
-        The forward parameter specifies whether it is a forward or backward
-        traversal.
-        """
-        if forward:
-            get_bfs  = self.forw_bfs
-            get_nbrs = self.out_nbrs
-        else:
-            get_bfs  = self.back_bfs
-            get_nbrs = self.inc_nbrs
-
-        g = Graph()
-        bfs_list = get_bfs(start_id)
-        for node in bfs_list:
-            g.add_node(node)
-
-        for node in bfs_list:
-            for nbr_id in get_nbrs(node):
-                g.add_edge(node, nbr_id)
-
-        return g
-
-    def forw_bfs_subgraph(self, start_id):
-        """
-        Creates and returns a subgraph consisting of the breadth first
-        reachable nodes based on their outgoing edges.
-        """
-        return self._bfs_subgraph(start_id, forward=True)
-
-    def back_bfs_subgraph(self, start_id):
-        """
-        Creates and returns a subgraph consisting of the breadth first
-        reachable nodes based on the incoming edges.
-        """
-        return self._bfs_subgraph(start_id, forward=False)
-
-    def iterdfs(self, start, end=None, forward=True):
-        """
-        Collecting nodes in some depth first traversal.
-
-        The forward parameter specifies whether it is a forward or backward
-        traversal.
-        """
-        visited, stack = set([start]), deque([start])
-
-        if forward:
-            get_edges = self.out_edges
-            get_next = self.tail
-        else:
-            get_edges = self.inc_edges
-            get_next = self.head
-
-        while stack:
-            curr_node = stack.pop()
-            yield curr_node
-            if curr_node == end:
-                break
-            for edge in sorted(get_edges(curr_node)):
-                tail = get_next(edge)
-                if tail not in visited:
-                    visited.add(tail)
-                    stack.append(tail)
-
-    def iterdata(self, start, end=None, forward=True, condition=None):
-        """
-        Perform a depth-first walk of the graph (as ``iterdfs``)
-        and yield the item data of every node where condition matches. The
-        condition callback is only called when node_data is not None.
-        """
-
-        visited, stack = set([start]), deque([start])
-
-        if forward:
-            get_edges = self.out_edges
-            get_next = self.tail
-        else:
-            get_edges = self.inc_edges
-            get_next = self.head
-
-        get_data = self.node_data
-
-        while stack:
-            curr_node = stack.pop()
-            curr_data = get_data(curr_node)
-            if curr_data is not None:
-                if condition is not None and not condition(curr_data):
-                    continue
-                yield curr_data
-            if curr_node == end:
-                break
-            for edge in get_edges(curr_node):
-                tail = get_next(edge)
-                if tail not in visited:
-                    visited.add(tail)
-                    stack.append(tail)
-
-    def _iterbfs(self, start, end=None, forward=True):
-        """
-        The forward parameter specifies whether it is a forward or backward
-        traversal.  Returns a list of tuples where the first value is the hop
-        value the second value is the node id.
-        """
-        queue, visited = deque([(start, 0)]), set([start])
-
-        # the direction of the bfs depends on the edges that are sampled
-        if forward:
-            get_edges = self.out_edges
-            get_next = self.tail
-        else:
-            get_edges = self.inc_edges
-            get_next = self.head
-
-        while queue:
-            curr_node, curr_step = queue.popleft()
-            yield (curr_node, curr_step)
-            if curr_node == end:
-                break
-            for edge in get_edges(curr_node):
-                tail = get_next(edge)
-                if tail not in visited:
-                    visited.add(tail)
-                    queue.append((tail, curr_step + 1))
-
-
-    def forw_bfs(self, start, end=None):
-        """
-        Returns a list of nodes in some forward BFS order.
-
-        Starting from the start node the breadth first search proceeds along
-        outgoing edges.
-        """
-        return [node for node, step in self._iterbfs(start, end, forward=True)]
-
-    def back_bfs(self, start, end=None):
-        """
-        Returns a list of nodes in some backward BFS order.
-
-        Starting from the start node the breadth first search proceeds along
-        incoming edges.
-        """
-        return [node for node, step in self._iterbfs(start, end, forward=False)]
-
-    def forw_dfs(self, start, end=None):
-        """
-        Returns a list of nodes in some forward DFS order.
-
-        Starting with the start node the depth first search proceeds along
-        outgoing edges.
-        """
-        return list(self.iterdfs(start, end, forward=True))
-
-    def back_dfs(self, start, end=None):
-        """
-        Returns a list of nodes in some backward DFS order.
-
-        Starting from the start node the depth first search proceeds along
-        incoming edges.
-        """
-        return list(self.iterdfs(start, end, forward=False))
-
-    def connected(self):
-        """
-        Returns :py:data:`True` if the graph's every node can be reached from every
-        other node.
-        """
-        node_list = self.node_list()
-        for node in node_list:
-            bfs_list = self.forw_bfs(node)
-            if len(bfs_list) != len(node_list):
-                return False
-        return True
-
-    def clust_coef(self, node):
-        """
-        Computes and returns the local clustering coefficient of node.  The
-        local cluster coefficient is proportion of the actual number of edges between
-        neighbours of node and the maximum number of edges between those neighbours.
-
-        See <http://en.wikipedia.org/wiki/Clustering_coefficient#Local_clustering_coefficient>
-        for a formal definition.
-        """
-        num = 0
-        nbr_set = set(self.out_nbrs(node))
-
-        if node in nbr_set:
-            nbr_set.remove(node) # loop defense
-
-        for nbr in nbr_set:
-            sec_set = set(self.out_nbrs(nbr))
-            if nbr in sec_set:
-                sec_set.remove(nbr) # loop defense
-            num += len(nbr_set & sec_set)
-
-        nbr_num = len(nbr_set)
-        if nbr_num:
-            clust_coef = float(num) / (nbr_num * (nbr_num - 1))
-        else:
-            clust_coef = 0.0
-        return clust_coef
-
-    def get_hops(self, start, end=None, forward=True):
-        """
-        Computes the hop distance to all nodes centered around a specified node.
-
-        First order neighbours are at hop 1, their neigbours are at hop 2 etc.
-        Uses :py:meth:`forw_bfs` or :py:meth:`back_bfs` depending on the value of the forward
-        parameter.  If the distance between all neighbouring nodes is 1 the hop
-        number corresponds to the shortest distance between the nodes.
-
-        :param start: the starting node
-        :param end: ending node (optional). When not specified will search the whole graph.
-        :param forward: directionality parameter (optional). If C{True} (default) it uses L{forw_bfs} otherwise L{back_bfs}.
-        :return: returns a list of tuples where each tuple contains the node and the hop.
-
-        Typical usage::
-
-            >>> print (graph.get_hops(1, 8))
-            >>> [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)]
-            # node 1 is at 0 hops
-            # node 2 is at 1 hop
-            # ...
-            # node 8 is at 5 hops
-        """
-        if forward:
-            return list(self._iterbfs(start=start, end=end, forward=True))
-        else:
-            return list(self._iterbfs(start=start, end=end, forward=False))
diff --git a/python/altgraph/altgraph/GraphAlgo.py b/python/altgraph/altgraph/GraphAlgo.py
deleted file mode 100644
index 9e6fff2b1..000000000
--- a/python/altgraph/altgraph/GraphAlgo.py
+++ /dev/null
@@ -1,147 +0,0 @@
-'''
-altgraph.GraphAlgo - Graph algorithms
-=====================================
-'''
-from altgraph import GraphError
-
-def dijkstra(graph, start, end=None):
-    """
-    Dijkstra's algorithm for shortest paths
-
-    `David Eppstein, UC Irvine, 4 April 2002 <http://www.ics.uci.edu/~eppstein/161/python/>`_
-
-    `Python Cookbook Recipe <http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/119466>`_
-
-    Find shortest paths from the  start node to all nodes nearer than or equal to the end node.
-
-    Dijkstra's algorithm is only guaranteed to work correctly when all edge lengths are positive.
-    This code does not verify this property for all edges (only the edges examined until the end
-    vertex is reached), but will correctly compute shortest paths even for some graphs with negative
-    edges, and will raise an exception if it discovers that a negative edge has caused it to make a mistake.
-
-    *Adapted to altgraph by Istvan Albert, Pennsylvania State University - June, 9 2004*
-
-    """
-    D = {}    # dictionary of final distances
-    P = {}    # dictionary of predecessors
-    Q = _priorityDictionary()    # estimated distances of non-final vertices
-    Q[start] = 0
-
-    for v in Q:
-        D[v] = Q[v]
-        if v == end: break
-
-        for w in graph.out_nbrs(v):
-            edge_id  = graph.edge_by_node(v,w)
-            vwLength = D[v] + graph.edge_data(edge_id)
-            if w in D:
-                if vwLength < D[w]:
-                    raise GraphError("Dijkstra: found better path to already-final vertex")
-            elif w not in Q or vwLength < Q[w]:
-                Q[w] = vwLength
-                P[w] = v
-
-    return (D,P)
-
-def shortest_path(graph, start, end):
-    """
-    Find a single shortest path from the given start node to the given end node.
-    The input has the same conventions as dijkstra(). The output is a list of the nodes
-    in order along the shortest path.
-
-    **Note that the distances must be stored in the edge data as numeric data**
-    """
-
-    D,P = dijkstra(graph, start, end)
-    Path = []
-    while 1:
-        Path.append(end)
-        if end == start: break
-        end = P[end]
-    Path.reverse()
-    return Path
-
-#
-# Utility classes and functions
-#
-class _priorityDictionary(dict):
-    '''
-    Priority dictionary using binary heaps (internal use only)
-
-    David Eppstein, UC Irvine, 8 Mar 2002
-
-    Implements a data structure that acts almost like a dictionary, with two modifications:
-        1. D.smallest() returns the value x minimizing D[x].  For this to work correctly,
-            all values D[x] stored in the dictionary must be comparable.
-        2. iterating "for x in D" finds and removes the items from D in sorted order.
-            Each item is not removed until the next item is requested, so D[x] will still
-            return a useful value until the next iteration of the for-loop.
-            Each operation takes logarithmic amortized time.
-    '''
-    def __init__(self):
-        '''
-        Initialize priorityDictionary by creating binary heap of pairs (value,key).
-        Note that changing or removing a dict entry will not remove the old pair from the heap
-        until it is found by smallest() or until the heap is rebuilt.
-        '''
-        self.__heap = []
-        dict.__init__(self)
-
-    def smallest(self):
-        '''
-        Find smallest item after removing deleted items from front of heap.
-        '''
-        if len(self) == 0:
-            raise IndexError("smallest of empty priorityDictionary")
-        heap = self.__heap
-        while heap[0][1] not in self or self[heap[0][1]] != heap[0][0]:
-            lastItem = heap.pop()
-            insertionPoint = 0
-            while 1:
-                smallChild = 2*insertionPoint+1
-                if smallChild+1 < len(heap) and heap[smallChild] > heap[smallChild+1] :
-                    smallChild += 1
-                if smallChild >= len(heap) or lastItem <= heap[smallChild]:
-                    heap[insertionPoint] = lastItem
-                    break
-                heap[insertionPoint] = heap[smallChild]
-                insertionPoint = smallChild
-        return heap[0][1]
-
-    def __iter__(self):
-        '''
-        Create destructive sorted iterator of priorityDictionary.
-        '''
-        def iterfn():
-            while len(self) > 0:
-                x = self.smallest()
-                yield x
-                del self[x]
-        return iterfn()
-
-    def __setitem__(self,key,val):
-        '''
-        Change value stored in dictionary and add corresponding pair to heap.
-        Rebuilds the heap if the number of deleted items gets large, to avoid memory leakage.
-        '''
-        dict.__setitem__(self,key,val)
-        heap = self.__heap
-        if len(heap) > 2 * len(self):
-            self.__heap = [(v,k) for k,v in self.iteritems()]
-            self.__heap.sort()  # builtin sort probably faster than O(n)-time heapify
-        else:
-            newPair = (val,key)
-            insertionPoint = len(heap)
-            heap.append(None)
-            while insertionPoint > 0 and newPair < heap[(insertionPoint-1)//2]:
-                heap[insertionPoint] = heap[(insertionPoint-1)//2]
-                insertionPoint = (insertionPoint-1)//2
-            heap[insertionPoint] = newPair
-
-    def setdefault(self,key,val):
-        '''
-        Reimplement setdefault to pass through our customized __setitem__.
-        '''
-        if key not in self:
-            self[key] = val
-        return self[key]
diff --git a/python/altgraph/altgraph/GraphStat.py b/python/altgraph/altgraph/GraphStat.py
deleted file mode 100644
index 25fc46c2d..000000000
--- a/python/altgraph/altgraph/GraphStat.py
+++ /dev/null
@@ -1,73 +0,0 @@
-'''
-altgraph.GraphStat - Functions providing various graph statistics
-=================================================================
-'''
-import sys
-
-def degree_dist(graph, limits=(0,0), bin_num=10, mode='out'):
-    '''
-    Computes the degree distribution for a graph.
-
-    Returns a list of tuples where the first element of the tuple is the center of the bin
-    representing a range of degrees and the second element of the tuple are the number of nodes
-    with the degree falling in the range.
-
-    Example::
-
-        ....
-    '''
-
-    deg = []
-    if mode == 'inc':
-        get_deg = graph.inc_degree
-    else:
-        get_deg = graph.out_degree
-
-    for node in graph:
-        deg.append( get_deg(node) )
-
-    if not deg:
-        return []
-
-    results = _binning(values=deg, limits=limits, bin_num=bin_num)
-
-    return results
-
-_EPS = 1.0/(2.0**32)
-def _binning(values, limits=(0,0), bin_num=10):
-    '''
-    Bins data that falls between certain limits, if the limits are (0, 0) the
-    minimum and maximum values are used.
-
-    Returns a list of tuples where the first element of the tuple is the center of the bin
-    and the second element of the tuple are the counts.
-    '''
-    if limits == (0, 0):
-        min_val, max_val = min(values) - _EPS, max(values) + _EPS
-    else:
-        min_val, max_val = limits
-
-    # get bin size
-    bin_size = (max_val - min_val)/float(bin_num)
-    bins = [0] * (bin_num)
-
-    # will ignore these outliers for now
-    out_points = 0
-    for value in values:
-        try:
-            if (value - min_val) < 0:
-                out_points += 1
-            else:
-                index = int((value - min_val)/float(bin_size))
-                bins[index] += 1
-        except IndexError:
-            out_points += 1
-
-    # make it ready for an x,y plot
-    result = []
-    center = (bin_size/2) + min_val
-    for i, y in enumerate(bins):
-        x = center + bin_size * i
-        result.append( (x,y) )
-
-    return result
diff --git a/python/altgraph/altgraph/GraphUtil.py b/python/altgraph/altgraph/GraphUtil.py
deleted file mode 100644
index d3b6acd74..000000000
--- a/python/altgraph/altgraph/GraphUtil.py
+++ /dev/null
@@ -1,137 +0,0 @@
-'''
-altgraph.GraphUtil - Utility classes and functions
-==================================================
-'''
-
-import random
-from collections import deque
-from altgraph import Graph
-from altgraph import GraphError
-
-def generate_random_graph(node_num, edge_num, self_loops=False, multi_edges=False):
-    '''
-    Generates and returns a :py:class:`~altgraph.Graph.Graph` instance with *node_num* nodes
-    randomly connected by *edge_num* edges.
-    '''
-    g = Graph.Graph()
-
-    if not multi_edges:
-        if self_loops:
-            max_edges = node_num * node_num
-        else:
-            max_edges = node_num * (node_num-1)
-
-        if edge_num > max_edges:
-            raise GraphError("inconsistent arguments to 'generate_random_graph'")
-
-    nodes = range(node_num)
-
-    for node in nodes:
-        g.add_node(node)
-
-    while 1:
-        head = random.choice(nodes)
-        tail = random.choice(nodes)
-
-        # loop defense
-        if head == tail and not self_loops:
-            continue
-
-        # multiple edge defense
-        if g.edge_by_node(head,tail) is not None and not multi_edges:
-            continue
-
-        # add the edge
-        g.add_edge(head, tail)
-        if g.number_of_edges() >= edge_num:
-            break
-
-    return g
-
-def generate_scale_free_graph(steps, growth_num, self_loops=False, multi_edges=False):
-    '''
-    Generates and returns a :py:class:`~altgraph.Graph.Graph` instance that will have *steps* \* *growth_num* nodes
-    and a scale free (powerlaw) connectivity. Starting with a fully connected graph with *growth_num* nodes
-    at every step *growth_num* nodes are added to the graph and are connected to existing nodes with
-    a probability proportional to the degree of these existing nodes.
-    '''
-    # FIXME: The code doesn't seem to do what the documentation claims.
-    graph = Graph.Graph()
-
-    # initialize the graph
-    store = []
-    for i in range(growth_num):
-        #store   += [ i ] * (growth_num - 1)
-        for j in range(i + 1, growth_num):
-            store.append(i)
-            store.append(j)
-            graph.add_edge(i,j)
-
-    # generate
-    for node in range(growth_num, steps * growth_num):
-        graph.add_node(node)
-        while ( graph.out_degree(node) < growth_num ):
-            nbr = random.choice(store)
-
-            # loop defense
-            if node == nbr and not self_loops:
-                continue
-
-            # multi edge defense
-            if graph.edge_by_node(node, nbr) and not multi_edges:
-                continue
-
-            graph.add_edge(node, nbr)
-
-
-        for nbr in graph.out_nbrs(node):
-            store.append(node)
-            store.append(nbr)
-
-    return graph
-
-def filter_stack(graph, head, filters):
-    """
-    Perform a walk in a depth-first order starting
-    at *head*.
-
-    Returns (visited, removes, orphans).
-
-    * visited: the set of visited nodes
-    * removes: the list of nodes where the node
-      data does not all *filters*
-    * orphans: tuples of (last_good, node),
-      where node is not in removes, is directly
-      reachable from a node in *removes* and
-      *last_good* is the closest upstream node that is not
-      in *removes*.
-    """
-
-    visited, removes, orphans = set([head]), set(), set()
-    stack = deque([(head, head)])
-    get_data = graph.node_data
-    get_edges = graph.out_edges
-    get_tail = graph.tail
-
-    while stack:
-        last_good, node = stack.pop()
-        data = get_data(node)
-        if data is not None:
-            for filtfunc in filters:
-                if not filtfunc(data):
-                    removes.add(node)
-                    break
-            else:
-                last_good = node
-        for edge in get_edges(node):
-            tail = get_tail(edge)
-            if last_good is not node:
-                orphans.add((last_good, tail))
-            if tail not in visited:
-                visited.add(tail)
-                stack.append((last_good, tail))
-
-    orphans = [(last_good, tail) for (last_good, tail) in orphans if tail not in removes]
-    #orphans.sort()
-
-    return visited, removes, orphans
diff --git a/python/altgraph/altgraph/ObjectGraph.py b/python/altgraph/altgraph/ObjectGraph.py
deleted file mode 100644
index d07f51b68..000000000
--- a/python/altgraph/altgraph/ObjectGraph.py
+++ /dev/null
@@ -1,202 +0,0 @@
-"""
-altgraph.ObjectGraph - Graph of objects with an identifier
-==========================================================
-
-A graph of objects that have a "graphident" attribute.
-graphident is the key for the object in the graph
-"""
-
-from altgraph import GraphError
-from altgraph.Graph import Graph
-from altgraph.GraphUtil import filter_stack
-
-class ObjectGraph(object):
-    """
-    A graph of objects that have a "graphident" attribute.
-    graphident is the key for the object in the graph
-    """
-    def __init__(self, graph=None, debug=0):
-        if graph is None:
-            graph = Graph()
-        self.graphident = self
-        self.graph = graph
-        self.debug = debug
-        self.indent = 0
-        graph.add_node(self, None)
-
-    def __repr__(self):
-        return '<%s>' % (type(self).__name__,)
-
-    def flatten(self, condition=None, start=None):
-        """
-        Iterate over the subgraph that is entirely reachable by condition
-        starting from the given start node or the ObjectGraph root
-        """
-        if start is None:
-            start = self
-        start = self.getRawIdent(start)
-        return self.graph.iterdata(start=start, condition=condition)
-
-    def nodes(self):
-        for ident in self.graph:
-            node = self.graph.node_data(ident)
-            if node is not None:
-                yield self.graph.node_data(ident)
-
-
-    def get_edges(self, node):
-        start = self.getRawIdent(node)
-        _, _, outraw, incraw = self.graph.describe_node(start)
-        def iter_edges(lst, n):
-            seen = set()
-            for tpl in (self.graph.describe_edge(e) for e in lst):
-                ident = tpl[n]
-                if ident not in seen:
-                    yield self.findNode(ident)
-                    seen.add(ident)
-        return iter_edges(outraw, 3), iter_edges(incraw, 2)
-
-    def edgeData(self, fromNode, toNode):
-        start = self.getRawIdent(fromNode)
-        stop = self.getRawIdent(toNode)
-        edge = self.graph.edge_by_node(start, stop)
-        return self.graph.edge_data(edge)
-
-    def updateEdgeData(self, fromNode, toNode, edgeData):
-        start = self.getRawIdent(fromNode)
-        stop = self.getRawIdent(toNode)
-        edge = self.graph.edge_by_node(start, stop)
-        self.graph.update_edge_data(edge, edgeData)
-
-    def filterStack(self, filters):
-        """
-        Filter the ObjectGraph in-place by removing all edges to nodes that
-        do not match every filter in the given filter list
-
-        Returns a tuple containing the number of: (nodes_visited, nodes_removed, nodes_orphaned)
-        """
-        visited, removes, orphans = filter_stack(self.graph, self, filters)
-
-        for last_good, tail in orphans:
-            self.graph.add_edge(last_good, tail, edge_data='orphan')
-
-        for node in removes:
-            self.graph.hide_node(node)
-
-        return len(visited)-1, len(removes), len(orphans)
-
-    def removeNode(self, node):
-        """
-        Remove the given node from the graph if it exists
-        """
-        ident = self.getIdent(node)
-        if ident is not None:
-            self.graph.hide_node(ident)
-
-    def removeReference(self, fromnode, tonode):
-        """
-        Remove all edges from fromnode to tonode
-        """
-        if fromnode is None:
-            fromnode = self
-        fromident = self.getIdent(fromnode)
-        toident = self.getIdent(tonode)
-        if fromident is not None and toident is not None:
-            while True:
-                edge = self.graph.edge_by_node(fromident, toident)
-                if edge is None:
-                    break
-                self.graph.hide_edge(edge)
-
-    def getIdent(self, node):
-        """
-        Get the graph identifier for a node
-        """
-        ident = self.getRawIdent(node)
-        if ident is not None:
-            return ident
-        node = self.findNode(node)
-        if node is None:
-            return None
-        return node.graphident
-
-    def getRawIdent(self, node):
-        """
-        Get the identifier for a node object
-        """
-        if node is self:
-            return node
-        ident = getattr(node, 'graphident', None)
-        return ident
-
-    def __contains__(self, node):
-        return self.findNode(node) is not None
-
-    def findNode(self, node):
-        """
-        Find the node on the graph
-        """
-        ident = self.getRawIdent(node)
-        if ident is None:
-            ident = node
-        try:
-            return self.graph.node_data(ident)
-        except KeyError:
-            return None
-
-    def addNode(self, node):
-        """
-        Add a node to the graph referenced by the root
-        """
-        self.msg(4, "addNode", node)
-
-        try:
-            self.graph.restore_node(node.graphident)
-        except GraphError:
-            self.graph.add_node(node.graphident, node)
-
-    def createReference(self, fromnode, tonode, edge_data=None):
-        """
-        Create a reference from fromnode to tonode
-        """
-        if fromnode is None:
-            fromnode = self
-        fromident, toident = self.getIdent(fromnode), self.getIdent(tonode)
-        if fromident is None or toident is None:
-            return
-        self.msg(4, "createReference", fromnode, tonode, edge_data)
-        self.graph.add_edge(fromident, toident, edge_data=edge_data)
-
-    def createNode(self, cls, name, *args, **kw):
-        """
-        Add a node of type cls to the graph if it does not already exist
-        by the given name
-        """
-        m = self.findNode(name)
-        if m is None:
-            m = cls(name, *args, **kw)
-            self.addNode(m)
-        return m
-
-    def msg(self, level, s, *args):
-        """
-        Print a debug message with the given level
-        """
-        if s and level <= self.debug:
-            print ("%s%s %s" % ("  " * self.indent, s, ' '.join(map(repr, args))))
-
-    def msgin(self, level, s, *args):
-        """
-        Print a debug message and indent
-        """
-        if level <= self.debug:
-            self.msg(level, s, *args)
-            self.indent = self.indent + 1
-
-    def msgout(self, level, s, *args):
-        """
-        Dedent and print a debug message
-        """
-        if level <= self.debug:
-            self.indent = self.indent - 1
-            self.msg(level, s, *args)
diff --git a/python/altgraph/altgraph/__init__.py b/python/altgraph/altgraph/__init__.py
deleted file mode 100644
index 9f72c18e5..000000000
--- a/python/altgraph/altgraph/__init__.py
+++ /dev/null
@@ -1,135 +0,0 @@
-'''
-altgraph - a python graph library
-=================================
-
-altgraph is a fork of `graphlib <http://pygraphlib.sourceforge.net>`_ tailored
-to use newer Python 2.3+ features, including additional support used by the
-py2app suite (modulegraph and macholib, specifically).
-
-altgraph is a python based graph (network) representation and manipulation package.
-It has started out as an extension to the `graph_lib module <http://www.ece.arizona.edu/~denny/python_nest/graph_lib_1.0.1.html>`_
-written by Nathan Denny it has been significantly optimized and expanded.
-
-The :class:`altgraph.Graph.Graph` class is loosely modeled after the `LEDA <http://www.algorithmic-solutions.com/enleda.htm>`_
-(Library of Efficient Datatypes)  representation. The library
-includes methods for constructing graphs, BFS and DFS traversals,
-topological sort, finding connected components, shortest paths as well as a number
-graph statistics functions. The library can also visualize graphs
-via `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_.
-
-The package contains the following modules:
-
-    -  the :py:mod:`altgraph.Graph` module contains the :class:`~altgraph.Graph.Graph` class that stores the graph data
-
-    -  the :py:mod:`altgraph.GraphAlgo` module implements graph algorithms operating on graphs (:py:class:`~altgraph.Graph.Graph`} instances)
-
-    -  the :py:mod:`altgraph.GraphStat` module contains functions for computing statistical measures on graphs
-
-    -  the :py:mod:`altgraph.GraphUtil` module contains functions for generating, reading and saving graphs
-
-    -  the :py:mod:`altgraph.Dot` module  contains functions for displaying graphs via `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_
-
-    -  the :py:mod:`altgraph.ObjectGraph` module implements a graph of objects with a unique identifier
-
-Installation
-------------
-
-Download and unpack the archive then type::
-
-    python setup.py install
-
-This will install the library in the default location. For instructions on
-how to customize the install procedure read the output of::
-
-    python setup.py --help install
-
-To verify that the code works run the test suite::
-
-    python setup.py test
-
-Example usage
--------------
-
-Lets assume that we want to analyze the graph below (links to the full picture) GRAPH_IMG.
-Our script then might look the following way::
-
-    from altgraph import Graph, GraphAlgo, Dot
-
-    # these are the edges
-    edges = [ (1,2), (2,4), (1,3), (2,4), (3,4), (4,5), (6,5),
-        (6,14), (14,15), (6, 15),  (5,7), (7, 8), (7,13), (12,8),
-        (8,13), (11,12), (11,9), (13,11), (9,13), (13,10) ]
-
-    # creates the graph
-    graph = Graph.Graph()
-    for head, tail in edges:
-        graph.add_edge(head, tail)
-
-    # do a forward bfs from 1 at most to 20
-    print(graph.forw_bfs(1))
-
-This will print the nodes in some breadth first order::
-
-    [1, 2, 3, 4, 5, 7, 8, 13, 11, 10, 12, 9]
-
-If we wanted to get the hop-distance from node 1 to node 8
-we coud write::
-
-    print(graph.get_hops(1, 8))
-
-This will print the following::
-
-    [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)]
-
-Node 1 is at 0 hops since it is the starting node, nodes 2,3 are 1 hop away ...
-node 8 is 5 hops away. To find the shortest distance between two nodes you
-can use::
-
-    print(GraphAlgo.shortest_path(graph, 1, 12))
-
-It will print the nodes on one (if there are more) the shortest paths::
-
-    [1, 2, 4, 5, 7, 13, 11, 12]
-
-To display the graph we can use the GraphViz backend::
-
-    dot = Dot.Dot(graph)
-
-    # display the graph on the monitor
-    dot.display()
-
-    # save it in an image file
-    dot.save_img(file_name='graph', file_type='gif')
-
-
-
-..
-  @author: U{Istvan Albert<http://www.personal.psu.edu/staff/i/u/iua1/>}
-
-  @license:  MIT License
-
-  Copyright (c) 2004 Istvan Albert unless otherwise noted.
-
-  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-  and associated documentation files (the "Software"), to deal in the Software without restriction,
-  including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
-  and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do
-  so.
-
-  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-  INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
-  PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
-  FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-  THE SOFTWARE.
