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# Copied from https://stackoverflow.com/a/1336640
import logging
import platform
def add_coloring_to_emit_windows(fn):
# add methods we need to the class
def _out_handle(self):
import ctypes
return ctypes.windll.kernel32.GetStdHandle(self.STD_OUTPUT_HANDLE)
out_handle = property(_out_handle)
def _set_color(self, code):
import ctypes
# Constants from the Windows API
self.STD_OUTPUT_HANDLE = -11
hdl = ctypes.windll.kernel32.GetStdHandle(self.STD_OUTPUT_HANDLE)
ctypes.windll.kernel32.SetConsoleTextAttribute(hdl, code)
setattr(logging.StreamHandler, '_set_color', _set_color)
def new(*args):
FOREGROUND_BLUE = 0x0001 # text color contains blue.
FOREGROUND_GREEN = 0x0002 # text color contains green.
FOREGROUND_RED = 0x0004 # text color contains red.
FOREGROUND_INTENSITY = 0x0008 # text color is intensified.
FOREGROUND_WHITE = FOREGROUND_BLUE | FOREGROUND_GREEN | FOREGROUND_RED
# 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.
levelno = args[1].levelno
if (levelno >= 50):
color = BACKGROUND_YELLOW | FOREGROUND_RED | FOREGROUND_INTENSITY | BACKGROUND_INTENSITY
elif (levelno >= 40):
color = FOREGROUND_RED | FOREGROUND_INTENSITY
elif (levelno >= 30):
color = FOREGROUND_YELLOW | FOREGROUND_INTENSITY
elif (levelno >= 20):
color = FOREGROUND_GREEN
elif (levelno >= 10):
color = FOREGROUND_MAGENTA
else:
color = FOREGROUND_WHITE
args[0]._set_color(color)
ret = fn(*args)
args[0]._set_color(FOREGROUND_WHITE)
# print "after"
return ret
return new
def add_coloring_to_emit_ansi(fn):
# add methods we need to the class
def new(*args):
levelno = args[1].levelno
if (levelno >= 50):
color = '\x1b[31m' # red
elif (levelno >= 40):
color = '\x1b[31m' # red
elif (levelno >= 30):
color = '\x1b[33m' # yellow
elif (levelno >= 20):
color = '\x1b[32m' # green
elif (levelno >= 10):
color = '\x1b[35m' # pink
else:
color = '\x1b[0m' # normal
args[1].msg = color + args[1].msg + '\x1b[0m' # normal
# print "after"
return fn(*args)
return new
if platform.system() == 'Windows':
# Windows does not support ANSI escapes and we are using API calls to set the console color
logging.StreamHandler.emit = add_coloring_to_emit_windows(logging.StreamHandler.emit)
else:
# all non-Windows platforms are supporting ANSI escapes so we use them
logging.StreamHandler.emit = add_coloring_to_emit_ansi(logging.StreamHandler.emit)
# log = logging.getLogger()
# log.addFilter(log_filter())
# //hdlr = logging.StreamHandler()
# //hdlr.setFormatter(formatter())
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