| """ |
| 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 |