-  @requires: Python 2.3 or higher
-
-  @newfield contributor: Contributors:
-  @contributor: U{Reka Albert <http://www.phys.psu.edu/~ralbert/>}
-
-'''
-import pkg_resources
-__version__ = pkg_resources.require('altgraph')[0].version
-
-class GraphError(ValueError):
-    pass
diff --git a/python/altgraph/altgraph_tests/__init__.py b/python/altgraph/altgraph_tests/__init__.py
deleted file mode 100644
index 6890389df..000000000
--- a/python/altgraph/altgraph_tests/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-""" altgraph tests """
diff --git a/python/altgraph/altgraph_tests/test_altgraph.py b/python/altgraph/altgraph_tests/test_altgraph.py
deleted file mode 100644
index 2ca6b251e..000000000
--- a/python/altgraph/altgraph_tests/test_altgraph.py
+++ /dev/null
@@ -1,45 +0,0 @@
-#!/usr/bin/env py.test
-import os
-import sys
-
-from altgraph import Graph, GraphAlgo
-import unittest
-
-class BasicTests (unittest.TestCase):
-    def setUp(self):
-        self.edges = [
-            (1,2), (2,4), (1,3), (2,4), (3,4), (4,5), (6,5), (6,14), (14,15),
-            (6, 15), (5,7), (7, 8), (7,13), (12,8), (8,13), (11,12), (11,9),
-            (13,11), (9,13), (13,10)
-        ]
-
-        # these are the edges
-        self.store = {}
-        self.g = Graph.Graph()
-        for head, tail in self.edges:
-            self.store[head] = self.store[tail] = None
-            self.g.add_edge(head, tail)
-
-    def test_num_edges(self):
-        # check the parameters
-        self.assertEqual(self.g.number_of_nodes(), len(self.store))
-        self.assertEqual(self.g.number_of_edges(), len(self.edges))
-
-    def test_forw_bfs(self):
-        # do a forward bfs
-        self.assertEqual( self.g.forw_bfs(1),
-                [1, 2, 3, 4, 5, 7, 8, 13, 11, 10, 12, 9])
-
-
-    def test_get_hops(self):
-        # diplay the hops and hop numbers between nodes
-        self.assertEqual(self.g.get_hops(1, 8),
-                [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)])
-
-    def test_shortest_path(self):
-        self.assertEqual(GraphAlgo.shortest_path(self.g, 1, 12),
-                [1, 2, 4, 5, 7, 13, 11, 12])
-
-
-if __name__ == "__main__":  # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/altgraph_tests/test_dot.py b/python/altgraph/altgraph_tests/test_dot.py
deleted file mode 100644
index 83993dad5..000000000
--- a/python/altgraph/altgraph_tests/test_dot.py
+++ /dev/null
@@ -1,370 +0,0 @@
-import unittest
-import os
-
-from altgraph import Dot
-from altgraph import Graph
-from altgraph import GraphError
-
-
-class TestDot (unittest.TestCase):
-
-    def test_constructor(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g)
-
-        self.assertEqual(dot.name, 'G')
-        self.assertEqual(dot.attr, {})
-        self.assertEqual(dot.temp_dot, 'tmp_dot.dot')
-        self.assertEqual(dot.temp_neo, 'tmp_neo.dot')
-        self.assertEqual(dot.dot, 'dot')
-        self.assertEqual(dot.dotty, 'dotty')
-        self.assertEqual(dot.neato, 'neato')
-        self.assertEqual(dot.type, 'digraph')
-
-        self.assertEqual(dot.nodes, dict([(x, {}) for x in g]))
-
-        edges = {}
-        for head in g:
-            edges[head] = {}
-            for tail in g.out_nbrs(head):
-                edges[head][tail] = {}
-
-        self.assertEqual(dot.edges[1], edges[1])
-        self.assertEqual(dot.edges, edges)
-
-
-        dot = Dot.Dot(g, nodes=[1,2],
-                edgefn=lambda node: list(sorted(g.out_nbrs(node)))[:-1],
-                nodevisitor=lambda node: {'label': node},
-                edgevisitor=lambda head, tail: {'label': (head, tail) },
-                name="testgraph",
-                dot='/usr/local/bin/dot',
-                dotty='/usr/local/bin/dotty',
-                neato='/usr/local/bin/neato',
-                graphtype="graph")
-
-        self.assertEqual(dot.name, 'testgraph')
-        self.assertEqual(dot.attr, {})
-        self.assertEqual(dot.temp_dot, 'tmp_dot.dot')
-        self.assertEqual(dot.temp_neo, 'tmp_neo.dot')
-        self.assertEqual(dot.dot, '/usr/local/bin/dot')
-        self.assertEqual(dot.dotty, '/usr/local/bin/dotty')
-        self.assertEqual(dot.neato, '/usr/local/bin/neato')
-        self.assertEqual(dot.type, 'graph')
-
-        self.assertEqual(dot.nodes, dict([(x, {'label': x}) for x in [1,2]]))
-
-        edges = {}
-        for head in [1,2]:
-            edges[head] = {}
-            for tail in list(sorted(g.out_nbrs(head)))[:-1]:
-                if tail not in [1,2]: continue
-                edges[head][tail] = {'label': (head, tail) }
-
-        self.assertEqual(dot.edges[1], edges[1])
-        self.assertEqual(dot.edges, edges)
-
-        self.assertRaises(GraphError, Dot.Dot, g, nodes=[1,2, 9])
-
-    def test_style(self):
-        g = Graph.Graph([])
-
-        dot = Dot.Dot(g)
-
-        self.assertEqual(dot.attr, {})
-
-        dot.style(key='value')
-        self.assertEqual(dot.attr, {'key': 'value'})
-
-        dot.style(key2='value2')
-        self.assertEqual(dot.attr, {'key2': 'value2'})
-
-    def test_node_style(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g)
-
-        self.assertEqual(dot.nodes[1], {})
-
-        dot.node_style(1, key='value')
-        self.assertEqual(dot.nodes[1], {'key': 'value'})
-
-        dot.node_style(1, key2='value2')
-        self.assertEqual(dot.nodes[1], {'key2': 'value2'})
-        self.assertEqual(dot.nodes[2], {})
-
-        dot.all_node_style(key3='value3')
-        for n in g:
-            self.assertEqual(dot.nodes[n], {'key3': 'value3'})
-
-        self.assertTrue(9 not in dot.nodes)
-        dot.node_style(9, key='value')
-        self.assertEqual(dot.nodes[9], {'key': 'value'})
-
-    def test_edge_style(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g)
-
-        self.assertEqual(dot.edges[1][2], {})
-        dot.edge_style(1,2, foo='bar')
-        self.assertEqual(dot.edges[1][2], {'foo': 'bar'})
-
-        dot.edge_style(1,2, foo2='2bar')
-        self.assertEqual(dot.edges[1][2], {'foo2': '2bar'})
-
-        self.assertEqual(dot.edges[1][3], {})
-
-        self.assertFalse(6 in dot.edges[1])
-        dot.edge_style(1,6, foo2='2bar')
-        self.assertEqual(dot.edges[1][6], {'foo2': '2bar'})
-
-        self.assertRaises(GraphError, dot.edge_style, 1, 9, a=1)
-        self.assertRaises(GraphError, dot.edge_style, 9, 1, a=1)
-
-
-    def test_iter(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g)
-        dot.style(graph="foobar")
-        dot.node_style(1, key='value')
-        dot.node_style(2, key='another', key2='world')
-        dot.edge_style(1,4, key1='value1', key2='value2')
-        dot.edge_style(2,4, key1='valueA')
-
-        self.assertEqual(list(iter(dot)), list(dot.iterdot()))
-
-        for item in dot.iterdot():
-            self.assertTrue(isinstance(item, str))
-
-        first = list(dot.iterdot())[0]
-        self.assertEqual(first, "digraph %s {\n"%(dot.name,))
-
-        dot.type = 'graph'
-        first = list(dot.iterdot())[0]
-        self.assertEqual(first, "graph %s {\n"%(dot.name,))
-
-        dot.type = 'foo'
-        self.assertRaises(GraphError, list, dot.iterdot())
-        dot.type = 'digraph'
-
-        self.assertEqual(list(dot), [
-            'digraph G {\n',
-              'graph="foobar";',
-              '\n',
-
-            '\t"1" [',
-              'key="value",',
-            '];\n',
-
-            '\t"2" [',
-              'key="another",',
-              'key2="world",',
-            '];\n',
-
-            '\t"3" [',
-            '];\n',
-
-            '\t"4" [',
-            '];\n',
-
-            '\t"6" [',
-            '];\n',
-
-            '\t"7" [',
-            '];\n',
-
-            '\t"1" -> "2" [',
-            '];\n',
-
-            '\t"1" -> "3" [',
-            '];\n',
-
-            '\t"1" -> "4" [',
-              'key1="value1",',
-              'key2="value2",',
-            '];\n',
-
-             '\t"2" -> "4" [',
-               'key1="valueA",',
-             '];\n',
-
-             '\t"2" -> "6" [',
-             '];\n',
-
-             '\t"2" -> "7" [',
-             '];\n',
-
-             '\t"6" -> "1" [',
-             '];\n',
-
-             '\t"7" -> "4" [',
-             '];\n',
-           '}\n'])
-
-
-    def test_save(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g)
-        dot.style(graph="foobar")
-        dot.node_style(1, key='value')
-        dot.node_style(2, key='another', key2='world')
-        dot.edge_style(1,4, key1='value1', key2='value2')
-        dot.edge_style(2,4, key1='valueA')
-
-        fn = 'test_dot.dot'
-        self.assertTrue(not os.path.exists(fn))
-
-        try:
-            dot.save_dot(fn)
-
-            fp = open(fn, 'r')
-            data = fp.read()
-            fp.close()
-            self.assertEqual(data, ''.join(dot))
-
-        finally:
-            if os.path.exists(fn):
-                os.unlink(fn)
-
-
-    def test_img(self):
-        g = Graph.Graph([
-                (1,2),
-                (1,3),
-                (1,4),
-                (2,4),
-                (2,6),
-                (2,7),
-                (7,4),
-                (6,1),
-            ]
-        )
-
-        dot = Dot.Dot(g, dot='/usr/local/bin/!!dot', dotty='/usr/local/bin/!!dotty', neato='/usr/local/bin/!!neato')
-        dot.style(size='10,10', rankdir='RL', page='5, 5' , ranksep=0.75)
-        dot.node_style(1, label='BASE_NODE',shape='box', color='blue')
-        dot.node_style(2, style='filled', fillcolor='red')
-        dot.edge_style(1,4, style='dotted')
-        dot.edge_style(2,4, arrowhead='dot', label='binds', labelangle='90')
-
-        system_cmds = []
-        def fake_system(cmd):
-            system_cmds.append(cmd)
-            return None
-
-        try:
-            real_system = os.system
-            os.system = fake_system
-
-            system_cmds = []
-            dot.save_img('foo')
-            self.assertEqual(system_cmds, ['/usr/local/bin/!!dot -Tgif tmp_dot.dot -o foo.gif'])
-
-            system_cmds = []
-            dot.save_img('foo', file_type='jpg')
-            self.assertEqual(system_cmds, ['/usr/local/bin/!!dot -Tjpg tmp_dot.dot -o foo.jpg'])
-
-            system_cmds = []
-            dot.save_img('bar', file_type='jpg', mode='neato')
-            self.assertEqual(system_cmds, [
-                '/usr/local/bin/!!neato -o tmp_dot.dot tmp_neo.dot',
-                '/usr/local/bin/!!dot -Tjpg tmp_dot.dot -o bar.jpg',
-            ])
-
-            system_cmds = []
-            dot.display()
-            self.assertEqual(system_cmds, [
-                '/usr/local/bin/!!dotty tmp_dot.dot'
-            ])
-
-            system_cmds = []
-            dot.display(mode='neato')
-            self.assertEqual(system_cmds, [
-                '/usr/local/bin/!!neato -o tmp_dot.dot tmp_neo.dot',
-                '/usr/local/bin/!!dotty tmp_dot.dot'
-            ])
-
-        finally:
-            if os.path.exists(dot.temp_dot):
-                os.unlink(dot.temp_dot)
-            if os.path.exists(dot.temp_neo):
-                os.unlink(dot.temp_neo)
-            os.system = real_system
-
-        if os.path.exists('/usr/local/bin/dot') and os.path.exists('/usr/local/bin/neato'):
-            try:
-                dot.dot='/usr/local/bin/dot'
-                dot.neato='/usr/local/bin/neato'
-                self.assertFalse(os.path.exists('foo.gif'))
-                dot.save_img('foo')
-                self.assertTrue(os.path.exists('foo.gif'))
-                os.unlink('foo.gif')
-
-                self.assertFalse(os.path.exists('foo.gif'))
-                dot.save_img('foo', mode='neato')
-                self.assertTrue(os.path.exists('foo.gif'))
-                os.unlink('foo.gif')
-
-            finally:
-                if os.path.exists(dot.temp_dot):
-                    os.unlink(dot.temp_dot)
-                if os.path.exists(dot.temp_neo):
-                    os.unlink(dot.temp_neo)
-
-
-if __name__ == "__main__": # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/altgraph_tests/test_graph.py b/python/altgraph/altgraph_tests/test_graph.py
deleted file mode 100644
index 553549f5a..000000000
--- a/python/altgraph/altgraph_tests/test_graph.py
+++ /dev/null
@@ -1,644 +0,0 @@
-import unittest
-
-from altgraph import GraphError
-from altgraph.Graph import Graph
-
-class TestGraph (unittest.TestCase):
-
-    def test_nodes(self):
-        graph = Graph()
-
-        self.assertEqual(graph.node_list(), [])
-
-        o1 = object()
-        o1b = object()
-        o2 = object()
-        graph.add_node(1, o1)
-        graph.add_node(1, o1b)
-        graph.add_node(2, o2)
-        graph.add_node(3)
-
-        self.assertRaises(TypeError, graph.add_node, [])
-
-        self.assertTrue(graph.node_data(1) is o1)
-        self.assertTrue(graph.node_data(2) is o2)
-        self.assertTrue(graph.node_data(3) is None)
-
-        self.assertTrue(1 in graph)
-        self.assertTrue(2 in graph)
-        self.assertTrue(3 in graph)
-
-        self.assertEqual(graph.number_of_nodes(), 3)
-        self.assertEqual(graph.number_of_hidden_nodes(), 0)
-        self.assertEqual(graph.hidden_node_list(), [])
-        self.assertEqual(list(sorted(graph)), [1, 2, 3])
-
-        graph.hide_node(1)
-        graph.hide_node(2)
-        graph.hide_node(3)
-
-
-        self.assertEqual(graph.number_of_nodes(), 0)
-        self.assertEqual(graph.number_of_hidden_nodes(), 3)
-        self.assertEqual(list(sorted(graph.hidden_node_list())), [1, 2, 3])
-
-        self.assertFalse(1 in graph)
-        self.assertFalse(2 in graph)
-        self.assertFalse(3 in graph)
-
-        graph.add_node(1)
-        self.assertFalse(1 in graph)
-
-        graph.restore_node(1)
-        self.assertTrue(1 in graph)
-        self.assertFalse(2 in graph)
-        self.assertFalse(3 in graph)
-
-        graph.restore_all_nodes()
-        self.assertTrue(1 in graph)
-        self.assertTrue(2 in graph)
-        self.assertTrue(3 in graph)
-
-        self.assertEqual(list(sorted(graph.node_list())), [1, 2, 3])
-
-        v = graph.describe_node(1)
-        self.assertEqual(v, (1, o1, [], []))
-
-    def test_edges(self):
-        graph = Graph()
-        graph.add_node(1)
-        graph.add_node(2)
-        graph.add_node(3)
-        graph.add_node(4)
-        graph.add_node(5)
-
-        self.assertTrue(isinstance(graph.edge_list(), list))
-
-        graph.add_edge(1, 2)
-        graph.add_edge(4, 5, 'a')
-
-        self.assertRaises(GraphError, graph.add_edge, 'a', 'b', create_nodes=False)
-
-        self.assertEqual(graph.number_of_hidden_edges(), 0)
-        self.assertEqual(graph.number_of_edges(), 2)
-        e = graph.edge_by_node(1, 2)
-        self.assertTrue(isinstance(e, int))
-        graph.hide_edge(e)
-        self.assertEqual(graph.number_of_hidden_edges(), 1)
-        self.assertEqual(graph.number_of_edges(), 1)
-        e2 = graph.edge_by_node(1, 2)
-        self.assertTrue(e2 is None)
-
-        graph.restore_edge(e)
-        e2 = graph.edge_by_node(1, 2)
-        self.assertEqual(e, e2)
-        self.assertEqual(graph.number_of_hidden_edges(), 0)
-
-        self.assertEqual(graph.number_of_edges(), 2)
-
-        e1 = graph.edge_by_node(1, 2)
-        e2 = graph.edge_by_node(4, 5)
-        graph.hide_edge(e1)
-        graph.hide_edge(e2)
-
-        self.assertEqual(graph.number_of_edges(), 0)
-        graph.restore_all_edges()
-        self.assertEqual(graph.number_of_edges(), 2)
-
-        self.assertEqual(graph.edge_by_id(e1), (1,2))
-        self.assertRaises(GraphError, graph.edge_by_id, (e1+1)*(e2+1)+1)
-
-        self.assertEqual(list(sorted(graph.edge_list())), [e1, e2])
-
-        self.assertEqual(graph.describe_edge(e1), (e1, 1, 1, 2))
-        self.assertEqual(graph.describe_edge(e2), (e2, 'a', 4, 5))
-
-        self.assertEqual(graph.edge_data(e1), 1)
-        self.assertEqual(graph.edge_data(e2), 'a')
-
-        self.assertEqual(graph.head(e2), 4)
-        self.assertEqual(graph.tail(e2), 5)
-
-        graph.add_edge(1, 3)
-        graph.add_edge(1, 5)
-        graph.add_edge(4, 1)
-
-        self.assertEqual(list(sorted(graph.out_nbrs(1))), [2, 3, 5])
-        self.assertEqual(list(sorted(graph.inc_nbrs(1))), [4])
-        self.assertEqual(list(sorted(graph.inc_nbrs(5))), [1, 4])
-        self.assertEqual(list(sorted(graph.all_nbrs(1))), [2, 3, 4, 5])
-
-        graph.add_edge(5, 1)
-        self.assertEqual(list(sorted(graph.all_nbrs(5))), [1, 4])
-
-        self.assertEqual(graph.out_degree(1), 3)
-        self.assertEqual(graph.inc_degree(2), 1)
-        self.assertEqual(graph.inc_degree(5), 2)
-        self.assertEqual(graph.all_degree(5), 3)
-
-        v = graph.out_edges(4)
-        self.assertTrue(isinstance(v, list))
-        self.assertEqual(graph.edge_by_id(v[0]), (4, 5))
-
-        v = graph.out_edges(1)
-        for e in v:
-            self.assertEqual(graph.edge_by_id(e)[0], 1)
-
-        v = graph.inc_edges(1)
-        self.assertTrue(isinstance(v, list))
-        self.assertEqual(graph.edge_by_id(v[0]), (4, 1))
-
-        v = graph.inc_edges(5)
-        for e in v:
-            self.assertEqual(graph.edge_by_id(e)[1], 5)
-
-        v = graph.all_edges(5)
-        for e in v:
-            self.assertTrue(graph.edge_by_id(e)[1] == 5 or graph.edge_by_id(e)[0] == 5)
-
-        e1 = graph.edge_by_node(1, 2)
-        self.assertTrue(isinstance(e1, int))
-        graph.hide_node(1)
-        self.assertRaises(GraphError, graph.edge_by_node, 1, 2)
-        graph.restore_node(1)
-        e2 = graph.edge_by_node(1, 2)
-        self.assertEqual(e1, e2)
-
-
-
-    def test_toposort(self):
-        graph = Graph()
-        graph.add_node(1)
-        graph.add_node(2)
-        graph.add_node(3)
-        graph.add_node(4)
-        graph.add_node(5)
-
-        graph.add_edge(1, 2)
-        graph.add_edge(1, 3)
-        graph.add_edge(2, 4)
-        graph.add_edge(3, 5)
-
-        ok, result = graph.forw_topo_sort()
-        self.assertTrue(ok)
-        for idx in range(1, 6):
-            self.assertTrue(idx in result)
-
-        self.assertTrue(result.index(1) < result.index(2))
-        self.assertTrue(result.index(1) < result.index(3))
-        self.assertTrue(result.index(2) < result.index(4))
-        self.assertTrue(result.index(3) < result.index(5))
-
-        ok, result = graph.back_topo_sort()
-        self.assertTrue(ok)
-        for idx in range(1, 6):
-            self.assertTrue(idx in result)
-        self.assertTrue(result.index(2) < result.index(1))
-        self.assertTrue(result.index(3) < result.index(1))
-        self.assertTrue(result.index(4) < result.index(2))
-        self.assertTrue(result.index(5) < result.index(3))
-
-
-        # Same graph as before, but with edges
-        # reversed, which means we should get
-        # the same results as before if using
-        # back_topo_sort rather than forw_topo_sort
-        # (and v.v.)
-
-        graph = Graph()
-        graph.add_node(1)
-        graph.add_node(2)
-        graph.add_node(3)
-        graph.add_node(4)
-        graph.add_node(5)
-
-        graph.add_edge(2, 1)
-        graph.add_edge(3, 1)
-        graph.add_edge(4, 2)
-        graph.add_edge(5, 3)
-
-        ok, result = graph.back_topo_sort()
-        self.assertTrue(ok)
-        for idx in range(1, 6):
-            self.assertTrue(idx in result)
-
-        self.assertTrue(result.index(1) < result.index(2))
-        self.assertTrue(result.index(1) < result.index(3))
-        self.assertTrue(result.index(2) < result.index(4))
-        self.assertTrue(result.index(3) < result.index(5))
-
-        ok, result = graph.forw_topo_sort()
-        self.assertTrue(ok)
-        for idx in range(1, 6):
-            self.assertTrue(idx in result)
-        self.assertTrue(result.index(2) < result.index(1))
-        self.assertTrue(result.index(3) < result.index(1))
-        self.assertTrue(result.index(4) < result.index(2))
-        self.assertTrue(result.index(5) < result.index(3))
-
-
-        # Create a cycle
-        graph.add_edge(1, 5)
-        ok, result = graph.forw_topo_sort()
-        self.assertFalse(ok)
-        ok, result = graph.back_topo_sort()
-        self.assertFalse(ok)
-
-    def test_bfs_subgraph(self):
-        graph = Graph()
-        graph.add_edge(1, 2)
-        graph.add_edge(1, 4)
-        graph.add_edge(2, 4)
-        graph.add_edge(4, 8)
-        graph.add_edge(4, 9)
-        graph.add_edge(4, 10)
-        graph.add_edge(8, 10)
-
-        subgraph = graph.forw_bfs_subgraph(10)
-        self.assertTrue(isinstance(subgraph, Graph))
-        self.assertEqual(subgraph.number_of_nodes(), 1)
-        self.assertTrue(10 in subgraph)
-        self.assertEqual(subgraph.number_of_edges(), 0)
-
-        subgraph = graph.forw_bfs_subgraph(4)
-        self.assertTrue(isinstance(subgraph, Graph))
-        self.assertEqual(subgraph.number_of_nodes(), 4)
-        self.assertTrue(4 in subgraph)
-        self.assertTrue(8 in subgraph)
-        self.assertTrue(9 in subgraph)
-        self.assertTrue(10 in subgraph)
-        self.assertEqual(subgraph.number_of_edges(), 4)
-        e = subgraph.edge_by_node(4, 8)
-        e = subgraph.edge_by_node(4, 9)
-        e = subgraph.edge_by_node(4, 10)
-        e = subgraph.edge_by_node(8, 10)
-
-        # same graph as before, but switch around
-        # edges. This results in the same test results
-        # but now for back_bfs_subgraph rather than
-        # forw_bfs_subgraph
-
-        graph = Graph()
-        graph.add_edge(2, 1)
-        graph.add_edge(4, 1)
-        graph.add_edge(4, 2)
-        graph.add_edge(8, 4)
-        graph.add_edge(9, 4)
-        graph.add_edge(10, 4)
-        graph.add_edge(10, 8)
-
-        subgraph = graph.back_bfs_subgraph(10)
-        self.assertTrue(isinstance(subgraph, Graph))
-        self.assertEqual(subgraph.number_of_nodes(), 1)
-        self.assertTrue(10 in subgraph)
-        self.assertEqual(subgraph.number_of_edges(), 0)
-
-        subgraph = graph.back_bfs_subgraph(4)
-        self.assertTrue(isinstance(subgraph, Graph))
-        self.assertEqual(subgraph.number_of_nodes(), 4)
-        self.assertTrue(4 in subgraph)
-        self.assertTrue(8 in subgraph)
-        self.assertTrue(9 in subgraph)
-        self.assertTrue(10 in subgraph)
-        self.assertEqual(subgraph.number_of_edges(), 4)
-        e = subgraph.edge_by_node(4, 8)
-        e = subgraph.edge_by_node(4, 9)
-        e = subgraph.edge_by_node(4, 10)
-        e = subgraph.edge_by_node(8, 10)
-
-    def test_iterdfs(self):
-        graph = Graph()
-        graph.add_edge("1", "1.1")
-        graph.add_edge("1", "1.2")
-        graph.add_edge("1", "1.3")
-        graph.add_edge("1.1", "1.1.1")
-        graph.add_edge("1.1", "1.1.2")
-        graph.add_edge("1.2", "1.2.1")
-        graph.add_edge("1.2", "1.2.2")
-        graph.add_edge("1.2.2", "1.2.2.1")
-        graph.add_edge("1.2.2", "1.2.2.2")
-        graph.add_edge("1.2.2", "1.2.2.3")
-
-        result = list(graph.iterdfs("1"))
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-        result = list(graph.iterdfs("1", "1.2.1"))
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1'
-        ])
-
-        result = graph.forw_dfs("1")
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-        result = graph.forw_dfs("1", "1.2.1")
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1'
-        ])
-
-        graph = Graph()
-        graph.add_edge("1.1", "1")
-        graph.add_edge("1.2", "1")
-        graph.add_edge("1.3", "1")
-        graph.add_edge("1.1.1", "1.1")
-        graph.add_edge("1.1.2", "1.1")
-        graph.add_edge("1.2.1", "1.2")
-        graph.add_edge("1.2.2", "1.2")
-        graph.add_edge("1.2.2.1", "1.2.2")
-        graph.add_edge("1.2.2.2", "1.2.2")
-        graph.add_edge("1.2.2.3", "1.2.2")
-
-        result = list(graph.iterdfs("1", forward=False))
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-        result = list(graph.iterdfs("1", "1.2.1", forward=False))
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1'
-        ])
-        result = graph.back_dfs("1")
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-        result = graph.back_dfs("1", "1.2.1")
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1'
-        ])
-
-
-        # Introduce cyle:
-        graph.add_edge("1", "1.2")
-        result = list(graph.iterdfs("1", forward=False))
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-
-        result = graph.back_dfs("1")
-        self.assertEqual(result, [
-            '1', '1.3', '1.2', '1.2.2', '1.2.2.3', '1.2.2.2',
-            '1.2.2.1', '1.2.1', '1.1', '1.1.2', '1.1.1'
-        ])
-
-
-    def test_iterdata(self):
-        graph = Graph()
-        graph.add_node("1", "I")
-        graph.add_node("1.1", "I.I")
-        graph.add_node("1.2", "I.II")
-        graph.add_node("1.3", "I.III")
-        graph.add_node("1.1.1", "I.I.I")
-        graph.add_node("1.1.2", "I.I.II")
-        graph.add_node("1.2.1", "I.II.I")
-        graph.add_node("1.2.2", "I.II.II")
-        graph.add_node("1.2.2.1", "I.II.II.I")
-        graph.add_node("1.2.2.2", "I.II.II.II")
-        graph.add_node("1.2.2.3", "I.II.II.III")
-
-        graph.add_edge("1", "1.1")
-        graph.add_edge("1", "1.2")
-        graph.add_edge("1", "1.3")
-        graph.add_edge("1.1", "1.1.1")
-        graph.add_edge("1.1", "1.1.2")
-        graph.add_edge("1.2", "1.2.1")
-        graph.add_edge("1.2", "1.2.2")
-        graph.add_edge("1.2.2", "1.2.2.1")
-        graph.add_edge("1.2.2", "1.2.2.2")
-        graph.add_edge("1.2.2", "1.2.2.3")
-
-        result = list(graph.iterdata("1", forward=True))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II', 'I.II.II', 'I.II.II.III', 'I.II.II.II',
-            'I.II.II.I', 'I.II.I', 'I.I', 'I.I.II', 'I.I.I'
-        ])
-
-        result = list(graph.iterdata("1", end="1.2.1", forward=True))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II', 'I.II.II', 'I.II.II.III', 'I.II.II.II',
-            'I.II.II.I', 'I.II.I'
-        ])
-
-        result = list(graph.iterdata("1", condition=lambda n: len(n) < 6, forward=True))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II',
-            'I.I', 'I.I.I'
-        ])
-
-
-        # And the revese option:
-        graph = Graph()
-        graph.add_node("1", "I")
-        graph.add_node("1.1", "I.I")
-        graph.add_node("1.2", "I.II")
-        graph.add_node("1.3", "I.III")
-        graph.add_node("1.1.1", "I.I.I")
-        graph.add_node("1.1.2", "I.I.II")
-        graph.add_node("1.2.1", "I.II.I")
-        graph.add_node("1.2.2", "I.II.II")
-        graph.add_node("1.2.2.1", "I.II.II.I")
-        graph.add_node("1.2.2.2", "I.II.II.II")
-        graph.add_node("1.2.2.3", "I.II.II.III")
-
-        graph.add_edge("1.1", "1")
-        graph.add_edge("1.2", "1")
-        graph.add_edge("1.3", "1")
-        graph.add_edge("1.1.1", "1.1")
-        graph.add_edge("1.1.2", "1.1")
-        graph.add_edge("1.2.1", "1.2")
-        graph.add_edge("1.2.2", "1.2")
-        graph.add_edge("1.2.2.1", "1.2.2")
-        graph.add_edge("1.2.2.2", "1.2.2")
-        graph.add_edge("1.2.2.3", "1.2.2")
-
-        result = list(graph.iterdata("1", forward=False))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II', 'I.II.II', 'I.II.II.III', 'I.II.II.II',
-            'I.II.II.I', 'I.II.I', 'I.I', 'I.I.II', 'I.I.I'
-        ])
-
-        result = list(graph.iterdata("1", end="1.2.1", forward=False))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II', 'I.II.II', 'I.II.II.III', 'I.II.II.II',
-            'I.II.II.I', 'I.II.I'
-        ])
-
-        result = list(graph.iterdata("1", condition=lambda n: len(n) < 6, forward=False))
-        self.assertEqual(result, [
-            'I', 'I.III', 'I.II',
-            'I.I', 'I.I.I'
-        ])
-
-    def test_bfs(self):
-        graph = Graph()
-        graph.add_edge("1", "1.1")
-        graph.add_edge("1.1", "1.1.1")
-        graph.add_edge("1.1", "1.1.2")
-        graph.add_edge("1.1.2", "1.1.2.1")
-        graph.add_edge("1.1.2", "1.1.2.2")
-        graph.add_edge("1", "1.2")
-        graph.add_edge("1", "1.3")
-        graph.add_edge("1.2", "1.2.1")
-
-        self.assertEqual(graph.forw_bfs("1"),
-                ['1', '1.1', '1.2', '1.3', '1.1.1', '1.1.2', '1.2.1', '1.1.2.1', '1.1.2.2'])
-        self.assertEqual(graph.forw_bfs("1", "1.1.1"),
-                ['1', '1.1', '1.2', '1.3', '1.1.1'])
-
-
-        # And the "reverse" graph
-        graph = Graph()
-        graph.add_edge("1.1", "1")
-        graph.add_edge("1.1.1", "1.1")
-        graph.add_edge("1.1.2", "1.1")
-        graph.add_edge("1.1.2.1", "1.1.2")
-        graph.add_edge("1.1.2.2", "1.1.2")
-        graph.add_edge("1.2", "1")
-        graph.add_edge("1.3", "1")
-        graph.add_edge("1.2.1", "1.2")
-
-        self.assertEqual(graph.back_bfs("1"),
-                ['1', '1.1', '1.2', '1.3', '1.1.1', '1.1.2', '1.2.1', '1.1.2.1', '1.1.2.2'])
-        self.assertEqual(graph.back_bfs("1", "1.1.1"),
-                ['1', '1.1', '1.2', '1.3', '1.1.1'])
-
-
-
-        # check cycle handling
-        graph.add_edge("1", "1.2.1")
-        self.assertEqual(graph.back_bfs("1"),
-                ['1', '1.1', '1.2', '1.3', '1.1.1', '1.1.2', '1.2.1', '1.1.2.1', '1.1.2.2'])
-
-
-    def test_connected(self):
-        graph = Graph()
-        graph.add_node(1)
-        graph.add_node(2)
-        graph.add_node(3)
-        graph.add_node(4)
-
-        self.assertFalse(graph.connected())
-
-        graph.add_edge(1, 2)
-        graph.add_edge(3, 4)
-        self.assertFalse(graph.connected())
-
-        graph.add_edge(2, 3)
-        graph.add_edge(4, 1)
-        self.assertTrue(graph.connected())
-
-    def test_edges_complex(self):
-        g = Graph()
-        g.add_edge(1, 2)
-        e = g.edge_by_node(1,2)
-        g.hide_edge(e)
-        g.hide_node(2)
-        self.assertRaises(GraphError, g.restore_edge, e)
-
-        g.restore_all_edges()
-        self.assertRaises(GraphError, g.edge_by_id, e)
-
-    def test_clust_coef(self):
-        g = Graph()
-        g.add_edge(1, 2)
-        g.add_edge(1, 3)
-        g.add_edge(1, 4)
-        self.assertEqual(g.clust_coef(1), 0)
-
-        g.add_edge(2, 5)
-        g.add_edge(3, 5)
-        g.add_edge(4, 5)
-        self.assertEqual(g.clust_coef(1), 0)
-
-        g.add_edge(2, 3)
-        self.assertEqual(g.clust_coef(1), 1./6)
-        g.add_edge(2, 4)
-        self.assertEqual(g.clust_coef(1), 2./6)
-        g.add_edge(4, 2)
-        self.assertEqual(g.clust_coef(1), 3./6)
-
-        g.add_edge(2, 3)
-        g.add_edge(2, 4)
-        g.add_edge(3, 4)
-        g.add_edge(3, 2)
-        g.add_edge(4, 2)
-        g.add_edge(4, 3)
-        self.assertEqual(g.clust_coef(1), 1)
-
-
-    def test_get_hops(self):
-        graph = Graph()
-        graph.add_edge(1, 2)
-        graph.add_edge(1, 3)
-        graph.add_edge(2, 4)
-        graph.add_edge(4, 5)
-        graph.add_edge(5, 7)
-        graph.add_edge(7, 8)
-
-        self.assertEqual(graph.get_hops(1),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)])
-
-        self.assertEqual(graph.get_hops(1, 5),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3)])
-
-        graph.add_edge(5, 1)
-        graph.add_edge(7, 1)
-        graph.add_edge(7, 4)
-
-        self.assertEqual(graph.get_hops(1),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)])
-
-        # And the reverse graph
-        graph = Graph()
-        graph.add_edge(2, 1)
-        graph.add_edge(3, 1)
-        graph.add_edge(4, 2)
-        graph.add_edge(5, 4)
-        graph.add_edge(7, 5)
-        graph.add_edge(8, 7)
-
-        self.assertEqual(graph.get_hops(1, forward=False),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)])
-
-        self.assertEqual(graph.get_hops(1, 5, forward=False),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3)])
-
-        graph.add_edge(1, 5)
-        graph.add_edge(1, 7)
-        graph.add_edge(4, 7)
-
-        self.assertEqual(graph.get_hops(1, forward=False),
-            [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)])
-
-
-    def test_constructor(self):
-        graph = Graph(iter([
-                (1, 2),
-                (2, 3, 'a'),
-                (1, 3),
-                (3, 4),
-            ]))
-        self.assertEqual(graph.number_of_nodes(), 4)
-        self.assertEqual(graph.number_of_edges(), 4)
-        try:
-            graph.edge_by_node(1,2)
-            graph.edge_by_node(2,3)
-            graph.edge_by_node(1,3)
-            graph.edge_by_node(3,4)
-        except GraphError:
-            self.fail("Incorrect graph")
-
-        self.assertEqual(graph.edge_data(graph.edge_by_node(2, 3)), 'a')
-
-        self.assertRaises(GraphError, Graph, [(1,2,3,4)])
-
-if __name__ == "__main__": # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/altgraph_tests/test_graphstat.py b/python/altgraph/altgraph_tests/test_graphstat.py
deleted file mode 100644
index b628b6f24..000000000
--- a/python/altgraph/altgraph_tests/test_graphstat.py
+++ /dev/null
@@ -1,70 +0,0 @@
-import unittest
-
-from altgraph import GraphStat
-from altgraph import Graph
-import sys
-
-class TestDegreesDist (unittest.TestCase):
-
-    def test_simple(self):
-        a = Graph.Graph()
-        self.assertEqual(GraphStat.degree_dist(a), [])
-
-        a.add_node(1)
-        a.add_node(2)
-        a.add_node(3)
-
-        self.assertEqual(GraphStat.degree_dist(a), GraphStat._binning([0, 0, 0]))
-
-        for x in range(100):
-            a.add_node(x)
-
-        for x in range(1, 100):
-            for y in range(1, 50):
-                if x % y == 0:
-                    a.add_edge(x, y)
-
-        counts_inc = []
-        counts_out = []
-        for n in a:
-            counts_inc.append(a.inc_degree(n))
-            counts_out.append(a.out_degree(n))
-
-        self.assertEqual(GraphStat.degree_dist(a), GraphStat._binning(counts_out))
-        self.assertEqual(GraphStat.degree_dist(a, mode='inc'), GraphStat._binning(counts_inc))
-
-class TestBinning (unittest.TestCase):
-    def test_simple(self):
-
-        # Binning [0, 100) into 10 bins
-        a = list(range(100))
-        out = GraphStat._binning(a, limits=(0, 100), bin_num=10)
-
-        self.assertEqual(out,
-                [ (x*1.0, 10) for x in range(5, 100, 10) ])
-
-
-        # Check that outliers are ignored.
-        a = list(range(100))
-        out = GraphStat._binning(a, limits=(0, 90), bin_num=9)
-
-        self.assertEqual(out,
-                [ (x*1.0, 10) for x in range(5, 90, 10) ])
-
-
-        out = GraphStat._binning(a, limits=(0, 100), bin_num=15)
-        binSize = 100 / 15.0
-        result = [0]*15
-        for i in range(100):
-            bin = int(i/binSize)
-            try:
-                result[bin] += 1
-            except IndexError:
-                pass
-
-        result = [ (i * binSize + binSize/2, result[i]) for i in range(len(result))]
-
-        self.assertEqual(result, out)
-
-if __name__ == "__main__": # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/altgraph_tests/test_graphutil.py b/python/altgraph/altgraph_tests/test_graphutil.py
deleted file mode 100644
index c1166237c..000000000
--- a/python/altgraph/altgraph_tests/test_graphutil.py
+++ /dev/null
@@ -1,140 +0,0 @@
-import unittest
-from altgraph import GraphUtil
-from altgraph import Graph, GraphError
-
-class TestGraphUtil (unittest.TestCase):
-
-    def test_generate_random(self):
-        g =  GraphUtil.generate_random_graph(10, 50)
-        self.assertEqual(g.number_of_nodes(), 10)
-        self.assertEqual(g.number_of_edges(), 50)
-
-        seen = set()
-
-        for e in g.edge_list():
-            h, t = g.edge_by_id(e)
-            self.assertFalse(h == t)
-            self.assertTrue((h, t) not in seen)
-            seen.add((h, t))
-
-        g =  GraphUtil.generate_random_graph(5, 30, multi_edges=True)
-        self.assertEqual(g.number_of_nodes(), 5)
-        self.assertEqual(g.number_of_edges(), 30)
-
-        seen = set()
-
-        for e in g.edge_list():
-            h, t = g.edge_by_id(e)
-            self.assertFalse(h == t)
-            if (h, t) in seen:
-                break
-            seen.add((h, t))
-
-        else:
-            self.fail("no duplicates?")
-
-        g =  GraphUtil.generate_random_graph(5, 21, self_loops=True)
-        self.assertEqual(g.number_of_nodes(), 5)
-        self.assertEqual(g.number_of_edges(), 21)
-
-        seen = set()
-
-        for e in g.edge_list():
-            h, t = g.edge_by_id(e)
-            self.assertFalse((h, t) in seen)
-            if h == t:
-                break
-            seen.add((h, t))
-
-        else:
-            self.fail("no self loops?")
