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color_console.py
"""
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():
"""Returns the character attributes (colors) of the console screen
buffer."""
csbi = CONSOLE_SCREEN_BUFFER_INFO()
GetConsoleScreenBufferInfo(stdout_handle, byref(csbi))
return csbi.wAttributes
def set_text_attr(color):
"""Sets the character attributes (colors) of the console screen
buffer. Color is a combination of foreground and background color,
foreground and background intensity."""
SetConsoleTextAttribute(stdout_handle, color)
_____________________________________________________________ test_color_console_py26.py""" Test module color_console (Python 2.6). Does not work with Python 3.0 (mainly due to the usage of print. In Python 3.0 print is a builtin function and no more a statement. $Id: test_color_console_py26.py 535 2009-05-11 02:48:29Z andre $ """ import color_console as cons def test(): """Simple test for color_console.""" default_colors = cons.get_text_attr() default_bg = default_colors & 0x0070 cons.set_text_attr(cons.FOREGROUND_BLUE | default_bg | cons.FOREGROUND_INTENSITY) print '===========================================' cons.set_text_attr(cons.FOREGROUND_BLUE | cons.BACKGROUND_GREY | cons.FOREGROUND_INTENSITY | cons.BACKGROUND_INTENSITY) print 'And Now for Something', cons.set_text_attr(cons.FOREGROUND_RED | cons.BACKGROUND_GREY | cons.FOREGROUND_INTENSITY | cons.BACKGROUND_INTENSITY) print 'Completely Different!', cons.set_text_attr(default_colors) print cons.set_text_attr(cons.FOREGROUND_RED | default_bg | cons.FOREGROUND_INTENSITY) print '===========================================' cons.set_text_attr(default_colors) if __name__ == "__main__": test()
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