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"""
From Andre Burgaud's Blog, from the CTypes Wiki:
http://www.burgaud.com/bring-colors-to-the-windows-console-with-python/
Colors text in console mode application (win32).
Uses ctypes and Win32 methods SetConsoleTextAttribute and
GetConsoleScreenBufferInfo.
$Id: color_console.py 534 2009-05-10 04:00:59Z andre $
"""
from ctypes import windll, Structure, c_short, c_ushort, byref
SHORT = c_short
WORD = c_ushort
class COORD(Structure):
"""struct in wincon.h."""
_fields_ = [
("X", SHORT),
("Y", SHORT)]
class SMALL_RECT(Structure):
"""struct in wincon.h."""
_fields_ = [
("Left", SHORT),
("Top", SHORT),
("Right", SHORT),
("Bottom", SHORT)]
class CONSOLE_SCREEN_BUFFER_INFO(Structure):
"""struct in wincon.h."""
_fields_ = [
("dwSize", COORD),
("dwCursorPosition", COORD),
("wAttributes", WORD),
("srWindow", SMALL_RECT),
("dwMaximumWindowSize", COORD)]
# winbase.h
STD_INPUT_HANDLE = -10
STD_OUTPUT_HANDLE = -11
STD_ERROR_HANDLE = -12
# wincon.h
FOREGROUND_BLACK = 0x0000
FOREGROUND_BLUE = 0x0001
FOREGROUND_GREEN = 0x0002
FOREGROUND_CYAN = 0x0003
FOREGROUND_RED = 0x0004
FOREGROUND_MAGENTA = 0x0005
FOREGROUND_YELLOW = 0x0006
FOREGROUND_GREY = 0x0007
FOREGROUND_INTENSITY = 0x0008 # foreground color is intensified.
BACKGROUND_BLACK = 0x0000
BACKGROUND_BLUE = 0x0010
BACKGROUND_GREEN = 0x0020
BACKGROUND_CYAN = 0x0030
BACKGROUND_RED = 0x0040
BACKGROUND_MAGENTA = 0x0050
BACKGROUND_YELLOW = 0x0060
BACKGROUND_GREY = 0x0070
BACKGROUND_INTENSITY = 0x0080 # background color is intensified.
stdout_handle = windll.kernel32.GetStdHandle(STD_OUTPUT_HANDLE)
SetConsoleTextAttribute = windll.kernel32.SetConsoleTextAttribute
GetConsoleScreenBufferInfo = windll.kernel32.GetConsoleScreenBufferInfo
def get_text_attr():
csbi = CONSOLE_SCREEN_BUFFER_INFO()
GetConsoleScreenBufferInfo(stdout_handle, byref(csbi))
return csbi.wAttributes
DEFAULT_COLORS = get_text_attr()
class Terminal(object):
COLOR = {
'black': 0x0000,
'blue': 0x0001,
'green': 0x0002,
'cyan': 0x0003,
'red': 0x0004,
'magenta': 0x0005,
'yellow': 0x0006,
'gray': 0x0007
}
BRIGHT_INTENSITY = 0x0008
BACKGROUND_SHIFT = 4
@classmethod
def set_color(cls, color):
"""
color: str - color definition string
"""
color_code = 0
if color.startswith('bright'):
color_code |= cls.BRIGHT_INTENSITY
color = color[len('bright'):]
color_code |= Terminal.COLOR[color]
SetConsoleTextAttribute(stdout_handle, color_code)
@classmethod
def reset_color(cls):
SetConsoleTextAttribute(stdout_handle, DEFAULT_COLORS)
@classmethod
def clear_right(cls):
pass
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