-
-        self.assertRaises(GraphError, GraphUtil.generate_random_graph, 5, 21)
-        g = GraphUtil.generate_random_graph(5, 21, True)
-        self.assertRaises(GraphError, GraphUtil.generate_random_graph, 5, 26, True)
-
-    def test_generate_scale_free(self):
-        graph = GraphUtil.generate_scale_free_graph(50, 10)
-        self.assertEqual(graph.number_of_nodes(), 500)
-
-        counts = {}
-        for node in graph:
-            degree = graph.inc_degree(node)
-            try:
-                counts[degree] += 1
-            except KeyError:
-                counts[degree] = 1
-
-        total_counts = sum(counts.values())
-        P = {}
-        for degree, count in counts.items():
-            P[degree] = count * 1.0 / total_counts
-
-        # XXX: use algoritm <http://stackoverflow.com/questions/3433486/how-to-do-exponential-and-logarithmic-curve-fitting-in-python-i-found-only-polyn>
-        # to check if P[degree] ~ degree ** G (for some G)
-
-        #print sorted(P.items())
-
-        #print sorted([(count, degree) for degree, count in counts.items()])
-
-        #self.fail("missing tests for GraphUtil.generate_scale_free_graph")
-
-    def test_filter_stack(self):
-        g = Graph.Graph()
-        g.add_node("1", "N.1")
-        g.add_node("1.1", "N.1.1")
-        g.add_node("1.1.1", "N.1.1.1")
-        g.add_node("1.1.2", "N.1.1.2")
-        g.add_node("1.1.3", "N.1.1.3")
-        g.add_node("1.1.1.1", "N.1.1.1.1")
-        g.add_node("1.1.1.2", "N.1.1.1.2")
-        g.add_node("1.1.2.1", "N.1.1.2.1")
-        g.add_node("1.1.2.2", "N.1.1.2.2")
-        g.add_node("1.1.2.3", "N.1.1.2.3")
-        g.add_node("2", "N.2")
-
-        g.add_edge("1", "1.1")
-        g.add_edge("1.1", "1.1.1")
-        g.add_edge("1.1", "1.1.2")
-        g.add_edge("1.1", "1.1.3")
-        g.add_edge("1.1.1", "1.1.1.1")
-        g.add_edge("1.1.1", "1.1.1.2")
-        g.add_edge("1.1.2", "1.1.2.1")
-        g.add_edge("1.1.2", "1.1.2.2")
-        g.add_edge("1.1.2", "1.1.2.3")
-
-        v, r, o =  GraphUtil.filter_stack(g, "1", [
-            lambda n: n != "N.1.1.1", lambda n: n != "N.1.1.2.3" ])
-
-        self.assertEqual(v,
-            set(["1", "1.1", "1.1.1", "1.1.2", "1.1.3",
-                "1.1.1.1", "1.1.1.2", "1.1.2.1", "1.1.2.2",
-                "1.1.2.3"]))
-        self.assertEqual(r, set([
-                "1.1.1", "1.1.2.3"]))
-
-        o.sort()
-        self.assertEqual(o,
-            [
-                ("1.1", "1.1.1.1"),
-                ("1.1", "1.1.1.2")
-            ])
-
-        v, r, o =  GraphUtil.filter_stack(g, "1", [
-            lambda n: n != "N.1.1.1", lambda n: n != "N.1.1.1.2" ])
-
-        self.assertEqual(v,
-            set(["1", "1.1", "1.1.1", "1.1.2", "1.1.3",
-                "1.1.1.1", "1.1.1.2", "1.1.2.1", "1.1.2.2",
-                "1.1.2.3"]))
-        self.assertEqual(r, set([
-                "1.1.1", "1.1.1.2"]))
-
-        self.assertEqual(o,
-            [
-                ("1.1", "1.1.1.1"),
-            ])
-
-
-if __name__ == "__main__": # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/altgraph_tests/test_object_graph.py b/python/altgraph/altgraph_tests/test_object_graph.py
deleted file mode 100644
index 9035607e7..000000000
--- a/python/altgraph/altgraph_tests/test_object_graph.py
+++ /dev/null
@@ -1,349 +0,0 @@
-import unittest
-import sys
-from altgraph.ObjectGraph import ObjectGraph
-from altgraph.Graph import Graph
-
-try:
-    from StringIO import StringIO
-except ImportError:
-    from io import StringIO
-
-
-class Node (object):
-    def __init__(self, graphident):
-        self.graphident = graphident
-
-class SubNode (Node):
-    pass
-
-class ArgNode (object):
-    def __init__(self, graphident, *args, **kwds):
-        self.graphident = graphident
-        self.args = args
-        self.kwds = kwds
-
-    def __repr__(self):
-        return '<ArgNode %s>'%(self.graphident,)
-
-class TestObjectGraph (unittest.TestCase):
-
-    def test_constructor(self):
-        graph = ObjectGraph()
-        self.assertTrue(isinstance(graph, ObjectGraph))
-
-        g = Graph()
-        graph = ObjectGraph(g)
-        self.assertTrue(graph.graph is g)
-        self.assertEqual(graph.debug, 0)
-        self.assertEqual(graph.indent, 0)
-
-        graph = ObjectGraph(debug=5)
-        self.assertEqual(graph.debug, 5)
-
-    def test_repr(self):
-        graph = ObjectGraph()
-        self.assertEqual(repr(graph), '<ObjectGraph>')
-
-
-    def testNodes(self):
-        graph = ObjectGraph()
-        n1 = Node("n1")
-        n2 = Node("n2")
-        n3 = Node("n3")
-        n4 = Node("n4")
-
-        n1b = Node("n1")
-
-        self.assertTrue(graph.getIdent(graph)  is graph)
-        self.assertTrue(graph.getRawIdent(graph)  is graph)
-
-        graph.addNode(n1)
-        graph.addNode(n2)
-        graph.addNode(n3)
-
-        self.assertTrue(n1 in graph)
-        self.assertFalse(n4 in graph)
-        self.assertTrue("n1" in graph)
-        self.assertFalse("n4" in graph)
-
-        self.assertTrue(graph.findNode(n1) is n1)
-        self.assertTrue(graph.findNode(n1b) is n1)
-        self.assertTrue(graph.findNode(n2) is n2)
-        self.assertTrue(graph.findNode(n4) is None)
-        self.assertTrue(graph.findNode("n1") is n1)
-        self.assertTrue(graph.findNode("n2") is n2)
-        self.assertTrue(graph.findNode("n4") is None)
-
-        self.assertEqual(graph.getRawIdent(n1), "n1")
-        self.assertEqual(graph.getRawIdent(n1b), "n1")
-        self.assertEqual(graph.getRawIdent(n4), "n4")
-        self.assertEqual(graph.getRawIdent("n1"), None)
-
-        self.assertEqual(graph.getIdent(n1), "n1")
-        self.assertEqual(graph.getIdent(n1b), "n1")
-        self.assertEqual(graph.getIdent(n4), "n4")
-        self.assertEqual(graph.getIdent("n1"), "n1")
-
-        self.assertTrue(n3 in graph)
-        graph.removeNode(n3)
-        self.assertTrue(n3 not in graph)
-        graph.addNode(n3)
-        self.assertTrue(n3 in graph)
-
-        n = graph.createNode(SubNode, "n1")
-        self.assertTrue(n is n1)
-
-        n = graph.createNode(SubNode, "n8")
-        self.assertTrue(isinstance(n, SubNode))
-        self.assertTrue(n in graph)
-        self.assertTrue(graph.findNode("n8") is n)
-
-        n = graph.createNode(ArgNode, "args", 1, 2, 3, a='a', b='b')
-        self.assertTrue(isinstance(n, ArgNode))
-        self.assertTrue(n in graph)
-        self.assertTrue(graph.findNode("args") is n)
-        self.assertEqual(n.args, (1, 2, 3))
-        self.assertEqual(n.kwds, {'a':'a', 'b':'b'})
-
-    def testEdges(self):
-        graph = ObjectGraph()
-        n1 = graph.createNode(ArgNode, "n1", 1)
-        n2 = graph.createNode(ArgNode, "n2", 1)
-        n3 = graph.createNode(ArgNode, "n3", 1)
-        n4 = graph.createNode(ArgNode, "n4", 1)
-
-        graph.createReference(n1, n2, "n1-n2")
-        graph.createReference("n1", "n3", "n1-n3")
-        graph.createReference("n2", n3)
-
-        g = graph.graph
-        e = g.edge_by_node("n1", "n2")
-        self.assertTrue(e is not None)
-        self.assertEqual(g.edge_data(e), "n1-n2")
-
-        e = g.edge_by_node("n1", "n3")
-        self.assertTrue(e is not None)
-        self.assertEqual(g.edge_data(e), "n1-n3")
-
-        e = g.edge_by_node("n2", "n3")
-        self.assertTrue(e is not None)
-        self.assertEqual(g.edge_data(e), None)
-
-        e = g.edge_by_node("n1", "n4")
-        self.assertTrue(e is None)
-
-        graph.removeReference(n1, n2)
-        e = g.edge_by_node("n1", "n2")
-        self.assertTrue(e is None)
-
-        graph.removeReference("n1", "n3")
-        e = g.edge_by_node("n1", "n3")
-        self.assertTrue(e is None)
-
-        graph.createReference(n1, n2, "foo")
-        e = g.edge_by_node("n1", "n2")
-        self.assertTrue(e is not None)
-        self.assertEqual(g.edge_data(e), "foo")
-
-
-    def test_flatten(self):
-        graph = ObjectGraph()
-        n1 = graph.createNode(ArgNode, "n1", 1)
-        n2 = graph.createNode(ArgNode, "n2", 2)
-        n3 = graph.createNode(ArgNode, "n3", 3)
-        n4 = graph.createNode(ArgNode, "n4", 4)
-        n5 = graph.createNode(ArgNode, "n5", 5)
-        n6 = graph.createNode(ArgNode, "n6", 6)
-        n7 = graph.createNode(ArgNode, "n7", 7)
-        n8 = graph.createNode(ArgNode, "n8", 8)
-
-        graph.createReference(graph, n1)
-        graph.createReference(graph, n7)
-        graph.createReference(n1, n2)
-        graph.createReference(n1, n4)
-        graph.createReference(n2, n3)
-        graph.createReference(n2, n5)
-        graph.createReference(n5, n6)
-        graph.createReference(n4, n6)
-        graph.createReference(n4, n2)
-
-        self.assertFalse(isinstance(graph.flatten(), list))
-
-        fl = list(graph.flatten())
-        self.assertTrue(n1 in fl)
-        self.assertTrue(n2 in fl)
-        self.assertTrue(n3 in fl)
-        self.assertTrue(n4 in fl)
-        self.assertTrue(n5 in fl)
-        self.assertTrue(n6 in fl)
-        self.assertTrue(n7 in fl)
-        self.assertFalse(n8 in fl)
-
-        fl = list(graph.flatten(start=n2))
-        self.assertFalse(n1 in fl)
-        self.assertTrue(n2 in fl)
-        self.assertTrue(n3 in fl)
-        self.assertFalse(n4 in fl)
-        self.assertTrue(n5 in fl)
-        self.assertTrue(n6 in fl)
-        self.assertFalse(n7 in fl)
-        self.assertFalse(n8 in fl)
-
-        graph.createReference(n1, n5)
-        fl = list(graph.flatten(lambda n: n.args[0] % 2 != 0))
-        self.assertTrue(n1 in fl)
-        self.assertFalse(n2 in fl)
-        self.assertFalse(n3 in fl)
-        self.assertFalse(n4 in fl)
-        self.assertTrue(n5 in fl)
-        self.assertFalse(n6 in fl)
-        self.assertTrue(n7 in fl)
-        self.assertFalse(n8 in fl)
-
-    def test_iter_nodes(self):
-        graph = ObjectGraph()
-        n1 = graph.createNode(ArgNode, "n1", 1)
-        n2 = graph.createNode(ArgNode, "n2", 2)
-        n3 = graph.createNode(ArgNode, "n3", 3)
-        n4 = graph.createNode(ArgNode, "n4", 4)
-        n5 = graph.createNode(ArgNode, "n5", 5)
-        n6 = graph.createNode(ArgNode, "n6", 5)
-
-        nodes = graph.nodes()
-        if sys.version[0] == '2':
-            self.assertTrue(hasattr(nodes, 'next'))
-        else:
-            self.assertTrue(hasattr(nodes, '__next__'))
-        self.assertTrue(hasattr(nodes, '__iter__'))
-
-        nodes = list(nodes)
-        self.assertEqual(len(nodes), 6)
-        self.assertTrue(n1 in nodes)
-        self.assertTrue(n2 in nodes)
-        self.assertTrue(n3 in nodes)
-        self.assertTrue(n4 in nodes)
-        self.assertTrue(n5 in nodes)
-        self.assertTrue(n6 in nodes)
-
-    def test_get_edges(self):
-        graph = ObjectGraph()
-        n1 = graph.createNode(ArgNode, "n1", 1)
-        n2 = graph.createNode(ArgNode, "n2", 2)
-        n3 = graph.createNode(ArgNode, "n3", 3)
-        n4 = graph.createNode(ArgNode, "n4", 4)
-        n5 = graph.createNode(ArgNode, "n5", 5)
-        n6 = graph.createNode(ArgNode, "n6", 5)
-
-        graph.createReference(n1, n2)
-        graph.createReference(n1, n3)
-        graph.createReference(n3, n1)
-        graph.createReference(n5, n1)
-        graph.createReference(n2, n4)
-        graph.createReference(n2, n5)
-        graph.createReference(n6, n2)
-
-        outs, ins = graph.get_edges(n1)
-
-        self.assertFalse(isinstance(outs, list))
-        self.assertFalse(isinstance(ins, list))
-
-        ins = list(ins)
-        outs = list(outs)
-
-
-        self.assertTrue(n1 not in outs)
-        self.assertTrue(n2 in outs)
-        self.assertTrue(n3 in outs)
-        self.assertTrue(n4 not in outs)
-        self.assertTrue(n5 not in outs)
-        self.assertTrue(n6 not in outs)
-
-        self.assertTrue(n1 not in ins)
-        self.assertTrue(n2 not in ins)
-        self.assertTrue(n3 in ins)
-        self.assertTrue(n4 not in ins)
-        self.assertTrue(n5 in ins)
-        self.assertTrue(n6 not in ins)
-
-    def test_filterStack(self):
-        graph = ObjectGraph()
-        n1 = graph.createNode(ArgNode, "n1", 0)
-        n11 = graph.createNode(ArgNode, "n1.1", 1)
-        n12 = graph.createNode(ArgNode, "n1.2", 0)
-        n111 = graph.createNode(ArgNode, "n1.1.1", 0)
-        n112 = graph.createNode(ArgNode, "n1.1.2",2)
-        n2 = graph.createNode(ArgNode, "n2", 0)
-        n3 = graph.createNode(ArgNode, "n2", 0)
-
-        graph.createReference(None, n1)
-        graph.createReference(None, n2)
-        graph.createReference(n1, n11)
-        graph.createReference(n1, n12)
-        graph.createReference(n11, n111)
-        graph.createReference(n11, n112)
-
-        self.assertTrue(n1 in graph)
-        self.assertTrue(n2 in graph)
-        self.assertTrue(n11 in graph)
-        self.assertTrue(n12 in graph)
-        self.assertTrue(n111 in graph)
-        self.assertTrue(n112 in graph)
-        self.assertTrue(n2 in graph)
-        self.assertTrue(n3 in graph)
-
-        visited, removes, orphans = graph.filterStack(
-                [lambda n: n.args[0] != 1, lambda n: n.args[0] != 2])
-
-        self.assertEqual(visited, 6)
-        self.assertEqual(removes, 2)
-        self.assertEqual(orphans, 1)
-
-        e = graph.graph.edge_by_node(n1.graphident, n111.graphident)
-        self.assertEqual(graph.graph.edge_data(e), "orphan")
-
-        self.assertTrue(n1 in graph)
-        self.assertTrue(n2 in graph)
-        self.assertTrue(n11 not in graph)
-        self.assertTrue(n12 in graph)
-        self.assertTrue(n111 in graph)
-        self.assertTrue(n112 not in graph)
-        self.assertTrue(n2 in graph)
-        self.assertTrue(n3 in graph)
-
-
-class TestObjectGraphIO (unittest.TestCase):
-    def setUp(self):
-        self._stdout = sys.stdout
-
-    def tearDown(self):
-        sys.stdout = self._stdout
-
-    def test_msg(self):
-        graph = ObjectGraph()
-
-        sys.stdout = fp = StringIO()
-        graph.msg(0, "foo")
-        self.assertEqual(fp.getvalue(), "foo \n")
-
-        sys.stdout = fp = StringIO()
-        graph.msg(5, "foo")
-        self.assertEqual(fp.getvalue(), "")
-
-        sys.stdout = fp = StringIO()
-        graph.debug = 10
-        graph.msg(5, "foo")
-        self.assertEqual(fp.getvalue(), "foo \n")
-
-        sys.stdout = fp = StringIO()
-        graph.msg(0, "foo", 1, "a")
-        self.assertEqual(fp.getvalue(), "foo 1 'a'\n")
-
-        sys.stdout = fp = StringIO()
-        graph.msgin(0, "hello", "world")
-        graph.msg(0, "test me")
-        graph.msgout(0, "bye bye")
-        self.assertEqual(fp.getvalue(), "hello 'world'\n  test me \nbye bye \n")
-
-
-if __name__ == "__main__": # pragma: no cover
-    unittest.main()
diff --git a/python/altgraph/doc/Makefile b/python/altgraph/doc/Makefile
deleted file mode 100644
index b91ac8142..000000000
--- a/python/altgraph/doc/Makefile
+++ /dev/null
@@ -1,89 +0,0 @@
-# Makefile for Sphinx documentation
-#
-
-# You can set these variables from the command line.
-SPHINXOPTS    =
-SPHINXBUILD   = sphinx-build
-PAPER         =
-BUILDDIR      = _build
-
-# Internal variables.
-PAPEROPT_a4     = -D latex_paper_size=a4
-PAPEROPT_letter = -D latex_paper_size=letter
-ALLSPHINXOPTS   = -d $(BUILDDIR)/doctrees $(PAPEROPT_$(PAPER)) $(SPHINXOPTS) .
-
-.PHONY: help clean html dirhtml pickle json htmlhelp qthelp latex changes linkcheck doctest
-
-help:
-	@echo "Please use \`make <target>' where <target> is one of"
-	@echo "  html      to make standalone HTML files"
-	@echo "  dirhtml   to make HTML files named index.html in directories"
-	@echo "  pickle    to make pickle files"
-	@echo "  json      to make JSON files"
-	@echo "  htmlhelp  to make HTML files and a HTML help project"
-	@echo "  qthelp    to make HTML files and a qthelp project"
-	@echo "  latex     to make LaTeX files, you can set PAPER=a4 or PAPER=letter"
-	@echo "  changes   to make an overview of all changed/added/deprecated items"
-	@echo "  linkcheck to check all external links for integrity"
-	@echo "  doctest   to run all doctests embedded in the documentation (if enabled)"
-
-clean:
-	-rm -rf $(BUILDDIR)/*
-
-html:
-	$(SPHINXBUILD) -b html $(ALLSPHINXOPTS) $(BUILDDIR)/html
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/html."
-
-dirhtml:
-	$(SPHINXBUILD) -b dirhtml $(ALLSPHINXOPTS) $(BUILDDIR)/dirhtml
-	@echo
-	@echo "Build finished. The HTML pages are in $(BUILDDIR)/dirhtml."
-
-pickle:
-	$(SPHINXBUILD) -b pickle $(ALLSPHINXOPTS) $(BUILDDIR)/pickle
-	@echo
-	@echo "Build finished; now you can process the pickle files."
-
-json:
-	$(SPHINXBUILD) -b json $(ALLSPHINXOPTS) $(BUILDDIR)/json
-	@echo
-	@echo "Build finished; now you can process the JSON files."
-
-htmlhelp:
-	$(SPHINXBUILD) -b htmlhelp $(ALLSPHINXOPTS) $(BUILDDIR)/htmlhelp
-	@echo
-	@echo "Build finished; now you can run HTML Help Workshop with the" \
-	      ".hhp project file in $(BUILDDIR)/htmlhelp."
-
-qthelp:
-	$(SPHINXBUILD) -b qthelp $(ALLSPHINXOPTS) $(BUILDDIR)/qthelp
-	@echo
-	@echo "Build finished; now you can run "qcollectiongenerator" with the" \
-	      ".qhcp project file in $(BUILDDIR)/qthelp, like this:"
-	@echo "# qcollectiongenerator $(BUILDDIR)/qthelp/altgraph.qhcp"
-	@echo "To view the help file:"
-	@echo "# assistant -collectionFile $(BUILDDIR)/qthelp/altgraph.qhc"
-
-latex:
-	$(SPHINXBUILD) -b latex $(ALLSPHINXOPTS) $(BUILDDIR)/latex
-	@echo
-	@echo "Build finished; the LaTeX files are in $(BUILDDIR)/latex."
-	@echo "Run \`make all-pdf' or \`make all-ps' in that directory to" \
-	      "run these through (pdf)latex."
-
-changes:
-	$(SPHINXBUILD) -b changes $(ALLSPHINXOPTS) $(BUILDDIR)/changes
-	@echo
-	@echo "The overview file is in $(BUILDDIR)/changes."
-
-linkcheck:
-	$(SPHINXBUILD) -b linkcheck $(ALLSPHINXOPTS) $(BUILDDIR)/linkcheck
-	@echo
-	@echo "Link check complete; look for any errors in the above output " \
-	      "or in $(BUILDDIR)/linkcheck/output.txt."
-
-doctest:
-	$(SPHINXBUILD) -b doctest $(ALLSPHINXOPTS) $(BUILDDIR)/doctest
-	@echo "Testing of doctests in the sources finished, look at the " \
-	      "results in $(BUILDDIR)/doctest/output.txt."
diff --git a/python/altgraph/doc/_build/doctrees/changelog.doctree b/python/altgraph/doc/_build/doctrees/changelog.doctree
deleted file mode 100644
index b78e2f235..000000000
--- a/python/altgraph/doc/_build/doctrees/changelog.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/core.doctree b/python/altgraph/doc/_build/doctrees/core.doctree
deleted file mode 100644
index 367409313..000000000
--- a/python/altgraph/doc/_build/doctrees/core.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/dot.doctree b/python/altgraph/doc/_build/doctrees/dot.doctree
deleted file mode 100644
index f2bd9ea89..000000000
--- a/python/altgraph/doc/_build/doctrees/dot.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/environment.pickle b/python/altgraph/doc/_build/doctrees/environment.pickle
deleted file mode 100644
index 4e7b4ea03..000000000
--- a/python/altgraph/doc/_build/doctrees/environment.pickle
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/graph.doctree b/python/altgraph/doc/_build/doctrees/graph.doctree
deleted file mode 100644
index 5c9aef42c..000000000
--- a/python/altgraph/doc/_build/doctrees/graph.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/graphalgo.doctree b/python/altgraph/doc/_build/doctrees/graphalgo.doctree
deleted file mode 100644
index e22ca572d..000000000
--- a/python/altgraph/doc/_build/doctrees/graphalgo.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/graphstat.doctree b/python/altgraph/doc/_build/doctrees/graphstat.doctree
deleted file mode 100644
index 2e0503615..000000000
--- a/python/altgraph/doc/_build/doctrees/graphstat.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/graphutil.doctree b/python/altgraph/doc/_build/doctrees/graphutil.doctree
deleted file mode 100644
index eb9fa2c65..000000000
--- a/python/altgraph/doc/_build/doctrees/graphutil.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/index.doctree b/python/altgraph/doc/_build/doctrees/index.doctree
deleted file mode 100644
index f3241e5e3..000000000
--- a/python/altgraph/doc/_build/doctrees/index.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/license.doctree b/python/altgraph/doc/_build/doctrees/license.doctree
deleted file mode 100644
index ba3ce378a..000000000
--- a/python/altgraph/doc/_build/doctrees/license.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/doctrees/objectgraph.doctree b/python/altgraph/doc/_build/doctrees/objectgraph.doctree
deleted file mode 100644
index 802396b9c..000000000
--- a/python/altgraph/doc/_build/doctrees/objectgraph.doctree
+++ /dev/null
diff --git a/python/altgraph/doc/_build/html/.buildinfo b/python/altgraph/doc/_build/html/.buildinfo
deleted file mode 100644
index 003a04976..000000000
--- a/python/altgraph/doc/_build/html/.buildinfo
+++ /dev/null
@@ -1,4 +0,0 @@
-# Sphinx build info version 1
-# This file hashes the configuration used when building these files. When it is not found, a full rebuild will be done.
-config: 84aa655833f036f5ba0f6f2dbd1945fa
-tags: 645f666f9bcd5a90fca523b33c5a78b7
diff --git a/python/altgraph/doc/_build/html/_sources/changelog.txt b/python/altgraph/doc/_build/html/_sources/changelog.txt
deleted file mode 100644
index e491c9544..000000000
--- a/python/altgraph/doc/_build/html/_sources/changelog.txt
+++ /dev/null
@@ -1,176 +0,0 @@
-Release history
-===============
-
-0.11
-----
-
-- Stabilize the order of elements in dot file exports,
-  patch from bitbucket user 'pombredanne'.
-
-- Tweak setup.py file to remove dependency on distribute (but
-  keep the dependency on setuptools)
-
-
-0.10.2
-------
-
-- There where no classifiers in the package metadata due to a bug
-  in setup.py
-
-0.10.1
-------
-
-This is a bugfix release
-
-Bug fixes:
-
-- Issue #3: The source archive contains a README.txt
-  while the setup file refers to ReadMe.txt.
-
-  This is caused by a misfeature in distutils, as a
-  workaround I've renamed ReadMe.txt to README.txt
-  in the source tree and setup file.
-
-
-0.10
------
-
-This is a minor feature release
-
-Features:
-
-- Do not use "2to3" to support Python 3.
-
-  As a side effect of this altgraph now supports
-  Python 2.6 and later, and no longer supports
-  earlier releases of Python.
-
-- The order of attributes in the Dot output
-  is now always alphabetical.
-
-  With this change the output will be consistent
-  between runs and Python versions.
-
-0.9
----
-
-This is a minor bugfix release
-
-Features:
-
-- Added ``altgraph.ObjectGraph.ObjectGraph.nodes``, a method
-  yielding all nodes in an object graph.
-
-Bugfixes:
-
-- The 0.8 release didn't work with py2app when using
-  python 3.x.
-
-
-0.8
------
-
-This is a minor feature release. The major new feature
-is a extensive set of unittests, which explains almost
-all other changes in this release.
-
-Bugfixes:
-
-- Installing failed with Python 2.5 due to using a distutils
-  class that isn't available in that version of Python
-  (issue #1 on the issue tracker)
-
-- ``altgraph.GraphStat.degree_dist`` now actually works
-
-- ``altgraph.Graph.add_edge(a, b, create_nodes=False)`` will
-  no longer create the edge when one of the nodes doesn't
-  exist.
-
-- ``altgraph.Graph.forw_topo_sort`` failed for some sparse graphs.
-
-- ``altgraph.Graph.back_topo_sort`` was completely broken in
-  previous releases.
-
-- ``altgraph.Graph.forw_bfs_subgraph`` now actually works.
-
-- ``altgraph.Graph.back_bfs_subgraph`` now actually works.
-
-- ``altgraph.Graph.iterdfs`` now returns the correct result
-  when the ``forward`` argument is ``False``.
-
-- ``altgraph.Graph.iterdata`` now returns the correct result
-  when the ``forward`` argument is ``False``.
-
-
-Features:
-
-- The ``altgraph.Graph`` constructor now accepts an argument
-  that contains 2- and 3-tuples instead of requireing that
-  all items have the same size. The (optional) argument can now
-  also be any iterator.
-
-- ``altgraph.Graph.Graph.add_node`` has no effect when you
-  add a hidden node.
-
-- The private method ``altgraph.Graph._bfs`` is no longer
-  present.
-
-- The private method ``altgraph.Graph._dfs`` is no longer
-  present.
-
-- ``altgraph.ObjectGraph`` now has a ``__contains__`` methods,
-  which means you can use the ``in`` operator to check if a
-  node is part of a graph.
-
-- ``altgraph.GraphUtil.generate_random_graph`` will raise
-  ``GraphError`` instead of looping forever when it is
-  impossible to create the requested graph.
-
-- ``altgraph.Dot.edge_style`` raises ``GraphError`` when
-  one of the nodes is not present in the graph. The method
-  silently added the tail in the past, but without ensuring
-  a consistent graph state.
-
-- ``altgraph.Dot.save_img`` now works when the mode is
-  ``"neato"``.
-
-0.7.2
------
-
-This is a minor bugfix release
-
-Bugfixes:
-
-- distutils didn't include the documentation subtree
-
-0.7.1
------
-
-This is a minor feature release
-
-Features:
-
-- Documentation is now generated using `sphinx <http://pypi.python.org/pypi/sphinx>`_
-  and can be viewed at <http://packages.python.org/altgraph>.
-
-- The repository has moved to bitbucket
-
-- ``altgraph.GraphStat.avg_hops`` is no longer present, the function had no
-  implementation and no specified behaviour.
-
-- the module ``altgraph.compat`` is gone, which means altgraph will no
-  longer work with Python 2.3.
-
-
-0.7.0
------
-
-This is a minor feature release.
-
-Features:
-
-- Support for Python 3
-
-- It is now possible to run tests using 'python setup.py test'
-
-  (The actual testsuite is still very minimal though)
diff --git a/python/altgraph/doc/_build/html/_sources/core.txt b/python/altgraph/doc/_build/html/_sources/core.txt
deleted file mode 100644
index 8288f6a94..000000000
--- a/python/altgraph/doc/_build/html/_sources/core.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-:mod:`altgraph` --- A Python Graph Library
-==================================================
-
-.. module:: altgraph
-   :synopsis: A directional graph for python
-
-altgraph is a fork of `graphlib <http://pygraphlib.sourceforge.net>`_ tailored
-to use newer Python 2.3+ features, including additional support used by the
-py2app suite (modulegraph and macholib, specifically).
-
-altgraph is a python based graph (network) representation and manipulation package.
-It has started out as an extension to the `graph_lib module <http://www.ece.arizona.edu/~denny/python_nest/graph_lib_1.0.1.html>`_
-written by Nathan Denny it has been significantly optimized and expanded.
-
-The :class:`altgraph.Graph.Graph` class is loosely modeled after the `LEDA <http://www.algorithmic-solutions.com/enleda.htm>`_ 
-(Library of Efficient Datatypes)  representation. The library
-includes methods for constructing graphs, BFS and DFS traversals,
-topological sort, finding connected components, shortest paths as well as a number
-graph statistics functions. The library can also visualize graphs
-via `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_.
-
-
-.. exception:: GraphError
-
-   Exception raised when methods are called with bad values of
-   an inconsistent state.
diff --git a/python/altgraph/doc/_build/html/_sources/dot.txt b/python/altgraph/doc/_build/html/_sources/dot.txt
deleted file mode 100644
index 3848c488a..000000000
--- a/python/altgraph/doc/_build/html/_sources/dot.txt
+++ /dev/null
@@ -1,224 +0,0 @@
-:mod:`altgraph.Dot` --- Interface to the dot language
-=====================================================
-
-.. module:: altgraph.Dot
-   :synopsis: Interface to the dot language as used by Graphviz..
-
-The :py:mod:`~altgraph.Dot` module provides a simple interface to the
-file format used in the `graphviz`_ program. The module is intended to 
-offload the most tedious part of the process (the **dot** file generation) 
-while transparently exposing most of its features.
-
-.. _`graphviz`: <http://www.research.att.com/sw/tools/graphviz/>`_
-
-To display the graphs or to generate image files the `graphviz`_
-package needs to be installed on the system, moreover the :command:`dot` and :command:`dotty` programs must
-be accesible in the program path so that they can be ran from processes spawned
-within the module. 
-
-Example usage
--------------
-
-Here is a typical usage::
-
-    from altgraph import Graph, Dot
-
-    # create a graph
-    edges = [ (1,2), (1,3), (3,4), (3,5), (4,5), (5,4) ]
-    graph = Graph.Graph(edges)
-    
-    # create a dot representation of the graph
-    dot = Dot.Dot(graph)
-
-    # display the graph
-    dot.display()
-
-    # save the dot representation into the mydot.dot file
-    dot.save_dot(file_name='mydot.dot')
-
-    # save dot file as gif image into the graph.gif file
-    dot.save_img(file_name='graph', file_type='gif')
-
-
-Directed graph and non-directed graph
--------------------------------------
-
-Dot class can use for both directed graph and non-directed graph
-by passing *graphtype* parameter.
-
-Example::
-
-    # create directed graph(default)
-    dot = Dot.Dot(graph, graphtype="digraph")
-
-    # create non-directed graph
-    dot = Dot.Dot(graph, graphtype="graph")
-
-
-Customizing the output
-----------------------
-
-The graph drawing process may be customized by passing
-valid :command:`dot` parameters for the nodes and edges. For a list of all
-parameters see the `graphviz`_ documentation.
-
-Example::
-
-    # customizing the way the overall graph is drawn
-    dot.style(size='10,10', rankdir='RL', page='5, 5' , ranksep=0.75)
-
-    # customizing node drawing
-    dot.node_style(1, label='BASE_NODE',shape='box', color='blue' )
-    dot.node_style(2, style='filled', fillcolor='red')
-
-    # customizing edge drawing
-    dot.edge_style(1, 2, style='dotted')
-    dot.edge_style(3, 5, arrowhead='dot', label='binds', labelangle='90')
-    dot.edge_style(4, 5, arrowsize=2, style='bold')
-
-
-    .. note:: 
-       
-       dotty (invoked via :py:func:`~altgraph.Dot.display`) may not be able to
-       display all graphics styles. To verify the output save it to an image 
-       file and look at it that way.
-
-Valid attributes
-----------------
-
-- dot styles, passed via the :py:meth:`Dot.style` method::
-
-    rankdir = 'LR'   (draws the graph horizontally, left to right)
-    ranksep = number (rank separation in inches)
-
-- node attributes, passed via the :py:meth:`Dot.node_style` method::
-
-     style = 'filled' | 'invisible' | 'diagonals' | 'rounded'
-     shape = 'box' | 'ellipse' | 'circle' | 'point' | 'triangle'
-
-- edge attributes, passed via the :py:meth:`Dot.edge_style` method::
-
-     style     = 'dashed' | 'dotted' | 'solid' | 'invis' | 'bold'
-     arrowhead = 'box' | 'crow' | 'diamond' | 'dot' | 'inv' | 'none' | 'tee' | 'vee'
-     weight    = number (the larger the number the closer the nodes will be)
-
-- valid `graphviz colors <http://www.research.att.com/~erg/graphviz/info/colors.html>`_
-
-- for more details on how to control the graph drawing process see the 
-  `graphviz reference <http://www.research.att.com/sw/tools/graphviz/refs.html>`_.
-
-
-Class interface
----------------
-
-.. class:: Dot(graph[, nodes[, edgefn[, nodevisitor[, edgevisitor[, name[, dot[, dotty[, neato[, graphtype]]]]]]]]])
-
-  Creates a new Dot generator based on the specified 
-  :class:`Graph <altgraph.Graph.Graph>`.  The Dot generator won't reference
-  the *graph* once it is constructed.
-
-  If the *nodes* argument is present it is the list of nodes to include
-  in the graph, otherwise all nodes in *graph* are included.
-  
-  If the *edgefn* argument is present it is a function that yields the
-  nodes connected to another node, this defaults to 
-  :meth:`graph.out_nbr <altgraph.Graph.Graph.out_nbr>`. The constructor won't
-  add edges to the dot file unless both the head and tail of the edge
-  are in *nodes*.
-
-  If the *name* is present it specifies the name of the graph in the resulting
-  dot file. The default is ``"G"``.
-
-  The functions *nodevisitor* and *edgevisitor* return the default style
-  for a given edge or node (both default to functions that return an empty
-  style).
-
-  The arguments *dot*, *dotty* and *neato* are used to pass the path to 
-  the corresponding `graphviz`_ command.
-
-
-Updating graph attributes
-.........................
-
-.. method:: Dot.style(\**attr)
-
-   Sets the overall style (graph attributes) to the given attributes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.node_style(node, \**attr)
-
-   Sets the style for *node* to the given attributes.
-
-   This method will add *node* to the graph when it isn't already 
-   present.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.all_node_style(\**attr)
-
-   Replaces the current style for all nodes
-
-
-.. method:: edge_style(head, tail, \**attr)
-
-   Sets the style of an edge to the given attributes. The edge will
-   be added to the graph when it isn't already present, but *head*
-   and *tail* must both be valid nodes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-
-
-Emitting output
-...............
-
-.. method:: Dot.display([mode])
-
-   Displays the current graph via dotty.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   This method won't return until the dotty command exits.
-
-.. method:: save_dot(filename)
-
-   Saves the current graph representation into the given file.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       into a fixed filename (present in the attribute :data:`Graph.temp_dot`).
-
-       This feature is deprecated and should not be used.
-
-
-.. method:: save_image(file_name[, file_type[, mode]])
-
-   Saves the current graph representation as an image file. The output
-   is written into a file whose basename is *file_name* and whose suffix
-   is *file_type*.
-
-   The *file_type* specifies the type of file to write, the default
-   is ``"gif"``.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       with a fixed basename (``"out"``).
-
-       This feature is deprecated and should not be used.
-
-.. method:: iterdot()
-
-   Yields all lines of a `graphviz`_ input file (including line endings).
-
-.. method:: __iter__()
-
-   Alias for the :meth:`iterdot` method.
diff --git a/python/altgraph/doc/_build/html/_sources/graph.txt b/python/altgraph/doc/_build/html/_sources/graph.txt
deleted file mode 100644
index 72e36bbc1..000000000
--- a/python/altgraph/doc/_build/html/_sources/graph.txt
+++ /dev/null
@@ -1,299 +0,0 @@
-:mod:`altgraph.Graph` --- Basic directional graphs
-==================================================
-
-.. module:: altgraph.Graph
-   :synopsis: Basic directional graphs.
-
-The module :mod:`altgraph.Graph` provides a class :class:`Graph` that
-represents a directed graph with *N* nodes and *E* edges.
