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#!/usr/bin/env python
# -*- coding: utf-8 -*-
"""
Logging facilities for aptdaemon
"""
# Copyright (C) 2013 Sebastian Heinlein <devel@glatzor.de>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
__author__ = "Sebastian Heinlein <devel@glatzor.de>"
__all__ = ("ColoredFormatter")
import logging
import os
# Define some foreground colors
BLACK = 30
RED = 31
GREEN = 32
YELLOW = 33
BLUE = 34
MAGENTA = 35
CYAN = 36
WHITE = 37
# Terminal control sequences to format output
RESET_SEQ = "\033[0m"
COLOR_SEQ = "\033[1;%dm"
BOLD_SEQ = "\033[1m"
COLORS = {
logging.WARN: YELLOW,
logging.INFO: BLUE,
logging.DEBUG: CYAN,
logging.CRITICAL: RED,
logging.ERROR: RED
}
class ColoredFormatter(logging.Formatter):
"""Adds some color to the log messages.
http://stackoverflow.com/questions/384076/\
how-can-i-color-python-logging-output
"""
def __init__(self, fmt=None, datefmt=None, use_color=True):
logging.Formatter.__init__(self, fmt, datefmt)
if os.getenv("TERM") in ["xterm", "xterm-colored", "linux"]:
self.use_color = use_color
else:
self.use_color = False
def format(self, record):
"""Return the formated output string."""
if self.use_color and record.levelno in COLORS:
record.levelname = (COLOR_SEQ % COLORS[record.levelno] +
record.levelname +
RESET_SEQ)
record.name = COLOR_SEQ % GREEN + record.name + RESET_SEQ
if record.levelno in [logging.CRITICAL, logging.ERROR]:
record.msg = COLOR_SEQ % RED + record.msg + RESET_SEQ
return logging.Formatter.format(self, record)
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