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# Copyright (C) 2000-2014 Bastian Kleineidam
#
# 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
# (at your option) 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.
"""
Logging configuration
"""
import logging.config
import sys
from . import ansicolor
# application log areas
LOG_ROOT = "linkcheck"
LOG_CMDLINE = "linkcheck.cmdline"
LOG_CHECK = "linkcheck.check"
LOG_CACHE = "linkcheck.cache"
LOG_THREAD = "linkcheck.thread"
LOG_PLUGIN = "linkcheck.plugin"
lognames = {
"cmdline": LOG_CMDLINE,
"checking": LOG_CHECK,
"cache": LOG_CACHE,
"thread": LOG_THREAD,
"plugin": LOG_PLUGIN,
"all": LOG_ROOT,
}
lognamelist = ", ".join(repr(name) for name in lognames)
# logging configuration
configdict = {
'version': 1,
'loggers': {},
'root': {'level': 'WARN'},
'incremental': True,
}
def init_log_config(handler=None):
"""Set up the application logging (not to be confused with check loggers).
"""
for applog in lognames.values():
# propagate except for root app logger 'linkcheck'
propagate = applog != LOG_ROOT
configdict['loggers'][applog] = dict(level='INFO', propagate=propagate)
logging.config.dictConfig(configdict)
if handler is None:
handler = ansicolor.ColoredStreamHandler(strm=sys.stderr)
add_loghandler(handler)
def add_loghandler(handler):
"""Add log handler to root logger and LOG_ROOT and set formatting."""
format = "%(levelname)s %(name)s %(asctime)s %(threadName)s %(message)s"
handler.setFormatter(logging.Formatter(format))
logging.getLogger(LOG_ROOT).addHandler(handler)
logging.getLogger().addHandler(handler)
def remove_loghandler(handler):
"""Remove log handler from root logger and LOG_ROOT."""
logging.getLogger(LOG_ROOT).removeHandler(handler)
logging.getLogger().removeHandler(handler)
def reset_loglevel():
"""Reset log level to display only warnings and errors."""
set_loglevel(['all'], logging.WARN)
def set_debug(loggers):
"""Set debugging log level."""
set_loglevel(loggers, logging.DEBUG)
# enable for httplib debugging (used by requests.packages.urllib3)
# import httplib
# httplib.HTTPConnection.debuglevel = 1
def set_loglevel(loggers, level):
"""Set logging levels for given loggers."""
if not loggers:
return
if 'all' in loggers:
loggers = lognames.keys()
for key in loggers:
logging.getLogger(lognames[key]).setLevel(level)
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