-
-.. class:: Graph([edges])
-
-  Constructs a new empty :class:`Graph` object. If the optional
-  *edges* parameter is supplied, updates the graph by adding the
-  specified edges. 
-  
-  All of the elements in *edges* should be tuples with two or three 
-  elements. The first two elements of the tuple are the source and
-  destination node of the edge, the optional third element is the
-  edge data.  The source and destination nodes are added to the graph
-  when the aren't already present.
-
-
-Node related methods
---------------------
-
-.. method:: Graph.add_node(node[, node_data])
-
-   Adds a new node to the graph if it is not already present. The new
-   node must be a hashable object.
-
-   Arbitrary data can be attached to the node via the optional *node_data*
-   argument.
-
-   .. note:: the node also won't be added to the graph when it is
-      present but currently hidden.
-
-
-.. method:: Graph.hide_node(node)
-
-   Hides a *node* from the graph. The incoming and outgoing edges of
-   the node will also be hidden. 
-
-   Raises :class:`altgraph.GraphError` when the node is not (visible)
-   node of the graph.
-
-
-.. method:: Graph.restore_node(node)
-
-   Restores a previously hidden *node*. The incoming and outgoing
-   edges of the node are also restored.
-
-   Raises :class:`altgraph.GraphError` when the node is not a hidden
-   node of the graph.
-
-.. method:: Graph.restore_all_nodes()
-
-   Restores all hidden nodes.
-
-.. method:: Graph.number_of_nodes()
-
-   Return the number of visible nodes in the graph.
-
-.. method:: Graph.number_of_hidden_nodes()
-
-   Return the number of hidden nodes in the graph.
-
-.. method:: Graph.node_list()
-
-   Return a list with all visible nodes in the graph.
-
-.. method:: Graph.hidden_node_list()
-
-   Return a list with all hidden nodes in the graph.
-
-.. method:: node_data(node)
-
-   Return the data associated with the *node* when it was
-   added.
-
-.. method:: Graph.describe_node(node)
-
-   Returns *node*, the node's data and the lists of outgoing
-   and incoming edges for the node.
-
-   .. note:: 
-   
-      the edge lists should not be modified, doing so
-      can result in unpredicatable behavior.
-
-.. method:: Graph.__contains__(node)
-
-   Returns True iff *node* is a node in the graph. This
-   method is accessed through the *in* operator.
-
-.. method:: Graph.__iter__()
-
-   Yield all nodes in the graph.
-
-.. method:: Graph.out_edges(node)
-
-   Return the list of outgoing edges for *node*
-
-.. method:: Graph.inc_edges(node)
-
-   Return the list of incoming edges for *node*
-
-.. method:: Graph.all_edges(node)
-
-   Return the list of incoming and outgoing edges for *node*
-
-.. method:: Graph.out_degree(node)
-
-   Return the number of outgoing edges for *node*.
-
-.. method:: Graph.inc_degree(node)
-
-   Return the number of incoming edges for *node*.
-
-.. method:: Graph.all_degree(node)
-
-   Return the number of edges (incoming or outgoing) for *node*.
-
-Edge related methods
---------------------
-
-.. method:: Graph.add_edge(head_id, tail_id [, edge data [, create_nodes]])
-
-   Adds a directed edge from *head_id* to *tail_id*. Arbitrary data can
-   be added via *edge_data*.  When *create_nodes* is *True* (the default),
-   *head_id* and *tail_id* will be added to the graph when the aren't 
-   already present.
-
-.. method:: Graph.hide_edge(edge)
-
-   Hides an edge from the graph. The edge may be unhidden at some later 
-   time.
-
-.. method:: Graph.restore_edge(edge)
-
-   Restores a previously hidden *edge*.
-
-.. method:: Graph.restore_all_edges()
-
-   Restore all edges that were hidden before, except for edges
-   referring to hidden nodes.
-
-.. method:: Graph.edge_by_node(head, tail)
-
-   Return the edge ID for an edge from *head* to *tail*,
-   or :data:`None` when no such edge exists.
-
-.. method:: Graph.edge_by_id(edge)
-
-   Return the head and tail of the *edge*
-
-.. method:: Graph.edge_data(edge)
-
-   Return the data associated with the *edge*.
-
-
-.. method:: Graph.head(edge)
-
-   Return the head of an *edge*
-
-.. method:: Graph.tail(edge)
-
-   Return the tail of an *edge*
-
-.. method:: Graph.describe_edge(edge)
-
-   Return the *edge*, the associated data, its head and tail.
-
-.. method:: Graph.number_of_edges()
-
-   Return the number of visible edges.
-
-.. method:: Graph.number_of_hidden_edges()
-
-   Return the number of hidden edges.
-
-.. method:: Graph.edge_list()
-
-   Returns a list with all visible edges in the graph.
-
-.. method:: Graph.hidden_edge_list()
-
-   Returns a list with all hidden edges in the graph.
-
-Graph traversal
----------------
-
-.. method:: Graph.out_nbrs(node)
-
-   Return a list of all nodes connected by outgoing edges.
-
-.. method:: Graph.inc_nbrs(node)
-
-   Return a list of all nodes connected by incoming edges.
-
-.. method:: Graph.all_nbrs(node)
-
-   Returns a list of nodes connected by an incoming or outgoing edge.
-
-.. method:: Graph.forw_topo_sort()
-
-   Return a list of nodes where the successors (based on outgoing
-   edges) of any given node apear in the sequence after that node.
-
-.. method:: Graph.back_topo_sort()
-
-   Return a list of nodes where the successors (based on incoming
-   edges) of any given node apear in the sequence after that node.
-
-.. method:: Graph.forw_bfs_subgraph(start_id)
-
-   Return a subgraph consisting of the breadth first
-   reachable nodes from *start_id* based on their outgoing edges.
-
-
-.. method:: Graph.back_bfs_subgraph(start_id)
-
-   Return a subgraph consisting of the breadth first
-   reachable nodes from *start_id* based on their incoming edges.
-
-.. method:: Graph.iterdfs(start[, end[, forward]])
-
-   Yield nodes in a depth first traversal starting at the *start*
-   node. 
-   
-   If *end* is specified traversal stops when reaching that node.
-
-   If forward is True (the default) edges are traversed in forward
-   direction, otherwise they are traversed in reverse direction.
-
-.. method:: Graph.iterdata(start[, end[, forward[, condition]]])
-
-   Yield the associated data for nodes in a depth first traversal
-   starting at the *start* node. This method will not yield values for nodes
-   without associated data.
-
-   If *end* is specified traversal stops when reaching that node.
-
-   If *condition* is specified and the condition callable returns
-   False for the associated data this method will not yield the
-   associated data and will not follow the edges for the node.
-
-   If forward is True (the default) edges are traversed in forward
-   direction, otherwise they are traversed in reverse direction.
-
-.. method:: Graph.forw_bfs(start[, end])
-
-   Returns a list of nodes starting at *start* in some bread first
-   search order (following outgoing edges).
-
-   When *end* is specified iteration stops at that node.
-
-.. method:: Graph.back_bfs(start[, end])
-
-   Returns a list of nodes starting at *start* in some bread first
-   search order (following incoming edges).
-
-   When *end* is specified iteration stops at that node.
-
-.. method:: Graph.get_hops(start[, end[, forward]])
-
-   Computes the hop distance to all nodes centered around a specified node.
-
-   First order neighbours are at hop 1, their neigbours are at hop 2 etc.
-   Uses :py:meth:`forw_bfs` or :py:meth:`back_bfs` depending on the value of 
-   the forward parameter.  
-   
-   If the distance between all neighbouring nodes is 1 the hop number 
-   corresponds to the shortest distance between the nodes.  
-
-   Typical usage::
-
-        >>> print graph.get_hops(1, 8)
-        >>> [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)]
-        # node 1 is at 0 hops
-        # node 2 is at 1 hop
-        # ...
-        # node 8 is at 5 hops
-
-
-Graph statistics
-----------------
-
-.. method:: Graph.connected()
-
-   Returns True iff every node in the graph can be reached from
-   every other node.
-
-.. method:: Graph.clust_coef(node)
-
-   Returns the local clustering coefficient of node. 
-
-   The local cluster coefficient is the proportion of the actual number
-   of edges between neighbours of node and the maximum number of
-   edges between those nodes.
diff --git a/python/altgraph/doc/_build/html/_sources/graphalgo.txt b/python/altgraph/doc/_build/html/_sources/graphalgo.txt
deleted file mode 100644
index 84d492f44..000000000
--- a/python/altgraph/doc/_build/html/_sources/graphalgo.txt
+++ /dev/null
@@ -1,26 +0,0 @@
-:mod:`altgraph.GraphAlgo` --- Graph algorithms
-==================================================
-
-.. module:: altgraph.GraphAlgo
-   :synopsis: Basic graphs algoritms
-
-.. function:: dijkstra(graph, start[, end])
-
-   Dijkstra's algorithm for shortest paths.
-
-   Find shortest paths from the  start node to all nodes nearer 
-   than or equal to the *end* node. The edge data is assumed to be the edge length.
-
-   .. note::
-
-       Dijkstra's algorithm is only guaranteed to work correctly when all edge lengths are positive.
-       This code does not verify this property for all edges (only the edges examined until the end
-       vertex is reached), but will correctly compute shortest paths even for some graphs with negative
-       edges, and will raise an exception if it discovers that a negative edge has caused it to make a mistake.
-
-
-.. function:: shortest_path(graph, start, end)
-
-   Find a single shortest path from the given start node to the given end node.
-   The input has the same conventions as :func:`dijkstra`. The output is a list 
-   of the nodes in order along the shortest path.
diff --git a/python/altgraph/doc/_build/html/_sources/graphstat.txt b/python/altgraph/doc/_build/html/_sources/graphstat.txt
deleted file mode 100644
index 0931a12dd..000000000
--- a/python/altgraph/doc/_build/html/_sources/graphstat.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-:mod:`altgraph.GraphStat` --- Functions providing various graph statistics
-==========================================================================
-
-.. module:: altgraph.GraphStat
-   :synopsis: Functions providing various graph statistics
-
-The module :mod:`altgraph.GraphStat` provides function that calculate
-graph statistics. Currently there is only one such function, more may
-be added later.
-
-.. function:: degree_dist(graph[, limits[, bin_num[, mode]]])
-
-   Groups the number of edges per node into *bin_num* bins
-   and returns the list of those bins. Every item in the result
-   is a tuple with the center of the bin and the number of items
-   in that bin.
-
-   When the *limits* argument is present it must be a tuple with
-   the mininum and maximum number of edges that get binned (that
-   is, when *limits* is ``(4, 10)`` only nodes with between 4
-   and 10 edges get counted.
-
-   The *mode* argument is used to count incoming (``'inc'``) or
-   outgoing (``'out'``) edges. The default is to count the outgoing
-   edges.
diff --git a/python/altgraph/doc/_build/html/_sources/graphutil.txt b/python/altgraph/doc/_build/html/_sources/graphutil.txt
deleted file mode 100644
index c07836df8..000000000
--- a/python/altgraph/doc/_build/html/_sources/graphutil.txt
+++ /dev/null
@@ -1,55 +0,0 @@
-:mod:`altgraph.GraphUtil` --- Utility functions
-================================================
-
-.. module:: altgraph.GraphUtil
-   :synopsis: Utility functions
-
-The module :mod:`altgraph.GraphUtil` performs a number of more
-or less useful utility functions.
-
-.. function:: generate_random_graph(node_num, edge_num[, self_loops[, multi_edges])
-
-   Generates and returns a :class:`Graph <altgraph.Graph.Graph>` instance
-   with *node_num* nodes randomly connected by *edge_num* edges.
-
-   When *self_loops* is present and True there can be edges that point from
-   a node to itself.
-
-   When *multi_edge* is present and True there can be duplicate edges.
-
-   This method raises :class:`GraphError <altgraph.GraphError` when
-   a graph with the requested configuration cannot be created.
-
-.. function:: generate_scale_free_graph(steps, growth_num[, self_loops[, multi_edges]])
-
-    Generates and returns a :py:class:`~altgraph.Graph.Graph` instance that 
-    will have *steps*growth_n um* nodes and a scale free (powerlaw) 
-    connectivity. 
-    
-    Starting with a fully connected graph with *growth_num* nodes
-    at every step *growth_num* nodes are added to the graph and are connected 
-    to existing nodes with a probability proportional to the degree of these 
-    existing nodes.
-
-    .. warning:: The current implementation is basically untested, although
-       code inspection seems to indicate an implementation that is consistent
-       with the description at 
-       `Wolfram MathWorld <http://mathworld.wolfram.com/Scale-FreeNetwork.html>`_
-
-.. function:: filter_stack(graph, head, filters)
-
-   Perform a depth-first oder walk of the graph starting at *head* and
-   apply all filter functions in *filters* on the node data of the nodes
-   found.
-
-   Returns (*visited*, *removes*, *orphans*), where
-
-   * *visited*: the set of visited nodes
-
-   * *removes*: the list of nodes where the node data doesn't match
-     all *filters*.
-
-   * *orphans*: list of tuples (*last_good*, *node*), where 
-     node is not in *removes* and one of the nodes that is connected
-     by an incoming edge is in *removes*. *Last_good* is the
-     closest upstream node that is not in *removes*.
diff --git a/python/altgraph/doc/_build/html/_sources/index.txt b/python/altgraph/doc/_build/html/_sources/index.txt
deleted file mode 100644
index 1e8d504ed..000000000
--- a/python/altgraph/doc/_build/html/_sources/index.txt
+++ /dev/null
@@ -1,41 +0,0 @@
-.. altgraph documentation master file, created by
-   sphinx-quickstart on Tue Aug 31 11:04:49 2010.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-Altgraph - A basic graph library
-================================
-
-altgraph is a fork of graphlib: a graph (network) package for constructing
-graphs, BFS and DFS traversals, topological sort, shortest paths, etc. with
-graphviz output.
-
-The primary users of this package are `macholib <http://pypi.python.org/pypi/macholib>`_ and `modulegraph <http://pypi.python.org/pypi/modulegraph>`_.
-
-.. toctree::
-   :maxdepth: 1
-
-   changelog
-   license
-   core
-   graph
-   objectgraph
-   graphalgo
-   graphstat
-   graphutil
-   dot
-
-Online Resources
-----------------
-
-* `Sourcecode repository on bitbucket <http://bitbucket.org/ronaldoussoren/altgraph/>`_
-
-* `The issue tracker <http://bitbucket.org/ronaldoussoren/altgraph/issues>`_
-
-Indices and tables
-------------------
-
-* :ref:`genindex`
-* :ref:`modindex`
-* :ref:`search`
-
diff --git a/python/altgraph/doc/_build/html/_sources/license.txt b/python/altgraph/doc/_build/html/_sources/license.txt
deleted file mode 100644
index 498e60be0..000000000
--- a/python/altgraph/doc/_build/html/_sources/license.txt
+++ /dev/null
@@ -1,25 +0,0 @@
-License
-=======
-
-Copyright (c) 2004 Istvan Albert unless otherwise noted.
-
-Parts are copyright (c) Bob Ippolito
-
-Parts are copyright (c) 2010-2014 Ronald Oussoren
-
-MIT License
-...........
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-and associated documentation files (the "Software"), to deal in the Software without restriction,
-including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do
-so.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
-PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
-FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
diff --git a/python/altgraph/doc/_build/html/_sources/objectgraph.txt b/python/altgraph/doc/_build/html/_sources/objectgraph.txt
deleted file mode 100644
index 87485255f..000000000
--- a/python/altgraph/doc/_build/html/_sources/objectgraph.txt
+++ /dev/null
@@ -1,134 +0,0 @@
-:mod:`altgraph.ObjectGraph` --- Graphs of objecs with an identifier
-===================================================================
-
-.. module:: altgraph.ObjectGraph
-   :synopsis: A graph of objects that have a "graphident" attribute.
-
-.. class:: ObjectGraph([graph[, debug]])
-
-   A graph of objects that have a "graphident" attribute. The
-   value of this attribute is the key for the object in the
-   graph.
-
-   The optional *graph* is a previously constructed 
-   :class:`Graph <altgraph.Graph.Graph>`.
-
-   The optional *debug* level controls the amount of debug output
-   (see :meth:`msg`, :meth:`msgin` and :meth:`msgout`).
-
-   .. note:: the altgraph library does not generate output, the
-      debug attribute and message methods are present for use
-      by subclasses.
-
-.. data:: ObjectGraph.graph
-
-   An :class:`Graph <altgraph.Graph.Graph>` object that contains
-   the graph data.
-
-
-.. method:: ObjectGraph.addNode(node)
-
-   Adds a *node* to the graph.  
-
-   .. note:: re-adding a node that was previously removed
-      using :meth:`removeNode` will reinstate the previously
-      removed node.
-
-.. method:: ObjectGraph.createNode(self, cls, name, \*args, \**kwds)
-
-   Creates a new node using ``cls(*args, **kwds)`` and adds that
-   node using :meth:`addNode`.
-
-   Returns the newly created node.
-
-.. method:: ObjectGraph.removeNode(node)
-
-   Removes a *node* from the graph when it exists. The *node* argument
-   is either a node object, or the graphident of a node.
-
-.. method:: ObjectGraph.createReferences(fromnode, tonode[, edge_data])
-
-   Creates a reference from *fromnode* to *tonode*. The optional
-   *edge_data* is associated with the edge.
-
-   *Fromnode* and *tonode* can either be node objects or the graphident
-   values for nodes.
-
-.. method:: removeReference(fromnode, tonode)
-
-   Removes the reference from *fromnode* to *tonode* if it exists.
-
-.. method:: ObjectGraph.getRawIdent(node)
-
-   Returns the *graphident* attribute of *node*, or the graph itself
-   when *node* is :data:`None`.
-
-.. method:: getIdent(node)
-
-   Same as :meth:`getRawIdent`, but only if the node is part
-   of the graph. 
-
-   *Node* can either be an actual node object or the graphident of
-   a node.
-
-.. method:: ObjectGraph.findNode(node)
-
-   Returns a given node in the graph, or :data:`Node` when it cannot
-   be found.
-
-   *Node* is either an object with a *graphident* attribute or
-   the *graphident* attribute itself.
-
-.. method:: ObjectGraph.__contains__(node)
-
-   Returns True if *node* is a member of the graph. *Node* is either an 
-   object with a *graphident* attribute or the *graphident* attribute itself.
-
-.. method:: ObjectGraph.flatten([condition[, start]])
-
-   Yield all nodes that are entirely reachable by *condition*
-   starting fromt he given *start* node or the graph root.
-
-   .. note:: objects are only reachable from the graph root
-      when there is a reference from the root to the node
-      (either directly or through another node)
-
-.. method:: ObjectGraph.nodes()
-
-   Yield all nodes in the graph.
-
-.. method:: ObjectGraph.get_edges(node)
-
-   Returns two iterators that yield the nodes reaching by
-   outgoing and incoming edges.
-
-.. method:: ObjectGraph.filterStack(filters)
-
-   Filter the ObjectGraph in-place by removing all edges to nodes that
-   do not match every filter in the given filter list
-
-   Returns a tuple containing the number of: 
-   (*nodes_visited*, *nodes_removed*, *nodes_orphaned*)
-
-
-Debug output
-------------
-
-.. data:: ObjectGraph.debug
-
-   The current debug level.
-
-.. method:: ObjectGraph.msg(level, text, \*args)
-
-   Print a debug message at the current indentation level when the current 
-   debug level is *level* or less.
-
-.. method:: ObjectGraph.msgin(level, text, \*args)
-
-   Print a debug message when the current debug level is *level* or less,
-   and increase the indentation level.
-
-.. method:: ObjectGraph.msgout(level, text, \*args)
-
-   Decrease the indentation level and print a debug message when the 
-   current debug level is *level* or less.
diff --git a/python/altgraph/doc/_build/html/_static/ajax-loader.gif b/python/altgraph/doc/_build/html/_static/ajax-loader.gif
deleted file mode 100644
index 61faf8cab..000000000
--- a/python/altgraph/doc/_build/html/_static/ajax-loader.gif
+++ /dev/null
diff --git a/python/altgraph/doc/_build/html/_static/basic.css b/python/altgraph/doc/_build/html/_static/basic.css
deleted file mode 100644
index c959cf0db..000000000
--- a/python/altgraph/doc/_build/html/_static/basic.css
+++ /dev/null
@@ -1,537 +0,0 @@
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\ No newline at end of file
diff --git a/python/altgraph/doc/_build/html/_static/comment-bright.png b/python/altgraph/doc/_build/html/_static/comment-bright.png
deleted file mode 100644
index 551517b8c..000000000
--- a/python/altgraph/doc/_build/html/_static/comment-bright.png
+++ /dev/null
diff --git a/python/altgraph/doc/_build/html/_static/comment-close.png b/python/altgraph/doc/_build/html/_static/comment-close.png
deleted file mode 100644
index 09b54be46..000000000
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+++ /dev/null
diff --git a/python/altgraph/doc/_build/html/_static/comment.png b/python/altgraph/doc/_build/html/_static/comment.png
deleted file mode 100644
index 92feb52b8..000000000
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diff --git a/python/altgraph/doc/_build/html/_static/doctools.js b/python/altgraph/doc/_build/html/_static/doctools.js
deleted file mode 100644
index 2036e5f5f..000000000
--- a/python/altgraph/doc/_build/html/_static/doctools.js
+++ /dev/null
@@ -1,238 +0,0 @@
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- *
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diff --git a/python/altgraph/doc/_build/html/_static/searchtools.js b/python/altgraph/doc/_build/html/_static/searchtools.js
deleted file mode 100644
index f5c7e5fee..000000000
--- a/python/altgraph/doc/_build/html/_static/searchtools.js
+++ /dev/null
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-/*
- * searchtools.js_t
- * ~~~~~~~~~~~~~~~~
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- * Sphinx JavaScript utilties for the full-text search.
- *
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- * :license: BSD, see LICENSE for details.
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-  var step2list = {
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-    enci: 'ence',
-    anci: 'ance',
-    izer: 'ize',
-    bli: 'ble',
-    alli: 'al',
-    entli: 'ent',
-    eli: 'e',
-    ousli: 'ous',
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-    ation: 'ate',
-    ator: 'ate',
-    alism: 'al',
-    iveness: 'ive',
-    fulness: 'ful',
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-    aliti: 'al',
-    iviti: 'ive',
-    biliti: 'ble',
-    logi: 'log'
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-    ness: ''
-  };
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-    // Step 3
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-      stem = fp[1];
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-      re2 = new RegExp(mgr1);
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-
-    // Step 5
-    re = /^(.+?)e$/;
-    if (re.test(w)) {
-      var fp = re.exec(w);
-      stem = fp[1];
-      re = new RegExp(mgr1);
-      re2 = new RegExp(meq1);
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-    }
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-    re2 = new RegExp(mgr1);
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-      re = /.$/;
-      w = w.replace(re,"");
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-    // and turn initial Y back to y
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-      w = firstch.toLowerCase() + w.substr(1);
-    return w;
-  }
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-
-
-
-/**
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-  // and returns the new score.
-  /*
-  score: function(result) {
-    return result[4];
-  },
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-
-  // query matches the full name of an object
-  objNameMatch: 11,
-  // or matches in the last dotted part of the object name
-  objPartialMatch: 6,
-  // Additive scores depending on the priority of the object
-  objPrio: {0:  15,   // used to be importantResults
-            1:  5,   // used to be objectResults
-            2: -5},  // used to be unimportantResults
-  //  Used when the priority is not in the mapping.
-  objPrioDefault: 0,
-
-  // query found in title
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-
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- */
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-  _pulse_status : -1,
-
-  init : function() {
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-  loadIndex : function(url) {
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-  },
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-  /**
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-    this.out = $('#search-results');
-    this.title = $('<h2>' + _('Searching') + '</h2>').appendTo(this.out);
-    this.dots = $('<span></span>').appendTo(this.title);
-    this.status = $('<p style="display: none"></p>').appendTo(this.out);
-    this.output = $('<ul class="search"/>').appendTo(this.out);
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-    $('#search-progress').text(_('Preparing search...'));
-    this.startPulse();
-
-    // index already loaded, the browser was quick!
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-      this.deferQuery(query);
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-
-  /**
-   * execute search (requires search index to be loaded)
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-  query : function(query) {
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-    var stopwords = ["a","and","are","as","at","be","but","by","for","if","in","into","is","it","near","no","not","of","on","or","such","that","the","their","then","there","these","they","this","to","was","will","with"];
-
-    // stem the searchterms and add them to the correct list
-    var stemmer = new Stemmer();
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-    var excluded = [];
-    var hlterms = [];
-    var tmp = query.split(/\s+/);
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-      var word = stemmer.stemWord(tmp[i].toLowerCase());
-      var toAppend;
-      // select the correct list
-      if (word[0] == '-') {
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-        word = word.substr(1);
-      }
-      else {
-        toAppend = searchterms;
-        hlterms.push(tmp[i].toLowerCase());
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-        toAppend.push(word);
-    }
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-    // console.debug('SEARCH: searching for:');
-    // console.info('required: ', searchterms);
-    // console.info('excluded: ', excluded);
-
-    // prepare search
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-    var titleterms = this._index.titleterms;
-
-    // array of [filename, title, anchor, descr, score]
-    var results = [];
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-
-    // lookup as object
-    for (i = 0; i < objectterms.length; i++) {
-      var others = [].concat(objectterms.slice(0, i),
-                             objectterms.slice(i+1, objectterms.length));
-      results = results.concat(this.performObjectSearch(objectterms[i], others));
-    }
-
-    // lookup as search terms in fulltext
-    results = results.concat(this.performTermsSearch(searchterms, excluded, terms, Scorer.term))
-                     .concat(this.performTermsSearch(searchterms, excluded, titleterms, Scorer.title));
-
-    // let the scorer override scores with a custom scoring function
-    if (Scorer.score) {
-      for (i = 0; i < results.length; i++)
-        results[i][4] = Scorer.score(results[i]);
-    }
-
-    // now sort the results by score (in opposite order of appearance, since the
-    // display function below uses pop() to retrieve items) and then
-    // alphabetically
-    results.sort(function(a, b) {
-      var left = a[4];
-      var right = b[4];
-      if (left > right) {
-        return 1;
-      } else if (left < right) {
-        return -1;
-      } else {
-        // same score: sort alphabetically
-        left = a[1].toLowerCase();
-        right = b[1].toLowerCase();
-        return (left > right) ? -1 : ((left < right) ? 1 : 0);
-      }
-    });
-
-    // for debugging
-    //Search.lastresults = results.slice();  // a copy
-    //console.info('search results:', Search.lastresults);
-
-    // print the results
-    var resultCount = results.length;
-    function displayNextItem() {
-      // results left, load the summary and display it
-      if (results.length) {
-        var item = results.pop();
-        var listItem = $('<li style="display:none"></li>');
-        if (DOCUMENTATION_OPTIONS.FILE_SUFFIX === '') {
-          // dirhtml builder
-          var dirname = item[0] + '/';
-          if (dirname.match(/\/index\/$/)) {
-            dirname = dirname.substring(0, dirname.length-6);
-          } else if (dirname == 'index/') {
-            dirname = '';
-          }
-          listItem.append($('<a/>').attr('href',
-            DOCUMENTATION_OPTIONS.URL_ROOT + dirname +
-            highlightstring + item[2]).html(item[1]));
-        } else {
-          // normal html builders
-          listItem.append($('<a/>').attr('href',
-            item[0] + DOCUMENTATION_OPTIONS.FILE_SUFFIX +
-            highlightstring + item[2]).html(item[1]));
-        }
-        if (item[3]) {
-          listItem.append($('<span> (' + item[3] + ')</span>'));
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        } else if (DOCUMENTATION_OPTIONS.HAS_SOURCE) {
-          $.ajax({url: DOCUMENTATION_OPTIONS.URL_ROOT + '_sources/' + item[0] + '.txt',
-                  dataType: "text",
-                  complete: function(jqxhr, textstatus) {
-                    var data = jqxhr.responseText;
-                    if (data !== '') {
-                      listItem.append(Search.makeSearchSummary(data, searchterms, hlterms));
-                    }
-                    Search.output.append(listItem);
-                    listItem.slideDown(5, function() {
-                      displayNextItem();
-                    });
-                  }});
-        } else {
-          // no source available, just display title
-          Search.output.append(listItem);
-          listItem.slideDown(5, function() {
-            displayNextItem();
-          });
-        }
-      }
-      // search finished, update title and status message
-      else {
-        Search.stopPulse();
-        Search.title.text(_('Search Results'));
-        if (!resultCount)
-          Search.status.text(_('Your search did not match any documents. Please make sure that all words are spelled correctly and that you\'ve selected enough categories.'));
-        else
-            Search.status.text(_('Search finished, found %s page(s) matching the search query.').replace('%s', resultCount));
-        Search.status.fadeIn(500);
-      }
-    }
-    displayNextItem();
-  },
-
-  /**
-   * search for object names
-   */
-  performObjectSearch : function(object, otherterms) {
-    var filenames = this._index.filenames;
-    var objects = this._index.objects;
-    var objnames = this._index.objnames;
-    var titles = this._index.titles;
-
-    var i;
-    var results = [];
-
-    for (var prefix in objects) {
-      for (var name in objects[prefix]) {
-        var fullname = (prefix ? prefix + '.' : '') + name;
-        if (fullname.toLowerCase().indexOf(object) > -1) {
-          var score = 0;
-          var parts = fullname.split('.');
-          // check for different match types: exact matches of full name or
-          // "last name" (i.e. last dotted part)
-          if (fullname == object || parts[parts.length - 1] == object) {
-            score += Scorer.objNameMatch;
-          // matches in last name
-          } else if (parts[parts.length - 1].indexOf(object) > -1) {
-            score += Scorer.objPartialMatch;
-          }
-          var match = objects[prefix][name];
-          var objname = objnames[match[1]][2];
-          var title = titles[match[0]];
-          // If more than one term searched for, we require other words to be
-          // found in the name/title/description
-          if (otherterms.length > 0) {
-            var haystack = (prefix + ' ' + name + ' ' +
-                            objname + ' ' + title).toLowerCase();
-            var allfound = true;
-            for (i = 0; i < otherterms.length; i++) {
-              if (haystack.indexOf(otherterms[i]) == -1) {
-                allfound = false;
-                break;
-              }
-            }
-            if (!allfound) {
-              continue;
-            }
-          }
-          var descr = objname + _(', in ') + title;
-
-          var anchor = match[3];
-          if (anchor === '')
-            anchor = fullname;
-          else if (anchor == '-')
-            anchor = objnames[match[1]][1] + '-' + fullname;
-          // add custom score for some objects according to scorer
-          if (Scorer.objPrio.hasOwnProperty(match[2])) {
-            score += Scorer.objPrio[match[2]];
-          } else {
-            score += Scorer.objPrioDefault;
-          }
-          results.push([filenames[match[0]], fullname, '#'+anchor, descr, score]);
-        }
-      }
-    }
-
-    return results;
-  },
-
-  /**
-   * search for full-text terms in the index
-   */
-  performTermsSearch : function(searchterms, excluded, terms, score) {
-    var filenames = this._index.filenames;
-    var titles = this._index.titles;
-
-    var i, j, file, files;
-    var fileMap = {};
-    var results = [];
-
-    // perform the search on the required terms
-    for (i = 0; i < searchterms.length; i++) {
-      var word = searchterms[i];
-      // no match but word was a required one
-      if ((files = terms[word]) === undefined)
-        break;
-      if (files.length === undefined) {
-        files = [files];
-      }
-      // create the mapping
-      for (j = 0; j < files.length; j++) {
-        file = files[j];
-        if (file in fileMap)
-          fileMap[file].push(word);
-        else
-          fileMap[file] = [word];
-      }
-    }
-
-    // now check if the files don't contain excluded terms
-    for (file in fileMap) {
-      var valid = true;
-
-      // check if all requirements are matched
-      if (fileMap[file].length != searchterms.length)
-          continue;
-
-      // ensure that none of the excluded terms is in the search result
-      for (i = 0; i < excluded.length; i++) {
-        if (terms[excluded[i]] == file ||
-          $u.contains(terms[excluded[i]] || [], file)) {
-          valid = false;
-          break;
-        }
-      }
-
-      // if we have still a valid result we can add it to the result list
-      if (valid) {
-        results.push([filenames[file], titles[file], '', null, score]);
-      }
-    }
-    return results;
-  },
-
-  /**
-   * helper function to return a node containing the
-   * search summary for a given text. keywords is a list
-   * of stemmed words, hlwords is the list of normal, unstemmed
-   * words. the first one is used to find the occurance, the
-   * latter for highlighting it.
-   */
-  makeSearchSummary : function(text, keywords, hlwords) {
-    var textLower = text.toLowerCase();
-    var start = 0;
-    $.each(keywords, function() {
-      var i = textLower.indexOf(this.toLowerCase());
-      if (i > -1)
-        start = i;
-    });
-    start = Math.max(start - 120, 0);
-    var excerpt = ((start > 0) ? '...' : '') +
-      $.trim(text.substr(start, 240)) +
-      ((start + 240 - text.length) ? '...' : '');
-    var rv = $('<div class="context"></div>').text(excerpt);
-    $.each(hlwords, function() {
-      rv = rv.highlightText(this, 'highlighted');
-    });
-    return rv;
-  }
-};
-
-$(document).ready(function() {
-  Search.init();
-});
\ No newline at end of file
diff --git a/python/altgraph/doc/_build/html/_static/underscore.js b/python/altgraph/doc/_build/html/_static/underscore.js
deleted file mode 100644
index 5b55f32be..000000000
--- a/python/altgraph/doc/_build/html/_static/underscore.js
+++ /dev/null
@@ -1,31 +0,0 @@
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diff --git a/python/altgraph/doc/_build/html/_static/up.png b/python/altgraph/doc/_build/html/_static/up.png
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diff --git a/python/altgraph/doc/_build/html/_static/websupport.js b/python/altgraph/doc/_build/html/_static/websupport.js
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index 19fcda564..000000000
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-    // Reset link styles and format the selected sort option.
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-      addComment(form);
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-    });
-  }
-
-  /**
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-  /**
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-     data: {node: id},
-     success: function(data, textStatus, request) {
-       var ul = $('#cl' + id);
-       var speed = 100;
-       $('#cf' + id)
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-         .data('source', data.source);
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-       if (data.comments.length === 0) {
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-       } else {
-         // If there are comments, sort them and put them in the list.
