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# -*- coding:utf-8 -*-
## src/common/logging_helpers.py
##
## Copyright (C) 2009 Bruno Tarquini <btarquini AT gmail.com>
##
## This file is part of Gajim.
##
## Gajim 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; version 3 only.
##
## Gajim 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 Gajim. If not, see <http://www.gnu.org/licenses/>.
##
import logging
import i18n
def parseLogLevel(arg):
"""
eiter numeric value or level name from logging module
"""
if arg.isdigit():
return int(arg)
elif arg.isupper():
return getattr(logging, arg)
else:
raise ValueError(_('%s is not a valid loglevel'), repr(arg))
def parseLogTarget(arg):
"""
[gajim.]c.x.y -> gajim.c.x.y
.other_logger -> other_logger
<None> -> gajim
"""
arg = arg.lower()
if not arg:
return 'gajim'
elif arg.startswith('.'):
return arg[1:]
elif arg.startswith('gajim'):
return arg
else:
return 'gajim.' + arg
def parseAndSetLogLevels(arg):
"""
[=]LOGLEVEL -> gajim=LOGLEVEL
gajim=LOGLEVEL -> gajim=LOGLEVEL
.other=10 -> other=10
.=10 -> <nothing>
c.x.y=c.z=20 -> gajim.c.x.y=20
gajim.c.z=20
gajim=10,c.x=20 -> gajim=10
gajim.c.x=20
"""
for directive in arg.split(','):
directive = directive.strip()
if not directive:
continue
if '=' not in directive:
directive = '=' + directive
targets, level = directive.rsplit('=', 1)
level = parseLogLevel(level.strip())
for target in targets.split('='):
target = parseLogTarget(target.strip())
if target:
logging.getLogger(target).setLevel(level)
print "Logger %s level set to %d" % (target, level)
class colors:
NONE = chr(27) + "[0m"
BLACk = chr(27) + "[30m"
RED = chr(27) + "[31m"
GREEN = chr(27) + "[32m"
BROWN = chr(27) + "[33m"
BLUE = chr(27) + "[34m"
MAGENTA = chr(27) + "[35m"
CYAN = chr(27) + "[36m"
LIGHT_GRAY = chr(27) + "[37m"
DARK_GRAY = chr(27) + "[30;1m"
BRIGHT_RED = chr(27) + "[31;1m"
BRIGHT_GREEN = chr(27) + "[32;1m"
YELLOW = chr(27) + "[33;1m"
BRIGHT_BLUE = chr(27) + "[34;1m"
PURPLE = chr(27) + "[35;1m"
BRIGHT_CYAN = chr(27) + "[36;1m"
WHITE = chr(27) + "[37;1m"
def colorize(text, color):
return color + text + colors.NONE
class FancyFormatter(logging.Formatter):
"""
A Eye-candy formatter with colors
"""
colors_mapping = {
'DEBUG': colors.BLUE,
'INFO' : colors.GREEN,
'WARNING': colors.BROWN,
'ERROR': colors.RED,
'CRITICAL': colors.BRIGHT_RED,
}
def __init__(self, fmt, datefmt=None, use_color=False):
logging.Formatter.__init__(self, fmt, datefmt)
self.use_color = use_color
def formatTime(self, record, datefmt=None):
f = logging.Formatter.formatTime(self, record, datefmt)
if self.use_color:
f = colorize(f, colors.DARK_GRAY)
return f
def format(self, record):
level = record.levelname
record.levelname = '(%s)' % level[0]
if self.use_color:
c = FancyFormatter.colors_mapping.get(level, '')
record.levelname = colorize(record.levelname, c)
record.name = colorize(record.name, colors.CYAN)
else:
record.name += ':'
return logging.Formatter.format(self, record)
def init(use_color=False):
"""
initialize the logging system
"""
consoleloghandler = logging.StreamHandler()
consoleloghandler.setFormatter(
FancyFormatter(
'%(asctime)s %(levelname)s %(name)s %(message)s',
'%H:%M:%S',
use_color
)
)
# fake the root logger so we have 'gajim' root name instead of 'root'
root_log = logging.getLogger('gajim')
root_log.setLevel(logging.WARNING)
root_log.addHandler(consoleloghandler)
root_log.propagate = False
def set_loglevels(loglevels_string):
parseAndSetLogLevels(loglevels_string)
def set_verbose():
parseAndSetLogLevels('gajim=1')
def set_quiet():
parseAndSetLogLevels('gajim=CRITICAL')
# tests
if __name__ == '__main__':
init(use_color=True)
set_loglevels('gajim.c=DEBUG,INFO')
log = logging.getLogger('gajim')
log.debug('debug')
log.info('info')
log.warn('warn')
log.error('error')
log.critical('critical')
log = logging.getLogger('gajim.c.x.dispatcher')
log.debug('debug')
log.info('info')
log.warn('warn')
log.error('error')
log.critical('critical')
# vim: se ts=3:
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