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-         speed = data.comments.length * 100;
-         appendComments(comments, ul);
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-       $('#cn' + id).slideUp(speed + 200);
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-     },
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-  function addComment(form) {
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-    var parent_id = form.find('input[name="parent"]').val();
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-  function toggleCommentMarkupBox(id) {
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-  /** Handle when the user clicks on a sort by link. */
-  function handleReSort(link) {
-    var classes = link.attr('class').split(/\s+/);
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-    var expiration = new Date();
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-    $('ul.comment-ul').each(function(index, ul) {
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diff --git a/python/altgraph/doc/_build/html/changelog.html b/python/altgraph/doc/_build/html/changelog.html
deleted file mode 100644
index 8f0f459ea..000000000
--- a/python/altgraph/doc/_build/html/changelog.html
+++ /dev/null
@@ -1,271 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-
-
-<html xmlns="http://www.w3.org/1999/xhtml">
-  <head>
-    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
-    
-    <title>Release history &mdash; altgraph 0.11 documentation</title>
-    
-    <link rel="stylesheet" href="_static/nature.css" type="text/css" />
-    <link rel="stylesheet" href="_static/pygments.css" type="text/css" />
-    
-    <script type="text/javascript">
-      var DOCUMENTATION_OPTIONS = {
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-        FILE_SUFFIX: '.html',
-        HAS_SOURCE:  true
-      };
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-    <script type="text/javascript" src="_static/jquery.js"></script>
-    <script type="text/javascript" src="_static/underscore.js"></script>
-    <script type="text/javascript" src="_static/doctools.js"></script>
-    <link rel="top" title="altgraph 0.11 documentation" href="index.html" />
-    <link rel="next" title="License" href="license.html" />
-    <link rel="prev" title="Altgraph - A basic graph library" href="index.html" /> 
-  </head>
-  <body>
-    <div class="related">
-      <h3>Navigation</h3>
-      <ul>
-        <li class="right" style="margin-right: 10px">
-          <a href="genindex.html" title="General Index"
-             accesskey="I">index</a></li>
-        <li class="right" >
-          <a href="py-modindex.html" title="Python Module Index"
-             >modules</a> |</li>
-        <li class="right" >
-          <a href="license.html" title="License"
-             accesskey="N">next</a> |</li>
-        <li class="right" >
-          <a href="index.html" title="Altgraph - A basic graph library"
-             accesskey="P">previous</a> |</li>
-        <li><a href="index.html">altgraph 0.11 documentation</a> &raquo;</li> 
-      </ul>
-    </div>  
-
-    <div class="document">
-      <div class="documentwrapper">
-        <div class="bodywrapper">
-          <div class="body">
-            
-  <div class="section" id="release-history">
-<h1>Release history<a class="headerlink" href="#release-history" title="Permalink to this headline">¶</a></h1>
-<div class="section" id="id1">
-<h2>0.11<a class="headerlink" href="#id1" title="Permalink to this headline">¶</a></h2>
-<ul class="simple">
-<li>Stabilize the order of elements in dot file exports,
-patch from bitbucket user &#8216;pombredanne&#8217;.</li>
-<li>Tweak setup.py file to remove dependency on distribute (but
-keep the dependency on setuptools)</li>
-</ul>
-</div>
-<div class="section" id="id2">
-<h2>0.10.2<a class="headerlink" href="#id2" title="Permalink to this headline">¶</a></h2>
-<ul class="simple">
-<li>There where no classifiers in the package metadata due to a bug
-in setup.py</li>
-</ul>
-</div>
-<div class="section" id="id3">
-<h2>0.10.1<a class="headerlink" href="#id3" title="Permalink to this headline">¶</a></h2>
-<p>This is a bugfix release</p>
-<p>Bug fixes:</p>
-<ul>
-<li><p class="first">Issue #3: The source archive contains a README.txt
-while the setup file refers to ReadMe.txt.</p>
-<p>This is caused by a misfeature in distutils, as a
-workaround I&#8217;ve renamed ReadMe.txt to README.txt
-in the source tree and setup file.</p>
-</li>
-</ul>
-</div>
-<div class="section" id="id4">
-<h2>0.10<a class="headerlink" href="#id4" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor feature release</p>
-<p>Features:</p>
-<ul>
-<li><p class="first">Do not use &#8220;2to3&#8221; to support Python 3.</p>
-<p>As a side effect of this altgraph now supports
-Python 2.6 and later, and no longer supports
-earlier releases of Python.</p>
-</li>
-<li><p class="first">The order of attributes in the Dot output
-is now always alphabetical.</p>
-<p>With this change the output will be consistent
-between runs and Python versions.</p>
-</li>
-</ul>
-</div>
-<div class="section" id="id5">
-<h2>0.9<a class="headerlink" href="#id5" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor bugfix release</p>
-<p>Features:</p>
-<ul class="simple">
-<li>Added <tt class="docutils literal"><span class="pre">altgraph.ObjectGraph.ObjectGraph.nodes</span></tt>, a method
-yielding all nodes in an object graph.</li>
-</ul>
-<p>Bugfixes:</p>
-<ul class="simple">
-<li>The 0.8 release didn&#8217;t work with py2app when using
-python 3.x.</li>
-</ul>
-</div>
-<div class="section" id="id6">
-<h2>0.8<a class="headerlink" href="#id6" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor feature release. The major new feature
-is a extensive set of unittests, which explains almost
-all other changes in this release.</p>
-<p>Bugfixes:</p>
-<ul class="simple">
-<li>Installing failed with Python 2.5 due to using a distutils
-class that isn&#8217;t available in that version of Python
-(issue #1 on the issue tracker)</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.GraphStat.degree_dist</span></tt> now actually works</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.add_edge(a,</span> <span class="pre">b,</span> <span class="pre">create_nodes=False)</span></tt> will
-no longer create the edge when one of the nodes doesn&#8217;t
-exist.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.forw_topo_sort</span></tt> failed for some sparse graphs.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.back_topo_sort</span></tt> was completely broken in
-previous releases.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.forw_bfs_subgraph</span></tt> now actually works.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.back_bfs_subgraph</span></tt> now actually works.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.iterdfs</span></tt> now returns the correct result
-when the <tt class="docutils literal"><span class="pre">forward</span></tt> argument is <tt class="docutils literal"><span class="pre">False</span></tt>.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.iterdata</span></tt> now returns the correct result
-when the <tt class="docutils literal"><span class="pre">forward</span></tt> argument is <tt class="docutils literal"><span class="pre">False</span></tt>.</li>
-</ul>
-<p>Features:</p>
-<ul class="simple">
-<li>The <tt class="docutils literal"><span class="pre">altgraph.Graph</span></tt> constructor now accepts an argument
-that contains 2- and 3-tuples instead of requireing that
-all items have the same size. The (optional) argument can now
-also be any iterator.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Graph.Graph.add_node</span></tt> has no effect when you
-add a hidden node.</li>
-<li>The private method <tt class="docutils literal"><span class="pre">altgraph.Graph._bfs</span></tt> is no longer
-present.</li>
-<li>The private method <tt class="docutils literal"><span class="pre">altgraph.Graph._dfs</span></tt> is no longer
-present.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.ObjectGraph</span></tt> now has a <tt class="docutils literal"><span class="pre">__contains__</span></tt> methods,
-which means you can use the <tt class="docutils literal"><span class="pre">in</span></tt> operator to check if a
-node is part of a graph.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.GraphUtil.generate_random_graph</span></tt> will raise
-<tt class="docutils literal"><span class="pre">GraphError</span></tt> instead of looping forever when it is
-impossible to create the requested graph.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Dot.edge_style</span></tt> raises <tt class="docutils literal"><span class="pre">GraphError</span></tt> when
-one of the nodes is not present in the graph. The method
-silently added the tail in the past, but without ensuring
-a consistent graph state.</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.Dot.save_img</span></tt> now works when the mode is
-<tt class="docutils literal"><span class="pre">&quot;neato&quot;</span></tt>.</li>
-</ul>
-</div>
-<div class="section" id="id7">
-<h2>0.7.2<a class="headerlink" href="#id7" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor bugfix release</p>
-<p>Bugfixes:</p>
-<ul class="simple">
-<li>distutils didn&#8217;t include the documentation subtree</li>
-</ul>
-</div>
-<div class="section" id="id8">
-<h2>0.7.1<a class="headerlink" href="#id8" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor feature release</p>
-<p>Features:</p>
-<ul class="simple">
-<li>Documentation is now generated using <a class="reference external" href="http://pypi.python.org/pypi/sphinx">sphinx</a>
-and can be viewed at &lt;<a class="reference external" href="http://packages.python.org/altgraph">http://packages.python.org/altgraph</a>&gt;.</li>
-<li>The repository has moved to bitbucket</li>
-<li><tt class="docutils literal"><span class="pre">altgraph.GraphStat.avg_hops</span></tt> is no longer present, the function had no
-implementation and no specified behaviour.</li>
-<li>the module <tt class="docutils literal"><span class="pre">altgraph.compat</span></tt> is gone, which means altgraph will no
-longer work with Python 2.3.</li>
-</ul>
-</div>
-<div class="section" id="id9">
-<h2>0.7.0<a class="headerlink" href="#id9" title="Permalink to this headline">¶</a></h2>
-<p>This is a minor feature release.</p>
-<p>Features:</p>
-<ul>
-<li><p class="first">Support for Python 3</p>
-</li>
-<li><p class="first">It is now possible to run tests using &#8216;python setup.py test&#8217;</p>
-<p>(The actual testsuite is still very minimal though)</p>
-</li>
-</ul>
-</div>
-</div>
-
-
-          </div>
-        </div>
-      </div>
-      <div class="sphinxsidebar">
-        <div class="sphinxsidebarwrapper">
-  <h3><a href="index.html">Table Of Contents</a></h3>
-  <ul>
-<li><a class="reference internal" href="#">Release history</a><ul>
-<li><a class="reference internal" href="#id1">0.11</a></li>
-<li><a class="reference internal" href="#id2">0.10.2</a></li>
-<li><a class="reference internal" href="#id3">0.10.1</a></li>
-<li><a class="reference internal" href="#id4">0.10</a></li>
-<li><a class="reference internal" href="#id5">0.9</a></li>
-<li><a class="reference internal" href="#id6">0.8</a></li>
-<li><a class="reference internal" href="#id7">0.7.2</a></li>
-<li><a class="reference internal" href="#id8">0.7.1</a></li>
-<li><a class="reference internal" href="#id9">0.7.0</a></li>
-</ul>
-</li>
-</ul>
-
-  <h4>Previous topic</h4>
-  <p class="topless"><a href="index.html"
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-<span id="altgraph-a-python-graph-library"></span><h1><a class="reference internal" href="#module-altgraph" title="altgraph: A directional graph for python"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph</span></tt></a> &#8212; A Python Graph Library<a class="headerlink" href="#module-altgraph" title="Permalink to this headline">¶</a></h1>
-<p>altgraph is a fork of <a class="reference external" href="http://pygraphlib.sourceforge.net">graphlib</a> tailored
-to use newer Python 2.3+ features, including additional support used by the
-py2app suite (modulegraph and macholib, specifically).</p>
-<p>altgraph is a python based graph (network) representation and manipulation package.
-It has started out as an extension to the <a class="reference external" href="http://www.ece.arizona.edu/~denny/python_nest/graph_lib_1.0.1.html">graph_lib module</a>
-written by Nathan Denny it has been significantly optimized and expanded.</p>
-<p>The <a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">altgraph.Graph.Graph</span></tt></a> class is loosely modeled after the <a class="reference external" href="http://www.algorithmic-solutions.com/enleda.htm">LEDA</a>
-(Library of Efficient Datatypes)  representation. The library
-includes methods for constructing graphs, BFS and DFS traversals,
-topological sort, finding connected components, shortest paths as well as a number
-graph statistics functions. The library can also visualize graphs
-via <a class="reference external" href="http://www.research.att.com/sw/tools/graphviz/">graphviz</a>.</p>
-<dl class="exception">
-<dt id="altgraph.GraphError">
-<em class="property">exception </em><tt class="descclassname">altgraph.</tt><tt class="descname">GraphError</tt><a class="headerlink" href="#altgraph.GraphError" title="Permalink to this definition">¶</a></dt>
-<dd><p>Exception raised when methods are called with bad values of
-an inconsistent state.</p>
-</dd></dl>
-
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diff --git a/python/altgraph/doc/_build/html/dot.html b/python/altgraph/doc/_build/html/dot.html
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-            
-  <div class="section" id="module-altgraph.Dot">
-<span id="altgraph-dot-interface-to-the-dot-language"></span><h1><a class="reference internal" href="#module-altgraph.Dot" title="altgraph.Dot: Interface to the dot language as used by Graphviz.."><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.Dot</span></tt></a> &#8212; Interface to the dot language<a class="headerlink" href="#module-altgraph.Dot" title="Permalink to this headline">¶</a></h1>
-<p>The <a class="reference internal" href="#module-altgraph.Dot" title="altgraph.Dot: Interface to the dot language as used by Graphviz.."><tt class="xref py py-mod docutils literal"><span class="pre">Dot</span></tt></a> module provides a simple interface to the
-file format used in the <a class="reference external" href="&lt;http://www.research.att.com/sw/tools/graphviz/&gt;`_">graphviz</a> program. The module is intended to
-offload the most tedious part of the process (the <strong>dot</strong> file generation)
-while transparently exposing most of its features.</p>
-<p>To display the graphs or to generate image files the <a class="reference external" href="&lt;http://www.research.att.com/sw/tools/graphviz/&gt;`_">graphviz</a>
-package needs to be installed on the system, moreover the <strong class="command">dot</strong> and <strong class="command">dotty</strong> programs must
-be accesible in the program path so that they can be ran from processes spawned
-within the module.</p>
-<div class="section" id="example-usage">
-<h2>Example usage<a class="headerlink" href="#example-usage" title="Permalink to this headline">¶</a></h2>
-<p>Here is a typical usage:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="kn">from</span> <span class="nn">altgraph</span> <span class="kn">import</span> <span class="n">Graph</span><span class="p">,</span> <span class="n">Dot</span>
-
-<span class="c"># create a graph</span>
-<span class="n">edges</span> <span class="o">=</span> <span class="p">[</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">2</span><span class="p">),</span> <span class="p">(</span><span class="mi">1</span><span class="p">,</span><span class="mi">3</span><span class="p">),</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span><span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span><span class="mi">5</span><span class="p">),</span> <span class="p">(</span><span class="mi">4</span><span class="p">,</span><span class="mi">5</span><span class="p">),</span> <span class="p">(</span><span class="mi">5</span><span class="p">,</span><span class="mi">4</span><span class="p">)</span> <span class="p">]</span>
-<span class="n">graph</span> <span class="o">=</span> <span class="n">Graph</span><span class="o">.</span><span class="n">Graph</span><span class="p">(</span><span class="n">edges</span><span class="p">)</span>
-
-<span class="c"># create a dot representation of the graph</span>
-<span class="n">dot</span> <span class="o">=</span> <span class="n">Dot</span><span class="o">.</span><span class="n">Dot</span><span class="p">(</span><span class="n">graph</span><span class="p">)</span>
-
-<span class="c"># display the graph</span>
-<span class="n">dot</span><span class="o">.</span><span class="n">display</span><span class="p">()</span>
-
-<span class="c"># save the dot representation into the mydot.dot file</span>
-<span class="n">dot</span><span class="o">.</span><span class="n">save_dot</span><span class="p">(</span><span class="n">file_name</span><span class="o">=</span><span class="s">&#39;mydot.dot&#39;</span><span class="p">)</span>
-
-<span class="c"># save dot file as gif image into the graph.gif file</span>
-<span class="n">dot</span><span class="o">.</span><span class="n">save_img</span><span class="p">(</span><span class="n">file_name</span><span class="o">=</span><span class="s">&#39;graph&#39;</span><span class="p">,</span> <span class="n">file_type</span><span class="o">=</span><span class="s">&#39;gif&#39;</span><span class="p">)</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="directed-graph-and-non-directed-graph">
-<h2>Directed graph and non-directed graph<a class="headerlink" href="#directed-graph-and-non-directed-graph" title="Permalink to this headline">¶</a></h2>
-<p>Dot class can use for both directed graph and non-directed graph
-by passing <em>graphtype</em> parameter.</p>
-<p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="c"># create directed graph(default)</span>
-<span class="n">dot</span> <span class="o">=</span> <span class="n">Dot</span><span class="o">.</span><span class="n">Dot</span><span class="p">(</span><span class="n">graph</span><span class="p">,</span> <span class="n">graphtype</span><span class="o">=</span><span class="s">&quot;digraph&quot;</span><span class="p">)</span>
-
-<span class="c"># create non-directed graph</span>
-<span class="n">dot</span> <span class="o">=</span> <span class="n">Dot</span><span class="o">.</span><span class="n">Dot</span><span class="p">(</span><span class="n">graph</span><span class="p">,</span> <span class="n">graphtype</span><span class="o">=</span><span class="s">&quot;graph&quot;</span><span class="p">)</span>
-</pre></div>
-</div>
-</div>
-<div class="section" id="customizing-the-output">
-<h2>Customizing the output<a class="headerlink" href="#customizing-the-output" title="Permalink to this headline">¶</a></h2>
-<p>The graph drawing process may be customized by passing
-valid <strong class="command">dot</strong> parameters for the nodes and edges. For a list of all
-parameters see the <a class="reference external" href="&lt;http://www.research.att.com/sw/tools/graphviz/&gt;`_">graphviz</a> documentation.</p>
-<p>Example:</p>
-<div class="highlight-python"><div class="highlight"><pre># customizing the way the overall graph is drawn
-dot.style(size=&#39;10,10&#39;, rankdir=&#39;RL&#39;, page=&#39;5, 5&#39; , ranksep=0.75)
-
-# customizing node drawing
-dot.node_style(1, label=&#39;BASE_NODE&#39;,shape=&#39;box&#39;, color=&#39;blue&#39; )
-dot.node_style(2, style=&#39;filled&#39;, fillcolor=&#39;red&#39;)
-
-# customizing edge drawing
-dot.edge_style(1, 2, style=&#39;dotted&#39;)
-dot.edge_style(3, 5, arrowhead=&#39;dot&#39;, label=&#39;binds&#39;, labelangle=&#39;90&#39;)
-dot.edge_style(4, 5, arrowsize=2, style=&#39;bold&#39;)
-
-
-.. note::
-
-   dotty (invoked via :py:func:`~altgraph.Dot.display`) may not be able to
-   display all graphics styles. To verify the output save it to an image
-   file and look at it that way.
-</pre></div>
-</div>
-</div>
-<div class="section" id="valid-attributes">
-<h2>Valid attributes<a class="headerlink" href="#valid-attributes" title="Permalink to this headline">¶</a></h2>
-<ul>
-<li><p class="first">dot styles, passed via the <a class="reference internal" href="#altgraph.Dot.Dot.style" title="altgraph.Dot.Dot.style"><tt class="xref py py-meth docutils literal"><span class="pre">Dot.style()</span></tt></a> method:</p>
-<div class="highlight-python"><div class="highlight"><pre>rankdir = &#39;LR&#39;   (draws the graph horizontally, left to right)
-ranksep = number (rank separation in inches)
-</pre></div>
-</div>
-</li>
-<li><p class="first">node attributes, passed via the <a class="reference internal" href="#altgraph.Dot.Dot.node_style" title="altgraph.Dot.Dot.node_style"><tt class="xref py py-meth docutils literal"><span class="pre">Dot.node_style()</span></tt></a> method:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="n">style</span> <span class="o">=</span> <span class="s">&#39;filled&#39;</span> <span class="o">|</span> <span class="s">&#39;invisible&#39;</span> <span class="o">|</span> <span class="s">&#39;diagonals&#39;</span> <span class="o">|</span> <span class="s">&#39;rounded&#39;</span>
-<span class="n">shape</span> <span class="o">=</span> <span class="s">&#39;box&#39;</span> <span class="o">|</span> <span class="s">&#39;ellipse&#39;</span> <span class="o">|</span> <span class="s">&#39;circle&#39;</span> <span class="o">|</span> <span class="s">&#39;point&#39;</span> <span class="o">|</span> <span class="s">&#39;triangle&#39;</span>
-</pre></div>
-</div>
-</li>
-<li><p class="first">edge attributes, passed via the <tt class="xref py py-meth docutils literal"><span class="pre">Dot.edge_style()</span></tt> method:</p>
-<div class="highlight-python"><div class="highlight"><pre>style     = &#39;dashed&#39; | &#39;dotted&#39; | &#39;solid&#39; | &#39;invis&#39; | &#39;bold&#39;
-arrowhead = &#39;box&#39; | &#39;crow&#39; | &#39;diamond&#39; | &#39;dot&#39; | &#39;inv&#39; | &#39;none&#39; | &#39;tee&#39; | &#39;vee&#39;
-weight    = number (the larger the number the closer the nodes will be)
-</pre></div>
-</div>
-</li>
-<li><p class="first">valid <a class="reference external" href="http://www.research.att.com/~erg/graphviz/info/colors.html">graphviz colors</a></p>
-</li>
-<li><p class="first">for more details on how to control the graph drawing process see the
-<a class="reference external" href="http://www.research.att.com/sw/tools/graphviz/refs.html">graphviz reference</a>.</p>
-</li>
-</ul>
-</div>
-<div class="section" id="class-interface">
-<h2>Class interface<a class="headerlink" href="#class-interface" title="Permalink to this headline">¶</a></h2>
-<dl class="class">
-<dt id="altgraph.Dot.Dot">
-<em class="property">class </em><tt class="descclassname">altgraph.Dot.</tt><tt class="descname">Dot</tt><big>(</big><em>graph</em><span class="optional">[</span>, <em>nodes</em><span class="optional">[</span>, <em>edgefn</em><span class="optional">[</span>, <em>nodevisitor</em><span class="optional">[</span>, <em>edgevisitor</em><span class="optional">[</span>, <em>name</em><span class="optional">[</span>, <em>dot</em><span class="optional">[</span>, <em>dotty</em><span class="optional">[</span>, <em>neato</em><span class="optional">[</span>, <em>graphtype</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Dot.Dot" title="Permalink to this definition">¶</a></dt>
-<dd><p>Creates a new Dot generator based on the specified
-<a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a>.  The Dot generator won&#8217;t reference
-the <em>graph</em> once it is constructed.</p>
-<p>If the <em>nodes</em> argument is present it is the list of nodes to include
-in the graph, otherwise all nodes in <em>graph</em> are included.</p>
-<p>If the <em>edgefn</em> argument is present it is a function that yields the
-nodes connected to another node, this defaults to
-<tt class="xref py py-meth docutils literal"><span class="pre">graph.out_nbr</span></tt>. The constructor won&#8217;t
-add edges to the dot file unless both the head and tail of the edge
-are in <em>nodes</em>.</p>
-<p>If the <em>name</em> is present it specifies the name of the graph in the resulting
-dot file. The default is <tt class="docutils literal"><span class="pre">&quot;G&quot;</span></tt>.</p>
-<p>The functions <em>nodevisitor</em> and <em>edgevisitor</em> return the default style
-for a given edge or node (both default to functions that return an empty
-style).</p>
-<p>The arguments <em>dot</em>, <em>dotty</em> and <em>neato</em> are used to pass the path to
-the corresponding <a class="reference external" href="&lt;http://www.research.att.com/sw/tools/graphviz/&gt;`_">graphviz</a> command.</p>
-</dd></dl>
-
-<div class="section" id="updating-graph-attributes">
-<h3>Updating graph attributes<a class="headerlink" href="#updating-graph-attributes" title="Permalink to this headline">¶</a></h3>
-<dl class="method">
-<dt id="altgraph.Dot.Dot.style">
-<tt class="descclassname">Dot.</tt><tt class="descname">style</tt><big>(</big><em>**attr</em><big>)</big><a class="headerlink" href="#altgraph.Dot.Dot.style" title="Permalink to this definition">¶</a></dt>
-<dd><p>Sets the overall style (graph attributes) to the given attributes.</p>
-<p>See <a class="reference internal" href="#valid-attributes">Valid Attributes</a> for more information about the attributes.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.Dot.node_style">
-<tt class="descclassname">Dot.</tt><tt class="descname">node_style</tt><big>(</big><em>node</em>, <em>**attr</em><big>)</big><a class="headerlink" href="#altgraph.Dot.Dot.node_style" title="Permalink to this definition">¶</a></dt>
-<dd><p>Sets the style for <em>node</em> to the given attributes.</p>
-<p>This method will add <em>node</em> to the graph when it isn&#8217;t already
-present.</p>
-<p>See <a class="reference internal" href="#valid-attributes">Valid Attributes</a> for more information about the attributes.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.Dot.all_node_style">
-<tt class="descclassname">Dot.</tt><tt class="descname">all_node_style</tt><big>(</big><em>**attr</em><big>)</big><a class="headerlink" href="#altgraph.Dot.Dot.all_node_style" title="Permalink to this definition">¶</a></dt>
-<dd><p>Replaces the current style for all nodes</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.edge_style">
-<tt class="descclassname">altgraph.Dot.</tt><tt class="descname">edge_style</tt><big>(</big><em>head</em>, <em>tail</em>, <em>**attr</em><big>)</big><a class="headerlink" href="#altgraph.Dot.edge_style" title="Permalink to this definition">¶</a></dt>
-<dd><p>Sets the style of an edge to the given attributes. The edge will
-be added to the graph when it isn&#8217;t already present, but <em>head</em>
-and <em>tail</em> must both be valid nodes.</p>
-<p>See <a class="reference internal" href="#valid-attributes">Valid Attributes</a> for more information about the attributes.</p>
-</dd></dl>
-
-</div>
-<div class="section" id="emitting-output">
-<h3>Emitting output<a class="headerlink" href="#emitting-output" title="Permalink to this headline">¶</a></h3>
-<dl class="method">
-<dt id="altgraph.Dot.Dot.display">
-<tt class="descclassname">Dot.</tt><tt class="descname">display</tt><big>(</big><span class="optional">[</span><em>mode</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Dot.Dot.display" title="Permalink to this definition">¶</a></dt>
-<dd><p>Displays the current graph via dotty.</p>
-<p>If the <em>mode</em> is <tt class="docutils literal"><span class="pre">&quot;neato&quot;</span></tt> the dot file is processed with
-the neato command before displaying.</p>
-<p>This method won&#8217;t return until the dotty command exits.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.save_dot">
-<tt class="descclassname">altgraph.Dot.</tt><tt class="descname">save_dot</tt><big>(</big><em>filename</em><big>)</big><a class="headerlink" href="#altgraph.Dot.save_dot" title="Permalink to this definition">¶</a></dt>
-<dd><p>Saves the current graph representation into the given file.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p>For backward compatibility reasons this method can also
-be called without an argument, it will then write the graph
-into a fixed filename (present in the attribute <tt class="xref py py-data docutils literal"><span class="pre">Graph.temp_dot</span></tt>).</p>
-<p class="last">This feature is deprecated and should not be used.</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.save_image">
-<tt class="descclassname">altgraph.Dot.</tt><tt class="descname">save_image</tt><big>(</big><em>file_name</em><span class="optional">[</span>, <em>file_type</em><span class="optional">[</span>, <em>mode</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Dot.save_image" title="Permalink to this definition">¶</a></dt>
-<dd><p>Saves the current graph representation as an image file. The output
-is written into a file whose basename is <em>file_name</em> and whose suffix
-is <em>file_type</em>.</p>
-<p>The <em>file_type</em> specifies the type of file to write, the default
-is <tt class="docutils literal"><span class="pre">&quot;gif&quot;</span></tt>.</p>
-<p>If the <em>mode</em> is <tt class="docutils literal"><span class="pre">&quot;neato&quot;</span></tt> the dot file is processed with
-the neato command before displaying.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p>For backward compatibility reasons this method can also
-be called without an argument, it will then write the graph
-with a fixed basename (<tt class="docutils literal"><span class="pre">&quot;out&quot;</span></tt>).</p>
-<p class="last">This feature is deprecated and should not be used.</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.iterdot">
-<tt class="descclassname">altgraph.Dot.</tt><tt class="descname">iterdot</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Dot.iterdot" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yields all lines of a <a class="reference external" href="&lt;http://www.research.att.com/sw/tools/graphviz/&gt;`_">graphviz</a> input file (including line endings).</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Dot.__iter__">
-<tt class="descclassname">altgraph.Dot.</tt><tt class="descname">__iter__</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Dot.__iter__" title="Permalink to this definition">¶</a></dt>
-<dd><p>Alias for the <a class="reference internal" href="#altgraph.Dot.iterdot" title="altgraph.Dot.iterdot"><tt class="xref py py-meth docutils literal"><span class="pre">iterdot()</span></tt></a> method.</p>
-</dd></dl>
-
-</div>
-</div>
-</div>
-
-
-          </div>
-        </div>
-      </div>
-      <div class="sphinxsidebar">
-        <div class="sphinxsidebarwrapper">
-  <h3><a href="index.html">Table Of Contents</a></h3>
-  <ul>
-<li><a class="reference internal" href="#"><tt class="docutils literal"><span class="pre">altgraph.Dot</span></tt> &#8212; Interface to the dot language</a><ul>
-<li><a class="reference internal" href="#example-usage">Example usage</a></li>
-<li><a class="reference internal" href="#directed-graph-and-non-directed-graph">Directed graph and non-directed graph</a></li>
-<li><a class="reference internal" href="#customizing-the-output">Customizing the output</a></li>
-<li><a class="reference internal" href="#valid-attributes">Valid attributes</a></li>
-<li><a class="reference internal" href="#class-interface">Class interface</a><ul>
-<li><a class="reference internal" href="#updating-graph-attributes">Updating graph attributes</a></li>
-<li><a class="reference internal" href="#emitting-output">Emitting output</a></li>
-</ul>
-</li>
-</ul>
-</li>
-</ul>
-
-  <h4>Previous topic</h4>
-  <p class="topless"><a href="graphutil.html"
-                        title="previous chapter"><tt class="docutils literal"><span class="pre">altgraph.GraphUtil</span></tt> &#8212; Utility functions</a></p>
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diff --git a/python/altgraph/doc/_build/html/genindex.html b/python/altgraph/doc/_build/html/genindex.html
deleted file mode 100644
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+++ /dev/null
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-
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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- <a href="#_"><strong>_</strong></a>
- | <a href="#A"><strong>A</strong></a>
- | <a href="#B"><strong>B</strong></a>
- | <a href="#C"><strong>C</strong></a>
- | <a href="#D"><strong>D</strong></a>
- | <a href="#E"><strong>E</strong></a>
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- | <a href="#G"><strong>G</strong></a>
- | <a href="#H"><strong>H</strong></a>
- | <a href="#I"><strong>I</strong></a>
- | <a href="#M"><strong>M</strong></a>
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- | <a href="#O"><strong>O</strong></a>
- | <a href="#R"><strong>R</strong></a>
- | <a href="#S"><strong>S</strong></a>
- | <a href="#T"><strong>T</strong></a>
- 
-</div>
-<h2 id="_">_</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.__contains__">__contains__() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      <dd><dl>
-        
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.__contains__">(altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      </dl></dd>
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.__iter__">__iter__() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      <dd><dl>
-        
-  <dt><a href="dot.html#altgraph.Dot.__iter__">(in module altgraph.Dot)</a>
-  </dt>
-
-      </dl></dd>
-  </dl></td>
-</tr></table>
-
-<h2 id="A">A</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.add_edge">add_edge() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.add_node">add_node() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.addNode">addNode() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.all_degree">all_degree() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.all_edges">all_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.all_nbrs">all_nbrs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.Dot.all_node_style">all_node_style() (altgraph.Dot.Dot method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="core.html#module-altgraph">altgraph (module)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#module-altgraph.Dot">altgraph.Dot (module)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#module-altgraph.Graph">altgraph.Graph (module)</a>
-  </dt>
-
-      
-  <dt><a href="graphalgo.html#module-altgraph.GraphAlgo">altgraph.GraphAlgo (module)</a>
-  </dt>
-
-      
-  <dt><a href="graphstat.html#module-altgraph.GraphStat">altgraph.GraphStat (module)</a>
-  </dt>
-
-      
-  <dt><a href="graphutil.html#module-altgraph.GraphUtil">altgraph.GraphUtil (module)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#module-altgraph.ObjectGraph">altgraph.ObjectGraph (module)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="B">B</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.back_bfs">back_bfs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.back_bfs_subgraph">back_bfs_subgraph() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.back_topo_sort">back_topo_sort() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="C">C</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.clust_coef">clust_coef() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.connected">connected() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.createNode">createNode() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.createReferences">createReferences() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="D">D</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graphstat.html#altgraph.GraphStat.degree_dist">degree_dist() (in module altgraph.GraphStat)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.describe_edge">describe_edge() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.describe_node">describe_node() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graphalgo.html#altgraph.GraphAlgo.dijkstra">dijkstra() (in module altgraph.GraphAlgo)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.Dot.display">display() (altgraph.Dot.Dot method)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.Dot">Dot (class in altgraph.Dot)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="E">E</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.edge_by_id">edge_by_id() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.edge_by_node">edge_by_node() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.edge_data">edge_data() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.edge_list">edge_list() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.edge_style">edge_style() (in module altgraph.Dot)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="F">F</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graphutil.html#altgraph.GraphUtil.filter_stack">filter_stack() (in module altgraph.GraphUtil)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.filterStack">filterStack() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.findNode">findNode() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.flatten">flatten() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.forw_bfs">forw_bfs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.forw_bfs_subgraph">forw_bfs_subgraph() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.forw_topo_sort">forw_topo_sort() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="G">G</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graphutil.html#altgraph.GraphUtil.generate_random_graph">generate_random_graph() (in module altgraph.GraphUtil)</a>
-  </dt>
-
-      
-  <dt><a href="graphutil.html#altgraph.GraphUtil.generate_scale_free_graph">generate_scale_free_graph() (in module altgraph.GraphUtil)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.get_edges">get_edges() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.get_hops">get_hops() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.getIdent">getIdent() (in module altgraph.ObjectGraph)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.getRawIdent">getRawIdent() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph">Graph (class in altgraph.Graph)</a>
-  </dt>
-
-      
-  <dt><a href="core.html#altgraph.GraphError">GraphError</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="H">H</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.head">head() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.hidden_edge_list">hidden_edge_list() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.hidden_node_list">hidden_node_list() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.hide_edge">hide_edge() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.hide_node">hide_node() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="I">I</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.inc_degree">inc_degree() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.inc_edges">inc_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.inc_nbrs">inc_nbrs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.iterdata">iterdata() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.iterdfs">iterdfs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.iterdot">iterdot() (in module altgraph.Dot)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="M">M</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.msg">msg() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.msgin">msgin() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.msgout">msgout() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="N">N</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.node_data">node_data() (in module altgraph.Graph)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.node_list">node_list() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.Dot.node_style">node_style() (altgraph.Dot.Dot method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.nodes">nodes() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.number_of_edges">number_of_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.number_of_hidden_edges">number_of_hidden_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.number_of_hidden_nodes">number_of_hidden_nodes() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.number_of_nodes">number_of_nodes() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="O">O</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph">ObjectGraph (class in altgraph.ObjectGraph)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.debug">ObjectGraph.debug (in module altgraph.ObjectGraph)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.graph">ObjectGraph.graph (in module altgraph.ObjectGraph)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.out_degree">out_degree() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.out_edges">out_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.out_nbrs">out_nbrs() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="R">R</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.ObjectGraph.removeNode">removeNode() (altgraph.ObjectGraph.ObjectGraph method)</a>
-  </dt>
-
-      
-  <dt><a href="objectgraph.html#altgraph.ObjectGraph.removeReference">removeReference() (in module altgraph.ObjectGraph)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.restore_all_edges">restore_all_edges() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.restore_all_nodes">restore_all_nodes() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.restore_edge">restore_edge() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.restore_node">restore_node() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="S">S</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="dot.html#altgraph.Dot.save_dot">save_dot() (in module altgraph.Dot)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.save_image">save_image() (in module altgraph.Dot)</a>
-  </dt>
-
-  </dl></td>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graphalgo.html#altgraph.GraphAlgo.shortest_path">shortest_path() (in module altgraph.GraphAlgo)</a>
-  </dt>
-
-      
-  <dt><a href="dot.html#altgraph.Dot.Dot.style">style() (altgraph.Dot.Dot method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-<h2 id="T">T</h2>
-<table style="width: 100%" class="indextable genindextable"><tr>
-  <td style="width: 33%" valign="top"><dl>
-      
-  <dt><a href="graph.html#altgraph.Graph.Graph.tail">tail() (altgraph.Graph.Graph method)</a>
-  </dt>
-
-  </dl></td>
-</tr></table>
-
-
-
-          </div>
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-  <div class="section" id="module-altgraph.Graph">
-<span id="altgraph-graph-basic-directional-graphs"></span><h1><a class="reference internal" href="#module-altgraph.Graph" title="altgraph.Graph: Basic directional graphs."><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.Graph</span></tt></a> &#8212; Basic directional graphs<a class="headerlink" href="#module-altgraph.Graph" title="Permalink to this headline">¶</a></h1>
-<p>The module <a class="reference internal" href="#module-altgraph.Graph" title="altgraph.Graph: Basic directional graphs."><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.Graph</span></tt></a> provides a class <a class="reference internal" href="#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a> that
-represents a directed graph with <em>N</em> nodes and <em>E</em> edges.</p>
-<dl class="class">
-<dt id="altgraph.Graph.Graph">
-<em class="property">class </em><tt class="descclassname">altgraph.Graph.</tt><tt class="descname">Graph</tt><big>(</big><span class="optional">[</span><em>edges</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph" title="Permalink to this definition">¶</a></dt>
-<dd><p>Constructs a new empty <a class="reference internal" href="#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a> object. If the optional
-<em>edges</em> parameter is supplied, updates the graph by adding the
-specified edges.</p>
-<p>All of the elements in <em>edges</em> should be tuples with two or three
-elements. The first two elements of the tuple are the source and
-destination node of the edge, the optional third element is the
-edge data.  The source and destination nodes are added to the graph
-when the aren&#8217;t already present.</p>
-</dd></dl>
-
-<div class="section" id="node-related-methods">
-<h2>Node related methods<a class="headerlink" href="#node-related-methods" title="Permalink to this headline">¶</a></h2>
-<dl class="method">
-<dt id="altgraph.Graph.Graph.add_node">
-<tt class="descclassname">Graph.</tt><tt class="descname">add_node</tt><big>(</big><em>node</em><span class="optional">[</span>, <em>node_data</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.add_node" title="Permalink to this definition">¶</a></dt>
-<dd><p>Adds a new node to the graph if it is not already present. The new
-node must be a hashable object.</p>
-<p>Arbitrary data can be attached to the node via the optional <em>node_data</em>
-argument.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">the node also won&#8217;t be added to the graph when it is
-present but currently hidden.</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.hide_node">
-<tt class="descclassname">Graph.</tt><tt class="descname">hide_node</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.hide_node" title="Permalink to this definition">¶</a></dt>
-<dd><p>Hides a <em>node</em> from the graph. The incoming and outgoing edges of
-the node will also be hidden.</p>
-<p>Raises <a class="reference internal" href="core.html#altgraph.GraphError" title="altgraph.GraphError"><tt class="xref py py-class docutils literal"><span class="pre">altgraph.GraphError</span></tt></a> when the node is not (visible)
-node of the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.restore_node">
-<tt class="descclassname">Graph.</tt><tt class="descname">restore_node</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.restore_node" title="Permalink to this definition">¶</a></dt>
-<dd><p>Restores a previously hidden <em>node</em>. The incoming and outgoing
-edges of the node are also restored.</p>
-<p>Raises <a class="reference internal" href="core.html#altgraph.GraphError" title="altgraph.GraphError"><tt class="xref py py-class docutils literal"><span class="pre">altgraph.GraphError</span></tt></a> when the node is not a hidden
-node of the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.restore_all_nodes">
-<tt class="descclassname">Graph.</tt><tt class="descname">restore_all_nodes</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.restore_all_nodes" title="Permalink to this definition">¶</a></dt>
-<dd><p>Restores all hidden nodes.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.number_of_nodes">
-<tt class="descclassname">Graph.</tt><tt class="descname">number_of_nodes</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.number_of_nodes" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of visible nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.number_of_hidden_nodes">
-<tt class="descclassname">Graph.</tt><tt class="descname">number_of_hidden_nodes</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.number_of_hidden_nodes" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of hidden nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.node_list">
-<tt class="descclassname">Graph.</tt><tt class="descname">node_list</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.node_list" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list with all visible nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.hidden_node_list">
-<tt class="descclassname">Graph.</tt><tt class="descname">hidden_node_list</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.hidden_node_list" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list with all hidden nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.node_data">
-<tt class="descclassname">altgraph.Graph.</tt><tt class="descname">node_data</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.node_data" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the data associated with the <em>node</em> when it was
-added.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.describe_node">
-<tt class="descclassname">Graph.</tt><tt class="descname">describe_node</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.describe_node" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns <em>node</em>, the node&#8217;s data and the lists of outgoing
-and incoming edges for the node.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">the edge lists should not be modified, doing so
-can result in unpredicatable behavior.</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.__contains__">
-<tt class="descclassname">Graph.</tt><tt class="descname">__contains__</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.__contains__" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns True iff <em>node</em> is a node in the graph. This
-method is accessed through the <em>in</em> operator.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.__iter__">
-<tt class="descclassname">Graph.</tt><tt class="descname">__iter__</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.__iter__" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yield all nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.out_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">out_edges</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.out_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the list of outgoing edges for <em>node</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.inc_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">inc_edges</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.inc_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the list of incoming edges for <em>node</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.all_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">all_edges</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.all_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the list of incoming and outgoing edges for <em>node</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.out_degree">
-<tt class="descclassname">Graph.</tt><tt class="descname">out_degree</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.out_degree" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of outgoing edges for <em>node</em>.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.inc_degree">
-<tt class="descclassname">Graph.</tt><tt class="descname">inc_degree</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.inc_degree" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of incoming edges for <em>node</em>.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.all_degree">
-<tt class="descclassname">Graph.</tt><tt class="descname">all_degree</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.all_degree" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of edges (incoming or outgoing) for <em>node</em>.</p>
-</dd></dl>
-
-</div>
-<div class="section" id="edge-related-methods">
-<h2>Edge related methods<a class="headerlink" href="#edge-related-methods" title="Permalink to this headline">¶</a></h2>
-<dl class="method">
-<dt id="altgraph.Graph.Graph.add_edge">
-<tt class="descclassname">Graph.</tt><tt class="descname">add_edge</tt><big>(</big><em>head_id</em>, <em>tail_id</em><span class="optional">[</span>, <em>edge data</em><span class="optional">[</span>, <em>create_nodes</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.add_edge" title="Permalink to this definition">¶</a></dt>
-<dd><p>Adds a directed edge from <em>head_id</em> to <em>tail_id</em>. Arbitrary data can
-be added via <em>edge_data</em>.  When <em>create_nodes</em> is <em>True</em> (the default),
-<em>head_id</em> and <em>tail_id</em> will be added to the graph when the aren&#8217;t
-already present.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.hide_edge">
-<tt class="descclassname">Graph.</tt><tt class="descname">hide_edge</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.hide_edge" title="Permalink to this definition">¶</a></dt>
-<dd><p>Hides an edge from the graph. The edge may be unhidden at some later
-time.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.restore_edge">
-<tt class="descclassname">Graph.</tt><tt class="descname">restore_edge</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.restore_edge" title="Permalink to this definition">¶</a></dt>
-<dd><p>Restores a previously hidden <em>edge</em>.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.restore_all_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">restore_all_edges</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.restore_all_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Restore all edges that were hidden before, except for edges
-referring to hidden nodes.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.edge_by_node">
-<tt class="descclassname">Graph.</tt><tt class="descname">edge_by_node</tt><big>(</big><em>head</em>, <em>tail</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.edge_by_node" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the edge ID for an edge from <em>head</em> to <em>tail</em>,
-or <a class="reference external" href="http://docs.python.org/library/constants.html#None" title="(in Python v2.7)"><tt class="xref py py-data docutils literal"><span class="pre">None</span></tt></a> when no such edge exists.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.edge_by_id">
-<tt class="descclassname">Graph.</tt><tt class="descname">edge_by_id</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.edge_by_id" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the head and tail of the <em>edge</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.edge_data">
-<tt class="descclassname">Graph.</tt><tt class="descname">edge_data</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.edge_data" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the data associated with the <em>edge</em>.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.head">
-<tt class="descclassname">Graph.</tt><tt class="descname">head</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.head" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the head of an <em>edge</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.tail">
-<tt class="descclassname">Graph.</tt><tt class="descname">tail</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.tail" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the tail of an <em>edge</em></p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.describe_edge">
-<tt class="descclassname">Graph.</tt><tt class="descname">describe_edge</tt><big>(</big><em>edge</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.describe_edge" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the <em>edge</em>, the associated data, its head and tail.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.number_of_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">number_of_edges</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.number_of_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of visible edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.number_of_hidden_edges">
-<tt class="descclassname">Graph.</tt><tt class="descname">number_of_hidden_edges</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.number_of_hidden_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return the number of hidden edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.edge_list">
-<tt class="descclassname">Graph.</tt><tt class="descname">edge_list</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.edge_list" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a list with all visible edges in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.hidden_edge_list">
-<tt class="descclassname">Graph.</tt><tt class="descname">hidden_edge_list</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.hidden_edge_list" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a list with all hidden edges in the graph.</p>
-</dd></dl>
-
-</div>
-<div class="section" id="graph-traversal">
-<h2>Graph traversal<a class="headerlink" href="#graph-traversal" title="Permalink to this headline">¶</a></h2>
-<dl class="method">
-<dt id="altgraph.Graph.Graph.out_nbrs">
-<tt class="descclassname">Graph.</tt><tt class="descname">out_nbrs</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.out_nbrs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list of all nodes connected by outgoing edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.inc_nbrs">
-<tt class="descclassname">Graph.</tt><tt class="descname">inc_nbrs</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.inc_nbrs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list of all nodes connected by incoming edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.all_nbrs">
-<tt class="descclassname">Graph.</tt><tt class="descname">all_nbrs</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.all_nbrs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a list of nodes connected by an incoming or outgoing edge.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.forw_topo_sort">
-<tt class="descclassname">Graph.</tt><tt class="descname">forw_topo_sort</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.forw_topo_sort" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list of nodes where the successors (based on outgoing
-edges) of any given node apear in the sequence after that node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.back_topo_sort">
-<tt class="descclassname">Graph.</tt><tt class="descname">back_topo_sort</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.back_topo_sort" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a list of nodes where the successors (based on incoming
-edges) of any given node apear in the sequence after that node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.forw_bfs_subgraph">
-<tt class="descclassname">Graph.</tt><tt class="descname">forw_bfs_subgraph</tt><big>(</big><em>start_id</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.forw_bfs_subgraph" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a subgraph consisting of the breadth first
-reachable nodes from <em>start_id</em> based on their outgoing edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.back_bfs_subgraph">
-<tt class="descclassname">Graph.</tt><tt class="descname">back_bfs_subgraph</tt><big>(</big><em>start_id</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.back_bfs_subgraph" title="Permalink to this definition">¶</a></dt>
-<dd><p>Return a subgraph consisting of the breadth first
-reachable nodes from <em>start_id</em> based on their incoming edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.iterdfs">
-<tt class="descclassname">Graph.</tt><tt class="descname">iterdfs</tt><big>(</big><em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">[</span>, <em>forward</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.iterdfs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yield nodes in a depth first traversal starting at the <em>start</em>
-node.</p>
-<p>If <em>end</em> is specified traversal stops when reaching that node.</p>
-<p>If forward is True (the default) edges are traversed in forward
-direction, otherwise they are traversed in reverse direction.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.iterdata">
-<tt class="descclassname">Graph.</tt><tt class="descname">iterdata</tt><big>(</big><em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">[</span>, <em>forward</em><span class="optional">[</span>, <em>condition</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.iterdata" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yield the associated data for nodes in a depth first traversal
-starting at the <em>start</em> node. This method will not yield values for nodes
-without associated data.</p>
-<p>If <em>end</em> is specified traversal stops when reaching that node.</p>
-<p>If <em>condition</em> is specified and the condition callable returns
-False for the associated data this method will not yield the
-associated data and will not follow the edges for the node.</p>
-<p>If forward is True (the default) edges are traversed in forward
-direction, otherwise they are traversed in reverse direction.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.forw_bfs">
-<tt class="descclassname">Graph.</tt><tt class="descname">forw_bfs</tt><big>(</big><em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.forw_bfs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a list of nodes starting at <em>start</em> in some bread first
-search order (following outgoing edges).</p>
-<p>When <em>end</em> is specified iteration stops at that node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.back_bfs">
-<tt class="descclassname">Graph.</tt><tt class="descname">back_bfs</tt><big>(</big><em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.back_bfs" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a list of nodes starting at <em>start</em> in some bread first
-search order (following incoming edges).</p>
-<p>When <em>end</em> is specified iteration stops at that node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.get_hops">
-<tt class="descclassname">Graph.</tt><tt class="descname">get_hops</tt><big>(</big><em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">[</span>, <em>forward</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.get_hops" title="Permalink to this definition">¶</a></dt>
-<dd><p>Computes the hop distance to all nodes centered around a specified node.</p>
-<p>First order neighbours are at hop 1, their neigbours are at hop 2 etc.
-Uses <a class="reference internal" href="#altgraph.Graph.Graph.forw_bfs" title="altgraph.Graph.Graph.forw_bfs"><tt class="xref py py-meth docutils literal"><span class="pre">forw_bfs()</span></tt></a> or <a class="reference internal" href="#altgraph.Graph.Graph.back_bfs" title="altgraph.Graph.Graph.back_bfs"><tt class="xref py py-meth docutils literal"><span class="pre">back_bfs()</span></tt></a> depending on the value of
-the forward parameter.</p>
-<p>If the distance between all neighbouring nodes is 1 the hop number
-corresponds to the shortest distance between the nodes.</p>
-<p>Typical usage:</p>
-<div class="highlight-python"><div class="highlight"><pre><span class="gp">&gt;&gt;&gt; </span><span class="k">print</span> <span class="n">graph</span><span class="o">.</span><span class="n">get_hops</span><span class="p">(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">8</span><span class="p">)</span>
-<span class="gp">&gt;&gt;&gt; </span><span class="p">[(</span><span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">),</span> <span class="p">(</span><span class="mi">2</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="mi">3</span><span class="p">,</span> <span class="mi">1</span><span class="p">),</span> <span class="p">(</span><span class="mi">4</span><span class="p">,</span> <span class="mi">2</span><span class="p">),</span> <span class="p">(</span><span class="mi">5</span><span class="p">,</span> <span class="mi">3</span><span class="p">),</span> <span class="p">(</span><span class="mi">7</span><span class="p">,</span> <span class="mi">4</span><span class="p">),</span> <span class="p">(</span><span class="mi">8</span><span class="p">,</span> <span class="mi">5</span><span class="p">)]</span>
-<span class="go"># node 1 is at 0 hops</span>
-<span class="go"># node 2 is at 1 hop</span>
-<span class="go"># ...</span>
-<span class="go"># node 8 is at 5 hops</span>
-</pre></div>
-</div>
-</dd></dl>
-
-</div>
-<div class="section" id="graph-statistics">
-<h2>Graph statistics<a class="headerlink" href="#graph-statistics" title="Permalink to this headline">¶</a></h2>
-<dl class="method">
-<dt id="altgraph.Graph.Graph.connected">
-<tt class="descclassname">Graph.</tt><tt class="descname">connected</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.connected" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns True iff every node in the graph can be reached from
-every other node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.Graph.Graph.clust_coef">
-<tt class="descclassname">Graph.</tt><tt class="descname">clust_coef</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.Graph.Graph.clust_coef" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns the local clustering coefficient of node.</p>
-<p>The local cluster coefficient is the proportion of the actual number
-of edges between neighbours of node and the maximum number of
-edges between those nodes.</p>
-</dd></dl>
-
-</div>
-</div>
-
-
-          </div>
-        </div>
-      </div>
-      <div class="sphinxsidebar">
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-<li><a class="reference internal" href="#"><tt class="docutils literal"><span class="pre">altgraph.Graph</span></tt> &#8212; Basic directional graphs</a><ul>
-<li><a class="reference internal" href="#node-related-methods">Node related methods</a></li>
-<li><a class="reference internal" href="#edge-related-methods">Edge related methods</a></li>
-<li><a class="reference internal" href="#graph-traversal">Graph traversal</a></li>
-<li><a class="reference internal" href="#graph-statistics">Graph statistics</a></li>
-</ul>
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-</ul>
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-            
-  <div class="section" id="module-altgraph.GraphAlgo">
-<span id="altgraph-graphalgo-graph-algorithms"></span><h1><a class="reference internal" href="#module-altgraph.GraphAlgo" title="altgraph.GraphAlgo: Basic graphs algoritms"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.GraphAlgo</span></tt></a> &#8212; Graph algorithms<a class="headerlink" href="#module-altgraph.GraphAlgo" title="Permalink to this headline">¶</a></h1>
-<dl class="function">
-<dt id="altgraph.GraphAlgo.dijkstra">
-<tt class="descclassname">altgraph.GraphAlgo.</tt><tt class="descname">dijkstra</tt><big>(</big><em>graph</em>, <em>start</em><span class="optional">[</span>, <em>end</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.GraphAlgo.dijkstra" title="Permalink to this definition">¶</a></dt>
-<dd><p>Dijkstra&#8217;s algorithm for shortest paths.</p>
-<p>Find shortest paths from the  start node to all nodes nearer
-than or equal to the <em>end</em> node. The edge data is assumed to be the edge length.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">Dijkstra&#8217;s algorithm is only guaranteed to work correctly when all edge lengths are positive.
-This code does not verify this property for all edges (only the edges examined until the end
-vertex is reached), but will correctly compute shortest paths even for some graphs with negative
-edges, and will raise an exception if it discovers that a negative edge has caused it to make a mistake.</p>
-</div>
-</dd></dl>
-
-<dl class="function">
-<dt id="altgraph.GraphAlgo.shortest_path">
-<tt class="descclassname">altgraph.GraphAlgo.</tt><tt class="descname">shortest_path</tt><big>(</big><em>graph</em>, <em>start</em>, <em>end</em><big>)</big><a class="headerlink" href="#altgraph.GraphAlgo.shortest_path" title="Permalink to this definition">¶</a></dt>
-<dd><p>Find a single shortest path from the given start node to the given end node.
-The input has the same conventions as <a class="reference internal" href="#altgraph.GraphAlgo.dijkstra" title="altgraph.GraphAlgo.dijkstra"><tt class="xref py py-func docutils literal"><span class="pre">dijkstra()</span></tt></a>. The output is a list
-of the nodes in order along the shortest path.</p>
-</dd></dl>
-
-</div>
-
-
-          </div>
-        </div>
-      </div>
-      <div class="sphinxsidebar">
-        <div class="sphinxsidebarwrapper">
-  <h4>Previous topic</h4>
-  <p class="topless"><a href="objectgraph.html"
-                        title="previous chapter"><tt class="docutils literal"><span class="pre">altgraph.ObjectGraph</span></tt> &#8212; Graphs of objecs with an identifier</a></p>
-  <h4>Next topic</h4>
-  <p class="topless"><a href="graphstat.html"
-                        title="next chapter"><tt class="docutils literal"><span class="pre">altgraph.GraphStat</span></tt> &#8212; Functions providing various graph statistics</a></p>
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diff --git a/python/altgraph/doc/_build/html/graphstat.html b/python/altgraph/doc/_build/html/graphstat.html
deleted file mode 100644
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+++ /dev/null
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-<span id="altgraph-graphstat-functions-providing-various-graph-statistics"></span><h1><a class="reference internal" href="#module-altgraph.GraphStat" title="altgraph.GraphStat: Functions providing various graph statistics"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.GraphStat</span></tt></a> &#8212; Functions providing various graph statistics<a class="headerlink" href="#module-altgraph.GraphStat" title="Permalink to this headline">¶</a></h1>
-<p>The module <a class="reference internal" href="#module-altgraph.GraphStat" title="altgraph.GraphStat: Functions providing various graph statistics"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.GraphStat</span></tt></a> provides function that calculate
-graph statistics. Currently there is only one such function, more may
-be added later.</p>
-<dl class="function">
-<dt id="altgraph.GraphStat.degree_dist">
-<tt class="descclassname">altgraph.GraphStat.</tt><tt class="descname">degree_dist</tt><big>(</big><em>graph</em><span class="optional">[</span>, <em>limits</em><span class="optional">[</span>, <em>bin_num</em><span class="optional">[</span>, <em>mode</em><span class="optional">]</span><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.GraphStat.degree_dist" title="Permalink to this definition">¶</a></dt>
-<dd><p>Groups the number of edges per node into <em>bin_num</em> bins
-and returns the list of those bins. Every item in the result
-is a tuple with the center of the bin and the number of items
-in that bin.</p>
-<p>When the <em>limits</em> argument is present it must be a tuple with
-the mininum and maximum number of edges that get binned (that
-is, when <em>limits</em> is <tt class="docutils literal"><span class="pre">(4,</span> <span class="pre">10)</span></tt> only nodes with between 4
-and 10 edges get counted.</p>
-<p>The <em>mode</em> argument is used to count incoming (<tt class="docutils literal"><span class="pre">'inc'</span></tt>) or
-outgoing (<tt class="docutils literal"><span class="pre">'out'</span></tt>) edges. The default is to count the outgoing
-edges.</p>
-</dd></dl>
-
-</div>
-
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-  <p class="topless"><a href="graphalgo.html"
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-  <h4>Next topic</h4>
-  <p class="topless"><a href="graphutil.html"
-                        title="next chapter"><tt class="docutils literal"><span class="pre">altgraph.GraphUtil</span></tt> &#8212; Utility functions</a></p>
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-  </body>
-</html>
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diff --git a/python/altgraph/doc/_build/html/graphutil.html b/python/altgraph/doc/_build/html/graphutil.html
deleted file mode 100644
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--- a/python/altgraph/doc/_build/html/graphutil.html
+++ /dev/null
@@ -1,162 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
-  "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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-  <div class="section" id="module-altgraph.GraphUtil">
-<span id="altgraph-graphutil-utility-functions"></span><h1><a class="reference internal" href="#module-altgraph.GraphUtil" title="altgraph.GraphUtil: Utility functions"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.GraphUtil</span></tt></a> &#8212; Utility functions<a class="headerlink" href="#module-altgraph.GraphUtil" title="Permalink to this headline">¶</a></h1>
-<p>The module <a class="reference internal" href="#module-altgraph.GraphUtil" title="altgraph.GraphUtil: Utility functions"><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.GraphUtil</span></tt></a> performs a number of more
-or less useful utility functions.</p>
-<dl class="function">
-<dt id="altgraph.GraphUtil.generate_random_graph">
-<tt class="descclassname">altgraph.GraphUtil.</tt><tt class="descname">generate_random_graph</tt><big>(</big><em>node_num, edge_num[, self_loops[, multi_edges]</em><big>)</big><a class="headerlink" href="#altgraph.GraphUtil.generate_random_graph" title="Permalink to this definition">¶</a></dt>
-<dd><p>Generates and returns a <a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a> instance
-with <em>node_num</em> nodes randomly connected by <em>edge_num</em> edges.</p>
-<p>When <em>self_loops</em> is present and True there can be edges that point from
-a node to itself.</p>
-<p>When <em>multi_edge</em> is present and True there can be duplicate edges.</p>
-<p>This method raises <tt class="xref py py-class docutils literal"><span class="pre">GraphError</span> <span class="pre">&lt;altgraph.GraphError</span></tt> when
-a graph with the requested configuration cannot be created.</p>
-</dd></dl>
-
-<dl class="function">
-<dt id="altgraph.GraphUtil.generate_scale_free_graph">
-<tt class="descclassname">altgraph.GraphUtil.</tt><tt class="descname">generate_scale_free_graph</tt><big>(</big><em>steps</em>, <em>growth_num</em><span class="optional">[</span>, <em>self_loops</em><span class="optional">[</span>, <em>multi_edges</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.GraphUtil.generate_scale_free_graph" title="Permalink to this definition">¶</a></dt>
-<dd><p>Generates and returns a <a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a> instance that
-will have <em>steps*growth_n um</em> nodes and a scale free (powerlaw)
-connectivity.</p>
-<p>Starting with a fully connected graph with <em>growth_num</em> nodes
-at every step <em>growth_num</em> nodes are added to the graph and are connected
-to existing nodes with a probability proportional to the degree of these
-existing nodes.</p>
-<div class="admonition warning">
-<p class="first admonition-title">Warning</p>
-<p class="last">The current implementation is basically untested, although
-code inspection seems to indicate an implementation that is consistent
-with the description at
-<a class="reference external" href="http://mathworld.wolfram.com/Scale-FreeNetwork.html">Wolfram MathWorld</a></p>
-</div>
-</dd></dl>
-
-<dl class="function">
-<dt id="altgraph.GraphUtil.filter_stack">
-<tt class="descclassname">altgraph.GraphUtil.</tt><tt class="descname">filter_stack</tt><big>(</big><em>graph</em>, <em>head</em>, <em>filters</em><big>)</big><a class="headerlink" href="#altgraph.GraphUtil.filter_stack" title="Permalink to this definition">¶</a></dt>
-<dd><p>Perform a depth-first oder walk of the graph starting at <em>head</em> and
-apply all filter functions in <em>filters</em> on the node data of the nodes
-found.</p>
-<p>Returns (<em>visited</em>, <em>removes</em>, <em>orphans</em>), where</p>
-<ul class="simple">
-<li><em>visited</em>: the set of visited nodes</li>
-<li><em>removes</em>: the list of nodes where the node data doesn&#8217;t match
-all <em>filters</em>.</li>
-<li><em>orphans</em>: list of tuples (<em>last_good</em>, <em>node</em>), where
-node is not in <em>removes</em> and one of the nodes that is connected
-by an incoming edge is in <em>removes</em>. <em>Last_good</em> is the
-closest upstream node that is not in <em>removes</em>.</li>
-</ul>
-</dd></dl>
-
-</div>
-
-
-          </div>
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-  <h4>Previous topic</h4>
-  <p class="topless"><a href="graphstat.html"
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-  <h4>Next topic</h4>
-  <p class="topless"><a href="dot.html"
-                        title="next chapter"><tt class="docutils literal"><span class="pre">altgraph.Dot</span></tt> &#8212; Interface to the dot language</a></p>
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-  </body>
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diff --git a/python/altgraph/doc/_build/html/index.html b/python/altgraph/doc/_build/html/index.html
deleted file mode 100644
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--- a/python/altgraph/doc/_build/html/index.html
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@@ -1,142 +0,0 @@
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
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-      };
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-  <div class="section" id="altgraph-a-basic-graph-library">
-<h1>Altgraph - A basic graph library<a class="headerlink" href="#altgraph-a-basic-graph-library" title="Permalink to this headline">¶</a></h1>
-<p>altgraph is a fork of graphlib: a graph (network) package for constructing
-graphs, BFS and DFS traversals, topological sort, shortest paths, etc. with
-graphviz output.</p>
-<p>The primary users of this package are <a class="reference external" href="http://pypi.python.org/pypi/macholib">macholib</a> and <a class="reference external" href="http://pypi.python.org/pypi/modulegraph">modulegraph</a>.</p>
-<div class="toctree-wrapper compound">
-<ul>
-<li class="toctree-l1"><a class="reference internal" href="changelog.html">Release history</a></li>
-<li class="toctree-l1"><a class="reference internal" href="license.html">License</a></li>
-<li class="toctree-l1"><a class="reference internal" href="core.html"><tt class="docutils literal"><span class="pre">altgraph</span></tt> &#8212; A Python Graph Library</a></li>
-<li class="toctree-l1"><a class="reference internal" href="graph.html"><tt class="docutils literal"><span class="pre">altgraph.Graph</span></tt> &#8212; Basic directional graphs</a></li>
-<li class="toctree-l1"><a class="reference internal" href="objectgraph.html"><tt class="docutils literal"><span class="pre">altgraph.ObjectGraph</span></tt> &#8212; Graphs of objecs with an identifier</a></li>
-<li class="toctree-l1"><a class="reference internal" href="graphalgo.html"><tt class="docutils literal"><span class="pre">altgraph.GraphAlgo</span></tt> &#8212; Graph algorithms</a></li>
-<li class="toctree-l1"><a class="reference internal" href="graphstat.html"><tt class="docutils literal"><span class="pre">altgraph.GraphStat</span></tt> &#8212; Functions providing various graph statistics</a></li>
-<li class="toctree-l1"><a class="reference internal" href="graphutil.html"><tt class="docutils literal"><span class="pre">altgraph.GraphUtil</span></tt> &#8212; Utility functions</a></li>
-<li class="toctree-l1"><a class="reference internal" href="dot.html"><tt class="docutils literal"><span class="pre">altgraph.Dot</span></tt> &#8212; Interface to the dot language</a></li>
-</ul>
-</div>
-<div class="section" id="online-resources">
-<h2>Online Resources<a class="headerlink" href="#online-resources" title="Permalink to this headline">¶</a></h2>
-<ul class="simple">
-<li><a class="reference external" href="http://bitbucket.org/ronaldoussoren/altgraph/">Sourcecode repository on bitbucket</a></li>
-<li><a class="reference external" href="http://bitbucket.org/ronaldoussoren/altgraph/issues">The issue tracker</a></li>
-</ul>
-</div>
-<div class="section" id="indices-and-tables">
-<h2>Indices and tables<a class="headerlink" href="#indices-and-tables" title="Permalink to this headline">¶</a></h2>
-<ul class="simple">
-<li><a class="reference internal" href="genindex.html"><em>Index</em></a></li>
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-<h1>License<a class="headerlink" href="#license" title="Permalink to this headline">¶</a></h1>
-<p>Copyright (c) 2004 Istvan Albert unless otherwise noted.</p>
-<p>Parts are copyright (c) Bob Ippolito</p>
-<p>Parts are copyright (c) 2010-2014 Ronald Oussoren</p>
-<div class="section" id="mit-license">
-<h2>MIT License<a class="headerlink" href="#mit-license" title="Permalink to this headline">¶</a></h2>
-<p>Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-and associated documentation files (the &#8220;Software&#8221;), to deal in the Software without restriction,
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-            
-  <div class="section" id="module-altgraph.ObjectGraph">
-<span id="altgraph-objectgraph-graphs-of-objecs-with-an-identifier"></span><h1><a class="reference internal" href="#module-altgraph.ObjectGraph" title="altgraph.ObjectGraph: A graph of objects that have a &quot;graphident&quot; attribute."><tt class="xref py py-mod docutils literal"><span class="pre">altgraph.ObjectGraph</span></tt></a> &#8212; Graphs of objecs with an identifier<a class="headerlink" href="#module-altgraph.ObjectGraph" title="Permalink to this headline">¶</a></h1>
-<dl class="class">
-<dt id="altgraph.ObjectGraph.ObjectGraph">
-<em class="property">class </em><tt class="descclassname">altgraph.ObjectGraph.</tt><tt class="descname">ObjectGraph</tt><big>(</big><span class="optional">[</span><em>graph</em><span class="optional">[</span>, <em>debug</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph" title="Permalink to this definition">¶</a></dt>
-<dd><p>A graph of objects that have a &#8220;graphident&#8221; attribute. The
-value of this attribute is the key for the object in the
-graph.</p>
-<p>The optional <em>graph</em> is a previously constructed
-<a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a>.</p>
-<p>The optional <em>debug</em> level controls the amount of debug output
-(see <a class="reference internal" href="#altgraph.ObjectGraph.ObjectGraph.msg" title="altgraph.ObjectGraph.ObjectGraph.msg"><tt class="xref py py-meth docutils literal"><span class="pre">msg()</span></tt></a>, <a class="reference internal" href="#altgraph.ObjectGraph.ObjectGraph.msgin" title="altgraph.ObjectGraph.ObjectGraph.msgin"><tt class="xref py py-meth docutils literal"><span class="pre">msgin()</span></tt></a> and <a class="reference internal" href="#altgraph.ObjectGraph.ObjectGraph.msgout" title="altgraph.ObjectGraph.ObjectGraph.msgout"><tt class="xref py py-meth docutils literal"><span class="pre">msgout()</span></tt></a>).</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">the altgraph library does not generate output, the
-debug attribute and message methods are present for use
-by subclasses.</p>
-</div>
-</dd></dl>
-
-<dl class="data">
-<dt id="altgraph.ObjectGraph.ObjectGraph.graph">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">graph</tt><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.graph" title="Permalink to this definition">¶</a></dt>
-<dd><p>An <a class="reference internal" href="graph.html#altgraph.Graph.Graph" title="altgraph.Graph.Graph"><tt class="xref py py-class docutils literal"><span class="pre">Graph</span></tt></a> object that contains
-the graph data.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.addNode">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">addNode</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.addNode" title="Permalink to this definition">¶</a></dt>
-<dd><p>Adds a <em>node</em> to the graph.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">re-adding a node that was previously removed
-using <a class="reference internal" href="#altgraph.ObjectGraph.ObjectGraph.removeNode" title="altgraph.ObjectGraph.ObjectGraph.removeNode"><tt class="xref py py-meth docutils literal"><span class="pre">removeNode()</span></tt></a> will reinstate the previously
-removed node.</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.createNode">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">createNode</tt><big>(</big><em>self</em>, <em>cls</em>, <em>name</em>, <em>*args</em>, <em>**kwds</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.createNode" title="Permalink to this definition">¶</a></dt>
-<dd><p>Creates a new node using <tt class="docutils literal"><span class="pre">cls(*args,</span> <span class="pre">**kwds)</span></tt> and adds that
-node using <a class="reference internal" href="#altgraph.ObjectGraph.ObjectGraph.addNode" title="altgraph.ObjectGraph.ObjectGraph.addNode"><tt class="xref py py-meth docutils literal"><span class="pre">addNode()</span></tt></a>.</p>
-<p>Returns the newly created node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.removeNode">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">removeNode</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.removeNode" title="Permalink to this definition">¶</a></dt>
-<dd><p>Removes a <em>node</em> from the graph when it exists. The <em>node</em> argument
-is either a node object, or the graphident of a node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.createReferences">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">createReferences</tt><big>(</big><em>fromnode</em>, <em>tonode</em><span class="optional">[</span>, <em>edge_data</em><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.createReferences" title="Permalink to this definition">¶</a></dt>
-<dd><p>Creates a reference from <em>fromnode</em> to <em>tonode</em>. The optional
-<em>edge_data</em> is associated with the edge.</p>
-<p><em>Fromnode</em> and <em>tonode</em> can either be node objects or the graphident
-values for nodes.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.removeReference">
-<tt class="descclassname">altgraph.ObjectGraph.</tt><tt class="descname">removeReference</tt><big>(</big><em>fromnode</em>, <em>tonode</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.removeReference" title="Permalink to this definition">¶</a></dt>
-<dd><p>Removes the reference from <em>fromnode</em> to <em>tonode</em> if it exists.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.getRawIdent">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">getRawIdent</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.getRawIdent" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns the <em>graphident</em> attribute of <em>node</em>, or the graph itself
-when <em>node</em> is <a class="reference external" href="http://docs.python.org/library/constants.html#None" title="(in Python v2.7)"><tt class="xref py py-data docutils literal"><span class="pre">None</span></tt></a>.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.getIdent">
-<tt class="descclassname">altgraph.ObjectGraph.</tt><tt class="descname">getIdent</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.getIdent" title="Permalink to this definition">¶</a></dt>
-<dd><p>Same as <tt class="xref py py-meth docutils literal"><span class="pre">getRawIdent()</span></tt>, but only if the node is part
-of the graph.</p>
-<p><em>Node</em> can either be an actual node object or the graphident of
-a node.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.findNode">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">findNode</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.findNode" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns a given node in the graph, or <tt class="xref py py-data docutils literal"><span class="pre">Node</span></tt> when it cannot
-be found.</p>
-<p><em>Node</em> is either an object with a <em>graphident</em> attribute or
-the <em>graphident</em> attribute itself.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.__contains__">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">__contains__</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.__contains__" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns True if <em>node</em> is a member of the graph. <em>Node</em> is either an
-object with a <em>graphident</em> attribute or the <em>graphident</em> attribute itself.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.flatten">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">flatten</tt><big>(</big><span class="optional">[</span><em>condition</em><span class="optional">[</span>, <em>start</em><span class="optional">]</span><span class="optional">]</span><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.flatten" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yield all nodes that are entirely reachable by <em>condition</em>
-starting fromt he given <em>start</em> node or the graph root.</p>
-<div class="admonition note">
-<p class="first admonition-title">Note</p>
-<p class="last">objects are only reachable from the graph root
-when there is a reference from the root to the node
-(either directly or through another node)</p>
-</div>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.nodes">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">nodes</tt><big>(</big><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.nodes" title="Permalink to this definition">¶</a></dt>
-<dd><p>Yield all nodes in the graph.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.get_edges">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">get_edges</tt><big>(</big><em>node</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.get_edges" title="Permalink to this definition">¶</a></dt>
-<dd><p>Returns two iterators that yield the nodes reaching by
-outgoing and incoming edges.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.filterStack">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">filterStack</tt><big>(</big><em>filters</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.filterStack" title="Permalink to this definition">¶</a></dt>
-<dd><p>Filter the ObjectGraph in-place by removing all edges to nodes that
-do not match every filter in the given filter list</p>
-<p>Returns a tuple containing the number of:
-(<em>nodes_visited</em>, <em>nodes_removed</em>, <em>nodes_orphaned</em>)</p>
-</dd></dl>
-
-<div class="section" id="debug-output">
-<h2>Debug output<a class="headerlink" href="#debug-output" title="Permalink to this headline">¶</a></h2>
-<dl class="data">
-<dt id="altgraph.ObjectGraph.ObjectGraph.debug">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">debug</tt><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.debug" title="Permalink to this definition">¶</a></dt>
-<dd><p>The current debug level.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.msg">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">msg</tt><big>(</big><em>level</em>, <em>text</em>, <em>*args</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.msg" title="Permalink to this definition">¶</a></dt>
-<dd><p>Print a debug message at the current indentation level when the current
-debug level is <em>level</em> or less.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.msgin">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">msgin</tt><big>(</big><em>level</em>, <em>text</em>, <em>*args</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.msgin" title="Permalink to this definition">¶</a></dt>
-<dd><p>Print a debug message when the current debug level is <em>level</em> or less,
-and increase the indentation level.</p>
-</dd></dl>
-
-<dl class="method">
-<dt id="altgraph.ObjectGraph.ObjectGraph.msgout">
-<tt class="descclassname">ObjectGraph.</tt><tt class="descname">msgout</tt><big>(</big><em>level</em>, <em>text</em>, <em>*args</em><big>)</big><a class="headerlink" href="#altgraph.ObjectGraph.ObjectGraph.msgout" title="Permalink to this definition">¶</a></dt>
-<dd><p>Decrease the indentation level and print a debug message when the
-current debug level is <em>level</em> or less.</p>
-</dd></dl>
-
-</div>
-</div>
-
-
-          </div>
-        </div>
-      </div>
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language"],objects:{"":{altgraph:[0,0,0,"-"]},"altgraph.Graph":{Graph:[3,2,1,""],node_data:[3,1,1,""]},"altgraph.Dot.Dot":{node_style:[9,1,1,""],style:[9,1,1,""],all_node_style:[9,1,1,""],display:[9,1,1,""]},"altgraph.Graph.Graph":{number_of_hidden_nodes:[3,1,1,""],out_edges:[3,1,1,""],inc_degree:[3,1,1,""],forw_bfs_subgraph:[3,1,1,""],edge_list:[3,1,1,""],add_node:[3,1,1,""],hidden_node_list:[3,1,1,""],iterdata:[3,1,1,""],clust_coef:[3,1,1,""],all_edges:[3,1,1,""],describe_edge:[3,1,1,""],all_degree:[3,1,1,""],get_hops:[3,1,1,""],hide_node:[3,1,1,""],out_degree:[3,1,1,""],edge_by_node:[3,1,1,""],"__contains__":[3,1,1,""],restore_edge:[3,1,1,""],describe_node:[3,1,1,""],back_topo_sort:[3,1,1,""],node_list:[3,1,1,""],forw_topo_sort:[3,1,1,""],tail:[3,1,1,""],restore_all_nodes:[3,1,1,""],all_nbrs:[3,1,1,""],restore_all_edges:[3,1,1,""],restore_node:[3,1,1,""],head:[3,1,1,""],number_of_nodes:[3,1,1,""],iterdfs:[3,1,1,""],"__iter__":[3,1,1,""],connected:[3,1,1,""],forw_bfs:[3,1,1,""],add_edge:[3,1,1,""],number_of_hidden_edges:[3,1,1,""],inc_nbrs:[3,1,1,""],out_nbrs:[3,1,1,""],hidden_edge_list:[3,1,1,""],inc_edges:[3,1,1,""],number_of_edges:[3,1,1,""],back_bfs_subgraph:[3,1,1,""],edge_data:[3,1,1,""],hide_edge:[3,1,1,""],edge_by_id:[3,1,1,""],back_bfs:[3,1,1,""]},"altgraph.GraphAlgo":{dijkstra:[5,3,1,""],shortest_path:[5,3,1,""]},altgraph:{Graph:[3,0,0,"-"],GraphStat:[4,0,0,"-"],GraphAlgo:[5,0,0,"-"],GraphUtil:[6,0,0,"-"],GraphError:[0,5,1,""],ObjectGraph:[8,0,0,"-"],Dot:[9,0,0,"-"]},"altgraph.Dot":{save_image:[9,1,1,""],save_dot:[9,1,1,""],iterdot:[9,1,1,""],"__iter__":[9,1,1,""],edge_style:[9,1,1,""],Dot:[9,2,1,""]},"altgraph.GraphStat":{degree_dist:[4,3,1,""]},"altgraph.ObjectGraph":{removeReference:[8,1,1,""],getIdent:[8,1,1,""],ObjectGraph:[8,2,1,""]},"altgraph.GraphUtil":{generate_random_graph:[6,3,1,""],generate_scale_free_graph:[6,3,1,""],filter_stack:[6,3,1,""]},"altgraph.ObjectGraph.ObjectGraph":{findNode:[8,1,1,""],createNode:[8,1,1,""],msgin:[8,1,1,""],removeNode:[8,1,1,""],addNode:[8,1,1,""],"__contains__":[8,1,1,""],graph:[8,4,1,""],createReferences:[8,1,1,""],filterStack:[8,1,1,""],msg:[8,1,1,""],flatten:[8,1,1,""],debug:[8,4,1,""],get_edges:[8,1,1,""],getRawIdent:[8,1,1,""],nodes:[8,1,1,""],msgout:[8,1,1,""]}},titleterms:{node:3,identifi:8,edg:3,graphstat:4,direct:[3,9],indic:7,tabl:7,onlin:7,histori:2,librari:[0,7],graph:[0,7,3,4,5,8,9],licens:1,custom:9,graphutil:6,valid:9,interfac:9,languag:9,basic:[3,7],method:3,updat:9,"function":[6,4],non:9,altgraph:[0,7,3,4,5,6,8,9],resourc:7,variou:4,python:0,relat:3,usag:9,util:6,objec:8,releas:2,objectgraph:8,"class":9,travers:3,algorithm:5,provid:4,graphalgo:5,mit:1,exampl:9,statist:[3,4],debug:8,output:[8,9],attribut:9,emit:9,dot:9}})
\ No newline at end of file
diff --git a/python/altgraph/doc/changelog.rst b/python/altgraph/doc/changelog.rst
deleted file mode 100644
index 02fd412d6..000000000
--- a/python/altgraph/doc/changelog.rst
+++ /dev/null
@@ -1,185 +0,0 @@
-Release history
-===============
-
-0.12
-----
-
-- Added ``ObjectGraph.edgeData`` to retrieve the edge data
-  from a specific edge.
-
-- Added ``AltGraph.update_edge_data`` and ``ObjectGraph.updateEdgeData``
-  to update the data associated with a graph edge.
-
-0.11
-----
-
-- Stabilize the order of elements in dot file exports,
-  patch from bitbucket user 'pombredanne'.
-
-- Tweak setup.py file to remove dependency on distribute (but
-  keep the dependency on setuptools)
-
-
-0.10.2
-------
-
-- There where no classifiers in the package metadata due to a bug
-  in setup.py
-
-0.10.1
-------
-
-This is a bugfix release
-
-Bug fixes:
-
-- Issue #3: The source archive contains a README.txt
-  while the setup file refers to ReadMe.txt.
-
-  This is caused by a misfeature in distutils, as a
-  workaround I've renamed ReadMe.txt to README.txt
-  in the source tree and setup file.
-
-
-0.10
------
-
-This is a minor feature release
-
-Features:
-
-- Do not use "2to3" to support Python 3.
-
-  As a side effect of this altgraph now supports
-  Python 2.6 and later, and no longer supports
-  earlier releases of Python.
-
-- The order of attributes in the Dot output
-  is now always alphabetical.
-
-  With this change the output will be consistent
-  between runs and Python versions.
-
-0.9
----
-
-This is a minor bugfix release
-
-Features:
-
-- Added ``altgraph.ObjectGraph.ObjectGraph.nodes``, a method
-  yielding all nodes in an object graph.
-
-Bugfixes:
-
-- The 0.8 release didn't work with py2app when using
-  python 3.x.
-
-
-0.8
------
-
-This is a minor feature release. The major new feature
-is a extensive set of unittests, which explains almost
-all other changes in this release.
-
-Bugfixes:
-
-- Installing failed with Python 2.5 due to using a distutils
-  class that isn't available in that version of Python
-  (issue #1 on the issue tracker)
-
-- ``altgraph.GraphStat.degree_dist`` now actually works
-
-- ``altgraph.Graph.add_edge(a, b, create_nodes=False)`` will
-  no longer create the edge when one of the nodes doesn't
-  exist.
-
-- ``altgraph.Graph.forw_topo_sort`` failed for some sparse graphs.
-
-- ``altgraph.Graph.back_topo_sort`` was completely broken in
-  previous releases.
-
-- ``altgraph.Graph.forw_bfs_subgraph`` now actually works.
-
-- ``altgraph.Graph.back_bfs_subgraph`` now actually works.
-
-- ``altgraph.Graph.iterdfs`` now returns the correct result
-  when the ``forward`` argument is ``False``.
-
-- ``altgraph.Graph.iterdata`` now returns the correct result
-  when the ``forward`` argument is ``False``.
-
-
-Features:
-
-- The ``altgraph.Graph`` constructor now accepts an argument
-  that contains 2- and 3-tuples instead of requireing that
-  all items have the same size. The (optional) argument can now
-  also be any iterator.
-
-- ``altgraph.Graph.Graph.add_node`` has no effect when you
-  add a hidden node.
-
-- The private method ``altgraph.Graph._bfs`` is no longer
-  present.
-
-- The private method ``altgraph.Graph._dfs`` is no longer
-  present.
-
-- ``altgraph.ObjectGraph`` now has a ``__contains__`` methods,
-  which means you can use the ``in`` operator to check if a
-  node is part of a graph.
-
-- ``altgraph.GraphUtil.generate_random_graph`` will raise
-  ``GraphError`` instead of looping forever when it is
-  impossible to create the requested graph.
-
-- ``altgraph.Dot.edge_style`` raises ``GraphError`` when
-  one of the nodes is not present in the graph. The method
-  silently added the tail in the past, but without ensuring
-  a consistent graph state.
-
-- ``altgraph.Dot.save_img`` now works when the mode is
-  ``"neato"``.
-
-0.7.2
------
-
-This is a minor bugfix release
-
-Bugfixes:
-
-- distutils didn't include the documentation subtree
-
-0.7.1
------
-
-This is a minor feature release
-
-Features:
-
-- Documentation is now generated using `sphinx <http://pypi.python.org/pypi/sphinx>`_
-  and can be viewed at <http://packages.python.org/altgraph>.
-
-- The repository has moved to bitbucket
-
-- ``altgraph.GraphStat.avg_hops`` is no longer present, the function had no
-  implementation and no specified behaviour.
-
-- the module ``altgraph.compat`` is gone, which means altgraph will no
-  longer work with Python 2.3.
-
-
-0.7.0
------
-
-This is a minor feature release.
-
-Features:
-
-- Support for Python 3
-
-- It is now possible to run tests using 'python setup.py test'
-
-  (The actual testsuite is still very minimal though)
diff --git a/python/altgraph/doc/conf.py b/python/altgraph/doc/conf.py
deleted file mode 100644
index cd3fd9912..000000000
--- a/python/altgraph/doc/conf.py
+++ /dev/null
@@ -1,209 +0,0 @@
-# -*- coding: utf-8 -*-
-#
-# altgraph documentation build configuration file, created by
-# sphinx-quickstart on Tue Aug 31 11:04:49 2010.
-#
-# This file is execfile()d with the current directory set to its containing dir.
-#
-# Note that not all possible configuration values are present in this
-# autogenerated file.
-#
-# All configuration values have a default; values that are commented out
-# serve to show the default.
-
-import sys, os
-
-def get_version():
-    fn = os.path.join(
-            os.path.dirname(os.path.dirname(os.path.abspath(__file__))),
-            'setup.cfg')
-    for ln in open(fn):
-        if ln.startswith('version'):
-            version = ln.split('=')[-1].strip()
-            return version
-
-# If extensions (or modules to document with autodoc) are in another directory,
-# add these directories to sys.path here. If the directory is relative to the
-# documentation root, use os.path.abspath to make it absolute, like shown here.
-#sys.path.append(os.path.abspath('.'))
-sys.path.insert(0,
-        os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
-
-# -- General configuration -----------------------------------------------------
-
-# Add any Sphinx extension module names here, as strings. They can be extensions
-# coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
-extensions = ['sphinx.ext.intersphinx', 'sphinx.ext.todo', 'sphinx.ext.autodoc' ]
-
-# Add any paths that contain templates here, relative to this directory.
-templates_path = ['_templates']
-
-# The suffix of source filenames.
-source_suffix = '.rst'
-
-# The encoding of source files.
-#source_encoding = 'utf-8'
-
-# The master toctree document.
-master_doc = 'index'
-
-# General information about the project.
-project = u'altgraph'
-copyright = u'2010-2011, Ronald Oussoren, Bob Ippolito, 2004 Istvan Albert'
-
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = get_version()
-# The full version, including alpha/beta/rc tags.
-release = version
-
-# The language for content autogenerated by Sphinx. Refer to documentation
-# for a list of supported languages.
-#language = None
-
-# There are two options for replacing |today|: either, you set today to some
-# non-false value, then it is used:
-#today = ''
-# Else, today_fmt is used as the format for a strftime call.
-#today_fmt = '%B %d, %Y'
-
-# List of documents that shouldn't be included in the build.
-#unused_docs = []
-
-# List of directories, relative to source directory, that shouldn't be searched
-# for source files.
-exclude_trees = ['_build']
-
-# The reST default role (used for this markup: `text`) to use for all documents.
-#default_role = None
-
-# If true, '()' will be appended to :func: etc. cross-reference text.
-#add_function_parentheses = True
-
-# If true, the current module name will be prepended to all description
-# unit titles (such as .. function::).
-#add_module_names = True
-
-# If true, sectionauthor and moduleauthor directives will be shown in the
-# output. They are ignored by default.
-#show_authors = False
-
-# The name of the Pygments (syntax highlighting) style to use.
-pygments_style = 'sphinx'
-
-# A list of ignored prefixes for module index sorting.
-#modindex_common_prefix = []
-
-
-# -- Options for HTML output ---------------------------------------------------
-
-# The theme to use for HTML and HTML Help pages.  Major themes that come with
-# Sphinx are currently 'default' and 'sphinxdoc'.
-html_theme = 'nature'
-
-# Theme options are theme-specific and customize the look and feel of a theme
-# further.  For a list of options available for each theme, see the
-# documentation.
-#html_theme_options = {}
-
-# Add any paths that contain custom themes here, relative to this directory.
-#html_theme_path = []
-
-# The name for this set of Sphinx documents.  If None, it defaults to
-# "<project> v<release> documentation".
-#html_title = None
-
-# A shorter title for the navigation bar.  Default is the same as html_title.
-#html_short_title = None
-
-# The name of an image file (relative to this directory) to place at the top
-# of the sidebar.
-#html_logo = None
-
-# The name of an image file (within the static path) to use as favicon of the
-# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
-# pixels large.
-#html_favicon = None
-
-# Add any paths that contain custom static files (such as style sheets) here,
-# relative to this directory. They are copied after the builtin static files,
-# so a file named "default.css" will overwrite the builtin "default.css".
-html_static_path = ['_static']
-
-# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
-# using the given strftime format.
-#html_last_updated_fmt = '%b %d, %Y'
-
-# If true, SmartyPants will be used to convert quotes and dashes to
-# typographically correct entities.
-#html_use_smartypants = True
-
-# Custom sidebar templates, maps document names to template names.
-#html_sidebars = {}
-
-# Additional templates that should be rendered to pages, maps page names to
-# template names.
-#html_additional_pages = {}
-
-# If false, no module index is generated.
-#html_use_modindex = True
-
-# If false, no index is generated.
-#html_use_index = True
-
-# If true, the index is split into individual pages for each letter.
-#html_split_index = False
-
-# If true, links to the reST sources are added to the pages.
-html_show_sourcelink = False
-
-# If true, an OpenSearch description file will be output, and all pages will
-# contain a <link> tag referring to it.  The value of this option must be the
-# base URL from which the finished HTML is served.
-#html_use_opensearch = ''
-
-# If nonempty, this is the file name suffix for HTML files (e.g. ".xhtml").
-#html_file_suffix = ''
-
-# Output file base name for HTML help builder.
-htmlhelp_basename = 'altgraphdoc'
-
-
-# -- Options for LaTeX output --------------------------------------------------
-
-# The paper size ('letter' or 'a4').
-#latex_paper_size = 'letter'
-
-# The font size ('10pt', '11pt' or '12pt').
-#latex_font_size = '10pt'
-
-# Grouping the document tree into LaTeX files. List of tuples
-# (source start file, target name, title, author, documentclass [howto/manual]).
-latex_documents = [
-  ('index', 'altgraph.tex', u'altgraph Documentation',
-   u'Ronald Oussoren', 'manual'),
-]
-
-# The name of an image file (relative to this directory) to place at the top of
-# the title page.
-#latex_logo = None
-
-# For "manual" documents, if this is true, then toplevel headings are parts,
-# not chapters.
-#latex_use_parts = False
-
-# Additional stuff for the LaTeX preamble.
-#latex_preamble = ''
-
-# Documents to append as an appendix to all manuals.
-#latex_appendices = []
-
-# If false, no module index is generated.
-#latex_use_modindex = True
-
-
-# Example configuration for intersphinx: refer to the Python standard library.
-intersphinx_mapping = {'python': ('http://docs.python.org/', None) }
diff --git a/python/altgraph/doc/core.rst b/python/altgraph/doc/core.rst
deleted file mode 100644
index 8288f6a94..000000000
--- a/python/altgraph/doc/core.rst
+++ /dev/null
@@ -1,26 +0,0 @@
-:mod:`altgraph` --- A Python Graph Library
-==================================================
-
-.. module:: altgraph
-   :synopsis: A directional graph for python
-
-altgraph is a fork of `graphlib <http://pygraphlib.sourceforge.net>`_ tailored
-to use newer Python 2.3+ features, including additional support used by the
-py2app suite (modulegraph and macholib, specifically).
-
-altgraph is a python based graph (network) representation and manipulation package.
-It has started out as an extension to the `graph_lib module <http://www.ece.arizona.edu/~denny/python_nest/graph_lib_1.0.1.html>`_
-written by Nathan Denny it has been significantly optimized and expanded.
-
-The :class:`altgraph.Graph.Graph` class is loosely modeled after the `LEDA <http://www.algorithmic-solutions.com/enleda.htm>`_ 
-(Library of Efficient Datatypes)  representation. The library
-includes methods for constructing graphs, BFS and DFS traversals,
-topological sort, finding connected components, shortest paths as well as a number
-graph statistics functions. The library can also visualize graphs
-via `graphviz <http://www.research.att.com/sw/tools/graphviz/>`_.
-
-
-.. exception:: GraphError
-
-   Exception raised when methods are called with bad values of
-   an inconsistent state.
diff --git a/python/altgraph/doc/dot.rst b/python/altgraph/doc/dot.rst
deleted file mode 100644
index 3848c488a..000000000
--- a/python/altgraph/doc/dot.rst
+++ /dev/null
@@ -1,224 +0,0 @@
-:mod:`altgraph.Dot` --- Interface to the dot language
-=====================================================
-
-.. module:: altgraph.Dot
-   :synopsis: Interface to the dot language as used by Graphviz..
-
-The :py:mod:`~altgraph.Dot` module provides a simple interface to the
-file format used in the `graphviz`_ program. The module is intended to 
-offload the most tedious part of the process (the **dot** file generation) 
-while transparently exposing most of its features.
-
-.. _`graphviz`: <http://www.research.att.com/sw/tools/graphviz/>`_
-
-To display the graphs or to generate image files the `graphviz`_
-package needs to be installed on the system, moreover the :command:`dot` and :command:`dotty` programs must
-be accesible in the program path so that they can be ran from processes spawned
-within the module. 
-
-Example usage
--------------
-
-Here is a typical usage::
-
-    from altgraph import Graph, Dot
-
-    # create a graph
-    edges = [ (1,2), (1,3), (3,4), (3,5), (4,5), (5,4) ]
-    graph = Graph.Graph(edges)
-    
-    # create a dot representation of the graph
-    dot = Dot.Dot(graph)
-
-    # display the graph
-    dot.display()
-
-    # save the dot representation into the mydot.dot file
-    dot.save_dot(file_name='mydot.dot')
-
-    # save dot file as gif image into the graph.gif file
-    dot.save_img(file_name='graph', file_type='gif')
-
-
-Directed graph and non-directed graph
--------------------------------------
-
-Dot class can use for both directed graph and non-directed graph
-by passing *graphtype* parameter.
-
-Example::
-
-    # create directed graph(default)
-    dot = Dot.Dot(graph, graphtype="digraph")
-
-    # create non-directed graph
-    dot = Dot.Dot(graph, graphtype="graph")
-
-
-Customizing the output
-----------------------
-
-The graph drawing process may be customized by passing
-valid :command:`dot` parameters for the nodes and edges. For a list of all
-parameters see the `graphviz`_ documentation.
-
-Example::
-
-    # customizing the way the overall graph is drawn
-    dot.style(size='10,10', rankdir='RL', page='5, 5' , ranksep=0.75)
-
-    # customizing node drawing
-    dot.node_style(1, label='BASE_NODE',shape='box', color='blue' )
-    dot.node_style(2, style='filled', fillcolor='red')
-
-    # customizing edge drawing
-    dot.edge_style(1, 2, style='dotted')
-    dot.edge_style(3, 5, arrowhead='dot', label='binds', labelangle='90')
-    dot.edge_style(4, 5, arrowsize=2, style='bold')
-
-
-    .. note:: 
-       
-       dotty (invoked via :py:func:`~altgraph.Dot.display`) may not be able to
-       display all graphics styles. To verify the output save it to an image 
-       file and look at it that way.
-
-Valid attributes
-----------------
-
-- dot styles, passed via the :py:meth:`Dot.style` method::
-
-    rankdir = 'LR'   (draws the graph horizontally, left to right)
-    ranksep = number (rank separation in inches)
-
-- node attributes, passed via the :py:meth:`Dot.node_style` method::
-
-     style = 'filled' | 'invisible' | 'diagonals' | 'rounded'
-     shape = 'box' | 'ellipse' | 'circle' | 'point' | 'triangle'
-
-- edge attributes, passed via the :py:meth:`Dot.edge_style` method::
-
-     style     = 'dashed' | 'dotted' | 'solid' | 'invis' | 'bold'
-     arrowhead = 'box' | 'crow' | 'diamond' | 'dot' | 'inv' | 'none' | 'tee' | 'vee'
-     weight    = number (the larger the number the closer the nodes will be)
-
-- valid `graphviz colors <http://www.research.att.com/~erg/graphviz/info/colors.html>`_
-
-- for more details on how to control the graph drawing process see the 
-  `graphviz reference <http://www.research.att.com/sw/tools/graphviz/refs.html>`_.
-
-
-Class interface
----------------
-
-.. class:: Dot(graph[, nodes[, edgefn[, nodevisitor[, edgevisitor[, name[, dot[, dotty[, neato[, graphtype]]]]]]]]])
-
-  Creates a new Dot generator based on the specified 
-  :class:`Graph <altgraph.Graph.Graph>`.  The Dot generator won't reference
-  the *graph* once it is constructed.
-
-  If the *nodes* argument is present it is the list of nodes to include
-  in the graph, otherwise all nodes in *graph* are included.
-  
-  If the *edgefn* argument is present it is a function that yields the
-  nodes connected to another node, this defaults to 
-  :meth:`graph.out_nbr <altgraph.Graph.Graph.out_nbr>`. The constructor won't
-  add edges to the dot file unless both the head and tail of the edge
-  are in *nodes*.
-
-  If the *name* is present it specifies the name of the graph in the resulting
-  dot file. The default is ``"G"``.
-
-  The functions *nodevisitor* and *edgevisitor* return the default style
-  for a given edge or node (both default to functions that return an empty
-  style).
-
-  The arguments *dot*, *dotty* and *neato* are used to pass the path to 
-  the corresponding `graphviz`_ command.
-
-
-Updating graph attributes
-.........................
-
-.. method:: Dot.style(\**attr)
-
-   Sets the overall style (graph attributes) to the given attributes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.node_style(node, \**attr)
-
-   Sets the style for *node* to the given attributes.
-
-   This method will add *node* to the graph when it isn't already 
-   present.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-.. method:: Dot.all_node_style(\**attr)
-
-   Replaces the current style for all nodes
-
-
-.. method:: edge_style(head, tail, \**attr)
-
-   Sets the style of an edge to the given attributes. The edge will
-   be added to the graph when it isn't already present, but *head*
-   and *tail* must both be valid nodes.
-
-   See `Valid Attributes`_ for more information about the attributes.
-
-
-
-Emitting output
-...............
-
-.. method:: Dot.display([mode])
-
-   Displays the current graph via dotty.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   This method won't return until the dotty command exits.
-
-.. method:: save_dot(filename)
-
-   Saves the current graph representation into the given file.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       into a fixed filename (present in the attribute :data:`Graph.temp_dot`).
-
-       This feature is deprecated and should not be used.
-
-
-.. method:: save_image(file_name[, file_type[, mode]])
-
-   Saves the current graph representation as an image file. The output
-   is written into a file whose basename is *file_name* and whose suffix
-   is *file_type*.
-
-   The *file_type* specifies the type of file to write, the default
-   is ``"gif"``.
-
-   If the *mode* is ``"neato"`` the dot file is processed with
-   the neato command before displaying.
-
-   .. note::
-
-       For backward compatibility reasons this method can also
-       be called without an argument, it will then write the graph
-       with a fixed basename (``"out"``).
-
-       This feature is deprecated and should not be used.
-
-.. method:: iterdot()
-
-   Yields all lines of a `graphviz`_ input file (including line endings).
-
-.. method:: __iter__()
-
-   Alias for the :meth:`iterdot` method.
diff --git a/python/altgraph/doc/graph.rst b/python/altgraph/doc/graph.rst
deleted file mode 100644
index 502a2186a..000000000
--- a/python/altgraph/doc/graph.rst
+++ /dev/null
@@ -1,305 +0,0 @@
-:mod:`altgraph.Graph` --- Basic directional graphs
-==================================================
-
-.. module:: altgraph.Graph
-   :synopsis: Basic directional graphs.
-
-The module :mod:`altgraph.Graph` provides a class :class:`Graph` that
-represents a directed graph with *N* nodes and *E* edges.
-
-.. class:: Graph([edges])
-
-  Constructs a new empty :class:`Graph` object. If the optional
-  *edges* parameter is supplied, updates the graph by adding the
-  specified edges.
-
-  All of the elements in *edges* should be tuples with two or three
-  elements. The first two elements of the tuple are the source and
-  destination node of the edge, the optional third element is the
-  edge data.  The source and destination nodes are added to the graph
-  when the aren't already present.
-
-
-Node related methods
---------------------
-
-.. method:: Graph.add_node(node[, node_data])
-
-   Adds a new node to the graph if it is not already present. The new
-   node must be a hashable object.
-
-   Arbitrary data can be attached to the node via the optional *node_data*
-   argument.
-
-   .. note:: the node also won't be added to the graph when it is
-      present but currently hidden.
-
-
-.. method:: Graph.hide_node(node)
-
-   Hides a *node* from the graph. The incoming and outgoing edges of
-   the node will also be hidden.
-
-   Raises :class:`altgraph.GraphError` when the node is not (visible)
-   node of the graph.
-
-
-.. method:: Graph.restore_node(node)
-
-   Restores a previously hidden *node*. The incoming and outgoing
-   edges of the node are also restored.
-
-   Raises :class:`altgraph.GraphError` when the node is not a hidden
-   node of the graph.
-
-.. method:: Graph.restore_all_nodes()
-
-   Restores all hidden nodes.
-
-.. method:: Graph.number_of_nodes()
-
-   Return the number of visible nodes in the graph.
-
-.. method:: Graph.number_of_hidden_nodes()
-
-   Return the number of hidden nodes in the graph.
-
-.. method:: Graph.node_list()
-
-   Return a list with all visible nodes in the graph.
-
-.. method:: Graph.hidden_node_list()
-
-   Return a list with all hidden nodes in the graph.
-
-.. method:: node_data(node)
-
-   Return the data associated with the *node* when it was
-   added.
-
-.. method:: Graph.describe_node(node)
-
-   Returns *node*, the node's data and the lists of outgoing
-   and incoming edges for the node.
-
-   .. note::
-
-      the edge lists should not be modified, doing so
-      can result in unpredicatable behavior.
-
-.. method:: Graph.__contains__(node)
-
-   Returns True iff *node* is a node in the graph. This
-   method is accessed through the *in* operator.
-
-.. method:: Graph.__iter__()
-
-   Yield all nodes in the graph.
-
-.. method:: Graph.out_edges(node)
-
-   Return the list of outgoing edges for *node*
-
-.. method:: Graph.inc_edges(node)
-
-   Return the list of incoming edges for *node*
-
-.. method:: Graph.all_edges(node)
-
-   Return the list of incoming and outgoing edges for *node*
-
-.. method:: Graph.out_degree(node)
-
-   Return the number of outgoing edges for *node*.
-
-.. method:: Graph.inc_degree(node)
-
-   Return the number of incoming edges for *node*.
-
-.. method:: Graph.all_degree(node)
-
-   Return the number of edges (incoming or outgoing) for *node*.
-
-Edge related methods
---------------------
-
-.. method:: Graph.add_edge(head_id, tail_id [, edge data [, create_nodes]])
-
-   Adds a directed edge from *head_id* to *tail_id*. Arbitrary data can
-   be added via *edge_data*.  When *create_nodes* is *True* (the default),
-   *head_id* and *tail_id* will be added to the graph when the aren't
-   already present.
-
-.. method:: Graph.hide_edge(edge)
-
-   Hides an edge from the graph. The edge may be unhidden at some later
-   time.
-
-.. method:: Graph.restore_edge(edge)
-
-   Restores a previously hidden *edge*.
-
-.. method:: Graph.restore_all_edges()
-
-   Restore all edges that were hidden before, except for edges
-   referring to hidden nodes.
-
-.. method:: Graph.edge_by_node(head, tail)
-
-   Return the edge ID for an edge from *head* to *tail*,
-   or :data:`None` when no such edge exists.
-
-.. method:: Graph.edge_by_id(edge)
-
-   Return the head and tail of the *edge*
-
-.. method:: Graph.edge_data(edge)
-
-   Return the data associated with the *edge*.
-
-.. method:: Graph.update_edge_data(edge, data)
-
-   Replace the edge data for *edge* by *data*. Raises
-   :exc:`KeyError` when the edge does not exist.
-
-   .. versionadded:: 0.12
-
-.. method:: Graph.head(edge)
-
-   Return the head of an *edge*
-
-.. method:: Graph.tail(edge)
-
-   Return the tail of an *edge*
-
-.. method:: Graph.describe_edge(edge)
-
-   Return the *edge*, the associated data, its head and tail.
-
-.. method:: Graph.number_of_edges()
-
-   Return the number of visible edges.
-
-.. method:: Graph.number_of_hidden_edges()
-
-   Return the number of hidden edges.
-
-.. method:: Graph.edge_list()
-
-   Returns a list with all visible edges in the graph.
-
-.. method:: Graph.hidden_edge_list()
-
-   Returns a list with all hidden edges in the graph.
-
-Graph traversal
----------------
-
-.. method:: Graph.out_nbrs(node)
-
-   Return a list of all nodes connected by outgoing edges.
-
-.. method:: Graph.inc_nbrs(node)
-
-   Return a list of all nodes connected by incoming edges.
-
-.. method:: Graph.all_nbrs(node)
-
-   Returns a list of nodes connected by an incoming or outgoing edge.
-
-.. method:: Graph.forw_topo_sort()
-
-   Return a list of nodes where the successors (based on outgoing
-   edges) of any given node apear in the sequence after that node.
-
-.. method:: Graph.back_topo_sort()
-
-   Return a list of nodes where the successors (based on incoming
-   edges) of any given node apear in the sequence after that node.
-
-.. method:: Graph.forw_bfs_subgraph(start_id)
-
-   Return a subgraph consisting of the breadth first
-   reachable nodes from *start_id* based on their outgoing edges.
-
-
-.. method:: Graph.back_bfs_subgraph(start_id)
-
-   Return a subgraph consisting of the breadth first
-   reachable nodes from *start_id* based on their incoming edges.
-
-.. method:: Graph.iterdfs(start[, end[, forward]])
-
-   Yield nodes in a depth first traversal starting at the *start*
-   node.
-
-   If *end* is specified traversal stops when reaching that node.
-
-   If forward is True (the default) edges are traversed in forward
-   direction, otherwise they are traversed in reverse direction.
-
-.. method:: Graph.iterdata(start[, end[, forward[, condition]]])
-
-   Yield the associated data for nodes in a depth first traversal
-   starting at the *start* node. This method will not yield values for nodes
-   without associated data.
-
-   If *end* is specified traversal stops when reaching that node.
-
-   If *condition* is specified and the condition callable returns
-   False for the associated data this method will not yield the
-   associated data and will not follow the edges for the node.
-
-   If forward is True (the default) edges are traversed in forward
-   direction, otherwise they are traversed in reverse direction.
-
-.. method:: Graph.forw_bfs(start[, end])
-
-   Returns a list of nodes starting at *start* in some bread first
-   search order (following outgoing edges).
-
-   When *end* is specified iteration stops at that node.
-
-.. method:: Graph.back_bfs(start[, end])
-
-   Returns a list of nodes starting at *start* in some bread first
-   search order (following incoming edges).
-
-   When *end* is specified iteration stops at that node.
-
-.. method:: Graph.get_hops(start[, end[, forward]])
-
-   Computes the hop distance to all nodes centered around a specified node.
-
-   First order neighbours are at hop 1, their neigbours are at hop 2 etc.
-   Uses :py:meth:`forw_bfs` or :py:meth:`back_bfs` depending on the value of
-   the forward parameter.
-
-   If the distance between all neighbouring nodes is 1 the hop number
-   corresponds to the shortest distance between the nodes.
-
-   Typical usage::
-
-        >>> print graph.get_hops(1, 8)
-        >>> [(1, 0), (2, 1), (3, 1), (4, 2), (5, 3), (7, 4), (8, 5)]
-        # node 1 is at 0 hops
-        # node 2 is at 1 hop
-        # ...
-        # node 8 is at 5 hops
-
-
-Graph statistics
-----------------
-
-.. method:: Graph.connected()
-
-   Returns True iff every node in the graph can be reached from
-   every other node.
-
-.. method:: Graph.clust_coef(node)
-
-   Returns the local clustering coefficient of node.
-
-   The local cluster coefficient is the proportion of the actual number
-   of edges between neighbours of node and the maximum number of
-   edges between those nodes.
diff --git a/python/altgraph/doc/graphalgo.rst b/python/altgraph/doc/graphalgo.rst
deleted file mode 100644
index 84d492f44..000000000
--- a/python/altgraph/doc/graphalgo.rst
+++ /dev/null
@@ -1,26 +0,0 @@
-:mod:`altgraph.GraphAlgo` --- Graph algorithms
-==================================================
-
-.. module:: altgraph.GraphAlgo
-   :synopsis: Basic graphs algoritms
-
-.. function:: dijkstra(graph, start[, end])
-
-   Dijkstra's algorithm for shortest paths.
-
-   Find shortest paths from the  start node to all nodes nearer 
-   than or equal to the *end* node. The edge data is assumed to be the edge length.
-
-   .. note::
-
-       Dijkstra's algorithm is only guaranteed to work correctly when all edge lengths are positive.
-       This code does not verify this property for all edges (only the edges examined until the end
-       vertex is reached), but will correctly compute shortest paths even for some graphs with negative
-       edges, and will raise an exception if it discovers that a negative edge has caused it to make a mistake.
-
-
-.. function:: shortest_path(graph, start, end)
-
-   Find a single shortest path from the given start node to the given end node.
-   The input has the same conventions as :func:`dijkstra`. The output is a list 
-   of the nodes in order along the shortest path.
diff --git a/python/altgraph/doc/graphstat.rst b/python/altgraph/doc/graphstat.rst
deleted file mode 100644
index 0931a12dd..000000000
--- a/python/altgraph/doc/graphstat.rst
+++ /dev/null
@@ -1,25 +0,0 @@
-:mod:`altgraph.GraphStat` --- Functions providing various graph statistics
-==========================================================================
-
-.. module:: altgraph.GraphStat
-   :synopsis: Functions providing various graph statistics
-
-The module :mod:`altgraph.GraphStat` provides function that calculate
-graph statistics. Currently there is only one such function, more may
-be added later.
-
-.. function:: degree_dist(graph[, limits[, bin_num[, mode]]])
-
-   Groups the number of edges per node into *bin_num* bins
-   and returns the list of those bins. Every item in the result
-   is a tuple with the center of the bin and the number of items
-   in that bin.
-
-   When the *limits* argument is present it must be a tuple with
-   the mininum and maximum number of edges that get binned (that
-   is, when *limits* is ``(4, 10)`` only nodes with between 4
-   and 10 edges get counted.
-
-   The *mode* argument is used to count incoming (``'inc'``) or
-   outgoing (``'out'``) edges. The default is to count the outgoing
-   edges.
diff --git a/python/altgraph/doc/graphutil.rst b/python/altgraph/doc/graphutil.rst
deleted file mode 100644
index c07836df8..000000000
--- a/python/altgraph/doc/graphutil.rst
+++ /dev/null
@@ -1,55 +0,0 @@
-:mod:`altgraph.GraphUtil` --- Utility functions
-================================================
-
-.. module:: altgraph.GraphUtil
-   :synopsis: Utility functions
-
-The module :mod:`altgraph.GraphUtil` performs a number of more
-or less useful utility functions.
-
-.. function:: generate_random_graph(node_num, edge_num[, self_loops[, multi_edges])
-
-   Generates and returns a :class:`Graph <altgraph.Graph.Graph>` instance
-   with *node_num* nodes randomly connected by *edge_num* edges.
-
-   When *self_loops* is present and True there can be edges that point from
-   a node to itself.
-
-   When *multi_edge* is present and True there can be duplicate edges.
-
-   This method raises :class:`GraphError <altgraph.GraphError` when
-   a graph with the requested configuration cannot be created.
-
-.. function:: generate_scale_free_graph(steps, growth_num[, self_loops[, multi_edges]])
-
-    Generates and returns a :py:class:`~altgraph.Graph.Graph` instance that 
-    will have *steps*growth_n um* nodes and a scale free (powerlaw) 
-    connectivity. 
-    
-    Starting with a fully connected graph with *growth_num* nodes
-    at every step *growth_num* nodes are added to the graph and are connected 
-    to existing nodes with a probability proportional to the degree of these 
-    existing nodes.
-
-    .. warning:: The current implementation is basically untested, although
-       code inspection seems to indicate an implementation that is consistent
-       with the description at 
-       `Wolfram MathWorld <http://mathworld.wolfram.com/Scale-FreeNetwork.html>`_
-
-.. function:: filter_stack(graph, head, filters)
-
-   Perform a depth-first oder walk of the graph starting at *head* and
-   apply all filter functions in *filters* on the node data of the nodes
-   found.
-
-   Returns (*visited*, *removes*, *orphans*), where
-
-   * *visited*: the set of visited nodes
-
-   * *removes*: the list of nodes where the node data doesn't match
-     all *filters*.
-
-   * *orphans*: list of tuples (*last_good*, *node*), where 
-     node is not in *removes* and one of the nodes that is connected
-     by an incoming edge is in *removes*. *Last_good* is the
-     closest upstream node that is not in *removes*.
diff --git a/python/altgraph/doc/index.rst b/python/altgraph/doc/index.rst
deleted file mode 100644
index 1e8d504ed..000000000
--- a/python/altgraph/doc/index.rst
+++ /dev/null
@@ -1,41 +0,0 @@
-.. altgraph documentation master file, created by
-   sphinx-quickstart on Tue Aug 31 11:04:49 2010.
-   You can adapt this file completely to your liking, but it should at least
-   contain the root `toctree` directive.
-
-Altgraph - A basic graph library
-================================
-
-altgraph is a fork of graphlib: a graph (network) package for constructing
-graphs, BFS and DFS traversals, topological sort, shortest paths, etc. with
-graphviz output.
-
-The primary users of this package are `macholib <http://pypi.python.org/pypi/macholib>`_ and `modulegraph <http://pypi.python.org/pypi/modulegraph>`_.
-
-.. toctree::
-   :maxdepth: 1
-
-   changelog
-   license
-   core
-   graph
-   objectgraph
-   graphalgo
-   graphstat
-   graphutil
-   dot
-
-Online Resources
-----------------
-
-* `Sourcecode repository on bitbucket <http://bitbucket.org/ronaldoussoren/altgraph/>`_
-
-* `The issue tracker <http://bitbucket.org/ronaldoussoren/altgraph/issues>`_
-
-Indices and tables
-------------------
-
-* :ref:`genindex`
-* :ref:`modindex`
-* :ref:`search`
-
diff --git a/python/altgraph/doc/license.rst b/python/altgraph/doc/license.rst
deleted file mode 100644
index 498e60be0..000000000
--- a/python/altgraph/doc/license.rst
+++ /dev/null
@@ -1,25 +0,0 @@
-License
-=======
-
-Copyright (c) 2004 Istvan Albert unless otherwise noted.
-
-Parts are copyright (c) Bob Ippolito
-
-Parts are copyright (c) 2010-2014 Ronald Oussoren
-
-MIT License
-...........
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software
-and associated documentation files (the "Software"), to deal in the Software without restriction,
-including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
-and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do
-so.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
-INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
-PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
-FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
-ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
-
diff --git a/python/altgraph/doc/objectgraph.rst b/python/altgraph/doc/objectgraph.rst
deleted file mode 100644
index e3df396b1..000000000
--- a/python/altgraph/doc/objectgraph.rst
+++ /dev/null
@@ -1,146 +0,0 @@
-:mod:`altgraph.ObjectGraph` --- Graphs of objecs with an identifier
-===================================================================
-
-.. module:: altgraph.ObjectGraph
-   :synopsis: A graph of objects that have a "graphident" attribute.
-
-.. class:: ObjectGraph([graph[, debug]])
-
-   A graph of objects that have a "graphident" attribute. The
-   value of this attribute is the key for the object in the
-   graph.
-
-   The optional *graph* is a previously constructed
-   :class:`Graph <altgraph.Graph.Graph>`.
-
-   The optional *debug* level controls the amount of debug output
-   (see :meth:`msg`, :meth:`msgin` and :meth:`msgout`).
-
-   .. note:: the altgraph library does not generate output, the
-      debug attribute and message methods are present for use
-      by subclasses.
-
-.. data:: ObjectGraph.graph
-
-   An :class:`Graph <altgraph.Graph.Graph>` object that contains
-   the graph data.
-
-
-.. method:: ObjectGraph.addNode(node)
-
-   Adds a *node* to the graph.
-
-   .. note:: re-adding a node that was previously removed
-      using :meth:`removeNode` will reinstate the previously
-      removed node.
-
-.. method:: ObjectGraph.createNode(self, cls, name, \*args, \**kwds)
-
-   Creates a new node using ``cls(*args, **kwds)`` and adds that
-   node using :meth:`addNode`.
-
-   Returns the newly created node.
-
-.. method:: ObjectGraph.removeNode(node)
-
-   Removes a *node* from the graph when it exists. The *node* argument
-   is either a node object, or the graphident of a node.
-
-.. method:: ObjectGraph.createReferences(fromnode, tonode[, edge_data])
-
-   Creates a reference from *fromnode* to *tonode*. The optional
-   *edge_data* is associated with the edge.
-
-   *Fromnode* and *tonode* can either be node objects or the graphident
-   values for nodes.
-
-.. method:: removeReference(fromnode, tonode)
-
-   Removes the reference from *fromnode* to *tonode* if it exists.
-
-.. method:: ObjectGraph.getRawIdent(node)
-
-   Returns the *graphident* attribute of *node*, or the graph itself
-   when *node* is :data:`None`.
-
-.. method:: getIdent(node)
-
-   Same as :meth:`getRawIdent`, but only if the node is part
-   of the graph.
-
-   *Node* can either be an actual node object or the graphident of
-   a node.
-
-.. method:: ObjectGraph.findNode(node)
-
-   Returns a given node in the graph, or :data:`Node` when it cannot
-   be found.
-
-   *Node* is either an object with a *graphident* attribute or
-   the *graphident* attribute itself.
-
-.. method:: ObjectGraph.__contains__(node)
-
-   Returns True if *node* is a member of the graph. *Node* is either an
-   object with a *graphident* attribute or the *graphident* attribute itself.
-
-.. method:: ObjectGraph.flatten([condition[, start]])
-
-   Yield all nodes that are entirely reachable by *condition*
-   starting fromt he given *start* node or the graph root.
-
-   .. note:: objects are only reachable from the graph root
-      when there is a reference from the root to the node
-      (either directly or through another node)
-
-.. method:: ObjectGraph.nodes()
-
-   Yield all nodes in the graph.
-
-.. method:: ObjectGraph.get_edges(node)
-
-   Returns two iterators that yield the nodes reaching by
-   outgoing and incoming edges.
-
-.. method:: ObjectGraph.filterStack(filters)
-
-   Filter the ObjectGraph in-place by removing all edges to nodes that
-   do not match every filter in the given filter list
-
-   Returns a tuple containing the number of:
-   (*nodes_visited*, *nodes_removed*, *nodes_orphaned*)
-
-.. method:: ObjectGraph.edgeData(fromNode, toNode):
-   Return the edge data associated with the edge from *fromNode*
-   to *toNode*.  Raises :exc:`KeyError` when no such edge exists.
-
-   .. versionadded: 0.12
-
-.. method:: ObjectGraph.updateEdgeData(fromNode, toNode, edgeData)
-
-   Replace the data associated with the edge from *fromNode* to
-   *toNode* by *edgeData*.
-
-   Raises :exc:`KeyError` when the edge does not exist.
-
-Debug output
-------------
-
-.. data:: ObjectGraph.debug
-
-   The current debug level.
-
-.. method:: ObjectGraph.msg(level, text, \*args)
-
-   Print a debug message at the current indentation level when the current
-   debug level is *level* or less.
-
-.. method:: ObjectGraph.msgin(level, text, \*args)
-
-   Print a debug message when the current debug level is *level* or less,
-   and increase the indentation level.
-
-.. method:: ObjectGraph.msgout(level, text, \*args)
-
-   Decrease the indentation level and print a debug message when the
-   current debug level is *level* or less.
diff --git a/python/altgraph/setup.cfg b/python/altgraph/setup.cfg
deleted file mode 100644
index 9c6880e3c..000000000
--- a/python/altgraph/setup.cfg
+++ /dev/null
@@ -1,36 +0,0 @@
-[metadata]
-name = altgraph
-version = 0.12
-description = Python graph (network) package
-long_description_file = 
-	README.txt
-	doc/changelog.rst
-author = Ronald Oussoren
-author_email = ronaldoussoren@mac.com
-maintainer = Ronald Oussoren
-maintainer_email = ronaldoussoren@mac.com
-url = http://packages.python.org/altgraph
-download_url = http://pypi.python.org/pypi/altgraph
-license = MIT
-classifiers = 
-	Intended Audience :: Developers
-	License :: OSI Approved :: MIT License
-	Programming Language :: Python
-	Programming Language :: Python :: 2
-	Programming Language :: Python :: 2.7
-	Programming Language :: Python :: 3
-	Programming Language :: Python :: 3.3
-	Programming Language :: Python :: 3.4
-	Topic :: Software Development :: Libraries :: Python Modules
-	Topic :: Scientific/Engineering :: Mathematics
-	Topic :: Scientific/Engineering :: Visualization
-keywords = graph
-platforms = any
-packages = altgraph
-zip-safe = 1
-
-[egg_info]
-tag_build = 
-tag_date = 0
-tag_svn_revision = 0
-
diff --git a/python/altgraph/setup.py b/python/altgraph/setup.py
deleted file mode 100644
index a1a4cb6eb..000000000
--- a/python/altgraph/setup.py
+++ /dev/null
@@ -1,867 +0,0 @@
-"""
-Shared setup file for simple python packages. Uses a setup.cfg that
-is the same as the distutils2 project, unless noted otherwise.
-
-It exists for two reasons:
-1) This makes it easier to reuse setup.py code between my own
-   projects
-
-2) Easier migration to distutils2 when that catches on.
-
-Additional functionality:
-
-* Section metadata:
-    requires-test:  Same as 'tests_require' option for setuptools.
-
-"""
-
-import sys
-import os
-import re
-import platform
-from fnmatch import fnmatch
-import os
-import sys
-import time
-import tempfile
-import tarfile
-try:
-    import urllib.request as urllib
-except ImportError:
-    import urllib
-from distutils import log
-try:
-    from hashlib import md5
-
-except ImportError:
-    from md5 import md5
-
-if sys.version_info[0] == 2:
-    from ConfigParser import RawConfigParser, NoOptionError, NoSectionError
-else:
-    from configparser import RawConfigParser, NoOptionError, NoSectionError
-
-ROOTDIR = os.path.dirname(os.path.abspath(__file__))
-
-
-#
-#
-#
-# Parsing the setup.cfg and converting it to something that can be
-# used by setuptools.setup()
-#
-#
-#
-
-def eval_marker(value):
-    """
-    Evaluate an distutils2 environment marker.
-
-    This code is unsafe when used with hostile setup.cfg files,
-    but that's not a problem for our own files.
-    """
-    value = value.strip()
-
-    class M:
-        def __init__(self, **kwds):
-            for k, v in kwds.items():
-                setattr(self, k, v)
-
-    variables = {
-        'python_version': '%d.%d'%(sys.version_info[0], sys.version_info[1]),
-        'python_full_version': sys.version.split()[0],
-        'os': M(
-            name=os.name,
-        ),
-        'sys': M(
-            platform=sys.platform,
-        ),
-        'platform': M(
-            version=platform.version(),
-            machine=platform.machine(),
-        ),
-    }
-
-    return bool(eval(value, variables, variables))
-
-
-    return True
-
-def _opt_value(cfg, into, section, key, transform = None):
-    try:
-        v = cfg.get(section, key)
-        if transform != _as_lines and ';' in v:
-            v, marker = v.rsplit(';', 1)
-            if not eval_marker(marker):
-                return
-
-            v = v.strip()
-
-        if v:
-            if transform:
-                into[key] = transform(v.strip())
-            else:
-                into[key] = v.strip()
-
-    except (NoOptionError, NoSectionError):
-        pass
-
-def _as_bool(value):
-    if value.lower() in ('y', 'yes', 'on'):
-        return True
-    elif value.lower() in ('n', 'no', 'off'):
-        return False
-    elif value.isdigit():
-        return bool(int(value))
-    else:
-        raise ValueError(value)
-
-def _as_list(value):
-    return value.split()
-
-def _as_lines(value):
-    result = []
-    for v in value.splitlines():
-        if ';' in v:
-            v, marker = v.rsplit(';', 1)
-            if not eval_marker(marker):
-                continue
-
-            v = v.strip()
-            if v:
-                result.append(v)
-        else:
-            result.append(v)
-    return result
-
-def _map_requirement(value):
-    m = re.search(r'(\S+)\s*(?:\((.*)\))?', value)
-    name = m.group(1)
-    version = m.group(2)
-
-    if version is None:
-        return name
-
-    else:
-        mapped = []
-        for v in version.split(','):
-            v = v.strip()
-            if v[0].isdigit():
-                # Checks for a specific version prefix
-                m = v.rsplit('.', 1)
-                mapped.append('>=%s,<%s.%s'%(
-                    v, m[0], int(m[1])+1))
-
-            else:
-                mapped.append(v)
-        return '%s %s'%(name, ','.join(mapped),)
-
-def _as_requires(value):
-    requires = []
-    for req in value.splitlines():
-        if ';' in req:
-            req, marker = v.rsplit(';', 1)
-            if not eval_marker(marker):
-                continue
-            req = req.strip()
-
-        if not req:
-            continue
-        requires.append(_map_requirement(req))
-    return requires
-
-def parse_setup_cfg():
-    cfg = RawConfigParser()
-    r = cfg.read([os.path.join(ROOTDIR, 'setup.cfg')])
-    if len(r) != 1:
-        print("Cannot read 'setup.cfg'")
-        sys.exit(1)
-
-    metadata = dict(
-            name        = cfg.get('metadata', 'name'),
-            version     = cfg.get('metadata', 'version'),
-            description = cfg.get('metadata', 'description'),
-    )
-
-    _opt_value(cfg, metadata, 'metadata', 'license')
-    _opt_value(cfg, metadata, 'metadata', 'maintainer')
-    _opt_value(cfg, metadata, 'metadata', 'maintainer_email')
-    _opt_value(cfg, metadata, 'metadata', 'author')
-    _opt_value(cfg, metadata, 'metadata', 'author_email')
-    _opt_value(cfg, metadata, 'metadata', 'url')
-    _opt_value(cfg, metadata, 'metadata', 'download_url')
-    _opt_value(cfg, metadata, 'metadata', 'classifiers', _as_lines)
-    _opt_value(cfg, metadata, 'metadata', 'platforms', _as_list)
-    _opt_value(cfg, metadata, 'metadata', 'packages', _as_list)
-    _opt_value(cfg, metadata, 'metadata', 'keywords', _as_list)
-
-    try:
-        v = cfg.get('metadata', 'requires-dist')
-
-    except (NoOptionError, NoSectionError):
-        pass
-
-    else:
-        requires = _as_requires(v)
-        if requires:
-            metadata['install_requires'] = requires
-
-    try:
-        v = cfg.get('metadata', 'requires-test')
-
-    except (NoOptionError, NoSectionError):
-        pass
-
-    else:
-        requires = _as_requires(v)
-        if requires:
-            metadata['tests_require'] = requires
-
-
-    try:
-        v = cfg.get('metadata', 'long_description_file')
-    except (NoOptionError, NoSectionError):
-        pass
-
-    else:
-        parts = []
-        for nm in v.split():
-            fp = open(nm, 'rU')
-            parts.append(fp.read())
-            fp.close()
-
-        metadata['long_description'] = '\n\n'.join(parts)
-
-
-    try:
-        v = cfg.get('metadata', 'zip-safe')
-    except (NoOptionError, NoSectionError):
-        pass
-
-    else:
-        metadata['zip_safe'] = _as_bool(v)
-
-    try:
-        v = cfg.get('metadata', 'console_scripts')
-    except (NoOptionError, NoSectionError):
-        pass
-
-    else:
-        if 'entry_points' not in metadata:
-            metadata['entry_points'] = {}
-
-        metadata['entry_points']['console_scripts'] = v.splitlines()
-
-    if sys.version_info[:2] <= (2,6):
-        try:
-            metadata['tests_require'] += ", unittest2"
-        except KeyError:
-            metadata['tests_require'] = "unittest2"
-
-    return metadata
-
-
-#
-#
-#
-# Bootstrapping setuptools/distribute, based on
-# a heavily modified version of distribute_setup.py
-#
-#
-#
-
-
-SETUPTOOLS_PACKAGE='setuptools'
-
-
-try:
-    import subprocess
-
-    def _python_cmd(*args):
-        args = (sys.executable,) + args
-        return subprocess.call(args) == 0
-
-except ImportError:
-    def _python_cmd(*args):
-        args = (sys.executable,) + args
-        new_args = []
-        for a in args:
-            new_args.append(a.replace("'", "'\"'\"'"))
-        os.system(' '.join(new_args)) == 0
-
-
-try:
-    import json
-
-    def get_pypi_src_download(package):
-        url = 'https://pypi.python.org/pypi/%s/json'%(package,)
-        fp = urllib.urlopen(url)
-        try:
-            try:
-                data = fp.read()
-
-            finally:
-                fp.close()
-        except urllib.error:
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-        pkgdata = json.loads(data.decode('utf-8'))
-        if 'urls' not in pkgdata:
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-        for info in pkgdata['urls']:
-            if info['packagetype'] == 'sdist' and info['url'].endswith('tar.gz'):
-                return (info.get('md5_digest'), info['url'])
-
-        raise RuntimeError("Cannot determine downlink link for %s"%(package,))
-
-except ImportError:
-    # Python 2.5 compatibility, no JSON in stdlib but luckily JSON syntax is
-    # simular enough to Python's syntax to be able to abuse the Python compiler
-
-    import _ast as ast
-
-    def get_pypi_src_download(package):
-        url = 'https://pypi.python.org/pypi/%s/json'%(package,)
-        fp = urllib.urlopen(url)
-        try:
-            try:
-                data = fp.read()
-
-            finally:
-                fp.close()
-        except urllib.error:
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-
-        a = compile(data, '-', 'eval', ast.PyCF_ONLY_AST)
-        if not isinstance(a, ast.Expression):
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-        a = a.body
-        if not isinstance(a, ast.Dict):
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-        for k, v in zip(a.keys, a.values):
-            if not isinstance(k, ast.Str):
-                raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-            k = k.s
-            if k == 'urls':
-                a = v
-                break
-        else:
-            raise RuntimeError("PyPI JSON for %s doesn't contain URLs section"%(package,))
-
-        if not isinstance(a, ast.List):
-            raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-        for info in v.elts:
-            if not isinstance(info, ast.Dict):
-                raise RuntimeError("Cannot determine download link for %s"%(package,))
-            url = None
-            packagetype = None
-            chksum = None
-
-            for k, v in zip(info.keys, info.values):
-                if not isinstance(k, ast.Str):
-                    raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-                if k.s == 'url':
-                    if not isinstance(v, ast.Str):
-                        raise RuntimeError("Cannot determine download link for %s"%(package,))
-                    url = v.s
-
-                elif k.s == 'packagetype':
-                    if not isinstance(v, ast.Str):
-                        raise RuntimeError("Cannot determine download link for %s"%(package,))
-                    packagetype = v.s
-
-                elif k.s == 'md5_digest':
-                    if not isinstance(v, ast.Str):
-                        raise RuntimeError("Cannot determine download link for %s"%(package,))
-                    chksum = v.s
-
-            if url is not None and packagetype == 'sdist' and url.endswith('.tar.gz'):
-                return (chksum, url)
-
-        raise RuntimeError("Cannot determine download link for %s"%(package,))
-
-def _build_egg(egg, tarball, to_dir):
-    # extracting the tarball
-    tmpdir = tempfile.mkdtemp()
-    log.warn('Extracting in %s', tmpdir)
-    old_wd = os.getcwd()
-    try:
-        os.chdir(tmpdir)
-        tar = tarfile.open(tarball)
-        _extractall(tar)
-        tar.close()
-
-        # going in the directory
-        subdir = os.path.join(tmpdir, os.listdir(tmpdir)[0])
-        os.chdir(subdir)
-        log.warn('Now working in %s', subdir)
-
-        # building an egg
-        log.warn('Building a %s egg in %s', egg, to_dir)
-        _python_cmd('setup.py', '-q', 'bdist_egg', '--dist-dir', to_dir)
-
-    finally:
-        os.chdir(old_wd)
-    # returning the result
-    log.warn(egg)
-    if not os.path.exists(egg):
-        raise IOError('Could not build the egg.')
-
-
-def _do_download(to_dir, packagename=SETUPTOOLS_PACKAGE):
-    tarball = download_setuptools(packagename, to_dir)
-    version = tarball.split('-')[-1][:-7]
-    egg = os.path.join(to_dir, '%s-%s-py%d.%d.egg'
-                       % (packagename, version, sys.version_info[0], sys.version_info[1]))
-    if not os.path.exists(egg):
-        _build_egg(egg, tarball, to_dir)
-    sys.path.insert(0, egg)
-    import setuptools
-    setuptools.bootstrap_install_from = egg
-
-
-def use_setuptools():
-    # making sure we use the absolute path
-    return _do_download(os.path.abspath(os.curdir))
-
-def download_setuptools(packagename, to_dir):
-    # making sure we use the absolute path
-    to_dir = os.path.abspath(to_dir)
-    try:
-        from urllib.request import urlopen
-    except ImportError:
-        from urllib2 import urlopen
-
-    chksum, url = get_pypi_src_download(packagename)
-    tgz_name = os.path.basename(url)
-    saveto = os.path.join(to_dir, tgz_name)
-
-    src = dst = None
-    if not os.path.exists(saveto):  # Avoid repeated downloads
-        try:
-            log.warn("Downloading %s", url)
-            src = urlopen(url)
-            # Read/write all in one block, so we don't create a corrupt file
-            # if the download is interrupted.
-            data = src.read()
-
-            if chksum is not None:
-                data_sum = md5(data).hexdigest()
-                if data_sum != chksum:
-                    raise RuntimeError("Downloading %s failed: corrupt checksum"%(url,))
-
-
-            dst = open(saveto, "wb")
-            dst.write(data)
-        finally:
-            if src:
-                src.close()
-            if dst:
-                dst.close()
-    return os.path.realpath(saveto)
-
-
-
-def _extractall(self, path=".", members=None):
-    """Extract all members from the archive to the current working
-       directory and set owner, modification time and permissions on
-       directories afterwards. `path' specifies a different directory
-       to extract to. `members' is optional and must be a subset of the
-       list returned by getmembers().
-    """
-    import copy
-    import operator
-    from tarfile import ExtractError
-    directories = []
-
-    if members is None:
-        members = self
-
-    for tarinfo in members:
-        if tarinfo.isdir():
-            # Extract directories with a safe mode.
-            directories.append(tarinfo)
-            tarinfo = copy.copy(tarinfo)
-            tarinfo.mode = 448 # decimal for oct 0700
-        self.extract(tarinfo, path)
-
-    # Reverse sort directories.
-    if sys.version_info < (2, 4):
-        def sorter(dir1, dir2):
-            return cmp(dir1.name, dir2.name)
-        directories.sort(sorter)
-        directories.reverse()
-    else:
-        directories.sort(key=operator.attrgetter('name'), reverse=True)
-
-    # Set correct owner, mtime and filemode on directories.
-    for tarinfo in directories:
-        dirpath = os.path.join(path, tarinfo.name)
-        try:
-            self.chown(tarinfo, dirpath)
-            self.utime(tarinfo, dirpath)
-            self.chmod(tarinfo, dirpath)
-        except ExtractError:
-            e = sys.exc_info()[1]
-            if self.errorlevel > 1:
-                raise
-            else:
-                self._dbg(1, "tarfile: %s" % e)
-
-
-#
-#
-#
-# Definitions of custom commands
-#
-#
-#
-
-try:
-    import setuptools
-
-except ImportError:
-    use_setuptools()
-
-from setuptools import setup
-
-try:
-    from distutils.core import PyPIRCCommand
-except ImportError:
-    PyPIRCCommand = None # Ancient python version
-
-from distutils.core import Command
-from distutils.errors  import DistutilsError
-from distutils import log
-
-if PyPIRCCommand is None:
-    class upload_docs (Command):
-        description = "upload sphinx documentation"
-        user_options = []
-
-        def initialize_options(self):
-            pass
-
-        def finalize_options(self):
-            pass
-
-        def run(self):
-            raise DistutilsError("not supported on this version of python")
-
-else:
-    class upload_docs (PyPIRCCommand):
-        description = "upload sphinx documentation"
-        user_options = PyPIRCCommand.user_options
-
-        def initialize_options(self):
-            PyPIRCCommand.initialize_options(self)
-            self.username = ''
-            self.password = ''
-
-
-        def finalize_options(self):
-            PyPIRCCommand.finalize_options(self)
-            config = self._read_pypirc()
-            if config != {}:
-                self.username = config['username']
-                self.password = config['password']
-
-
-        def run(self):
-            import subprocess
-            import shutil
-            import zipfile
-            import os
-            import urllib
-            import StringIO
-            from base64 import standard_b64encode
-            import httplib
-            import urlparse
-
-            # Extract the package name from distutils metadata
-            meta = self.distribution.metadata
-            name = meta.get_name()
-
-            # Run sphinx
-            if os.path.exists('doc/_build'):
-                shutil.rmtree('doc/_build')
-            os.mkdir('doc/_build')
-
-            p = subprocess.Popen(['make', 'html'],
-                cwd='doc')
-            exit = p.wait()
-            if exit != 0:
-                raise DistutilsError("sphinx-build failed")
-
-            # Collect sphinx output
-            if not os.path.exists('dist'):
-                os.mkdir('dist')
-            zf = zipfile.ZipFile('dist/%s-docs.zip'%(name,), 'w',
-                    compression=zipfile.ZIP_DEFLATED)
-
-            for toplevel, dirs, files in os.walk('doc/_build/html'):
-                for fn in files:
-                    fullname = os.path.join(toplevel, fn)
-                    relname = os.path.relpath(fullname, 'doc/_build/html')
-
-                    print ("%s -> %s"%(fullname, relname))
-
-                    zf.write(fullname, relname)
-
-            zf.close()
-
-            # Upload the results, this code is based on the distutils
-            # 'upload' command.
-            content = open('dist/%s-docs.zip'%(name,), 'rb').read()
-
-            data = {
-                ':action': 'doc_upload',
-                'name': name,
-                'content': ('%s-docs.zip'%(name,), content),
-            }
-            auth = "Basic " + standard_b64encode(self.username + ":" +
-                 self.password)
-
-
-            boundary = '--------------GHSKFJDLGDS7543FJKLFHRE75642756743254'
-            sep_boundary = '\n--' + boundary
-            end_boundary = sep_boundary + '--'
-            body = StringIO.StringIO()
-            for key, value in data.items():
-                if not isinstance(value, list):
-                    value = [value]
-
-                for value in value:
-                    if isinstance(value, tuple):
-                        fn = ';filename="%s"'%(value[0])
-                        value = value[1]
-                    else:
-                        fn = ''
-
-                    body.write(sep_boundary)
-                    body.write('\nContent-Disposition: form-data; name="%s"'%key)
-                    body.write(fn)
-                    body.write("\n\n")
-                    body.write(value)
-
-            body.write(end_boundary)
-            body.write('\n')
-            body = body.getvalue()
-
-            self.announce("Uploading documentation to %s"%(self.repository,), log.INFO)
-
-            schema, netloc, url, params, query, fragments = \
-                    urlparse.urlparse(self.repository)
-
-
-            if schema == 'http':
-                http = httplib.HTTPConnection(netloc)
-            elif schema == 'https':
-                http = httplib.HTTPSConnection(netloc)
-            else:
-                raise AssertionError("unsupported schema "+schema)
-
-            data = ''
-            loglevel = log.INFO
-            try:
-                http.connect()
-                http.putrequest("POST", url)
-                http.putheader('Content-type',
-                    'multipart/form-data; boundary=%s'%boundary)
-                http.putheader('Content-length', str(len(body)))
-                http.putheader('Authorization', auth)
-                http.endheaders()
-                http.send(body)
-            except socket.error:
-                e = socket.exc_info()[1]
-                self.announce(str(e), log.ERROR)
-                return
-
-            r = http.getresponse()
-            if r.status in (200, 301):
-                self.announce('Upload succeeded (%s): %s' % (r.status, r.reason),
-                    log.INFO)
-            else:
-                self.announce('Upload failed (%s): %s' % (r.status, r.reason),
-                    log.ERROR)
-
-                print ('-'*75)
-                print (r.read())
-                print ('-'*75)
-
-
-def recursiveGlob(root, pathPattern):
-    """
-    Recursively look for files matching 'pathPattern'. Return a list
-    of matching files/directories.
-    """
-    result = []
-
-    for rootpath, dirnames, filenames in os.walk(root):
-        for fn in filenames:
-            if fnmatch(fn, pathPattern):
-                result.append(os.path.join(rootpath, fn))
-    return result
-
-
-def importExternalTestCases(unittest,
-        pathPattern="test_*.py", root=".", package=None):
-    """
-    Import all unittests in the PyObjC tree starting at 'root'
-    """
-
-    testFiles = recursiveGlob(root, pathPattern)
-    testModules = map(lambda x:x[len(root)+1:-3].replace('/', '.'), testFiles)
-    if package is not None:
-        testModules = [(package + '.' + m) for m in testModules]
-
-    suites = []
-
-    for modName in testModules:
-        try:
-            module = __import__(modName)
-        except ImportError:
-            print("SKIP %s: %s"%(modName, sys.exc_info()[1]))
-            continue
-
-        if '.' in modName:
-            for elem in modName.split('.')[1:]:
-                module = getattr(module, elem)
-
-        s = unittest.defaultTestLoader.loadTestsFromModule(module)
-        suites.append(s)
-
-    return unittest.TestSuite(suites)
-
-
-
-class test (Command):
-    description = "run test suite"
-    user_options = [
-        ('verbosity=', None, "print what tests are run"),
-    ]
-
-    def initialize_options(self):
-        self.verbosity='1'
-
-    def finalize_options(self):
-        if isinstance(self.verbosity, str):
-            self.verbosity = int(self.verbosity)
-
-
-    def cleanup_environment(self):
-        ei_cmd = self.get_finalized_command('egg_info')
-        egg_name = ei_cmd.egg_name.replace('-', '_')
-
-        to_remove =  []
-        for dirname in sys.path:
-            bn = os.path.basename(dirname)
-            if bn.startswith(egg_name + "-"):
-                to_remove.append(dirname)
-
-        for dirname in to_remove:
-            log.info("removing installed %r from sys.path before testing"%(
-                dirname,))
-            sys.path.remove(dirname)
-
-    def add_project_to_sys_path(self):
-        from pkg_resources import normalize_path, add_activation_listener
-        from pkg_resources import working_set, require
-
-        self.reinitialize_command('egg_info')
-        self.run_command('egg_info')
-        self.reinitialize_command('build_ext', inplace=1)
-        self.run_command('build_ext')
-
-
-        # Check if this distribution is already on sys.path
-        # and remove that version, this ensures that the right
-        # copy of the package gets tested.
-
-        self.__old_path = sys.path[:]
-        self.__old_modules = sys.modules.copy()
-
-
-        ei_cmd = self.get_finalized_command('egg_info')
-        sys.path.insert(0, normalize_path(ei_cmd.egg_base))
-        sys.path.insert(1, os.path.dirname(__file__))
-
-        # Strip the namespace packages defined in this distribution
-        # from sys.modules, needed to reset the search path for
-        # those modules.
-
-        nspkgs = getattr(self.distribution, 'namespace_packages')
-        if nspkgs is not None:
-            for nm in nspkgs:
-                del sys.modules[nm]
-
-        # Reset pkg_resources state:
-        add_activation_listener(lambda dist: dist.activate())
-        working_set.__init__()
-        require('%s==%s'%(ei_cmd.egg_name, ei_cmd.egg_version))
-
-    def remove_from_sys_path(self):
-        from pkg_resources import working_set
-        sys.path[:] = self.__old_path
-        sys.modules.clear()
-        sys.modules.update(self.__old_modules)
-        working_set.__init__()
-
-
-    def run(self):
-        import unittest
-
-        # Ensure that build directory is on sys.path (py3k)
-
-        self.cleanup_environment()
-        self.add_project_to_sys_path()
-
-        try:
-            meta = self.distribution.metadata
-            name = meta.get_name()
-            test_pkg = name + "_tests"
-            suite = importExternalTestCases(unittest,
-                    "test_*.py", test_pkg, test_pkg)
-
-            runner = unittest.TextTestRunner(verbosity=self.verbosity)
-            result = runner.run(suite)
-
-            # Print out summary. This is a structured format that
-            # should make it easy to use this information in scripts.
-            summary = dict(
-                count=result.testsRun,
-                fails=len(result.failures),
-                errors=len(result.errors),
-                xfails=len(getattr(result, 'expectedFailures', [])),
-                xpass=len(getattr(result, 'expectedSuccesses', [])),
-                skip=len(getattr(result, 'skipped', [])),
-            )
-            print("SUMMARY: %s"%(summary,))
-
-        finally:
-            self.remove_from_sys_path()
-
-#
-#
-#
-#  And finally run the setuptools main entry point.
-#
-#
-#
-
-metadata = parse_setup_cfg()
-
-setup(
-    cmdclass=dict(
-        upload_docs=upload_docs,
-        test=test,
-    ),
-    **metadata
-)