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# Software Management Providers
#
# Copyright (C) 2012-2013 Red Hat, Inc. All rights reserved.
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# Authors: Michal Minar <miminar@redhat.com>
#
"""
Common utilities meant to be used only be ``yumdb`` subpackage.
"""
import logging
from lmi.software.util import cmpi_logging
from lmi.software.util import Configuration
DEBUG_LOGGING_CONFIG = {
"version" : 1,
'disable_existing_loggers' : True,
"formatters": {
# this is a message format for logging function/method calls
# it's manually set up in YumWorker's init method
"default": {
"()": "lmi.software.util.cmpi_logging.DispatchingFormatter",
"formatters" : {
"lmi.software.util.cmpi_logging.trace_function_or_method":
"%(asctime)s %(levelname)s:%(message)s"
},
"default" : "%(asctime)s %(levelname)s:%(module)s:"
"%(funcName)s:%(lineno)d - %(message)s"
},
},
"handlers": {
"file" : {
"class" : "logging.FileHandler",
"filename" : "/var/tmp/YumWorker.log",
"level" : "DEBUG",
"formatter": "default",
},
},
"root": {
"level": "DEBUG",
"handlers" : ["file"]
},
}
DISABLED_LOGGING_CONFIG = {
'version' : 1,
'disable_existing_loggers' : True,
'handlers': {
'null' : {
'class': 'logging.FileHandler',
'level': 'CRITICAL',
'filename': '/dev/null'
}
},
'root' : {
'level': 'CRITICAL',
'handlers' : ['null'],
}
}
def setup_logging():
"""
This is meant to be used by ``YumWorker`` process to setup logging
independent of what providers are using. Unfortunately ``YumWorker``
can not use the same facilities as the rest of program, because
logging is done through *broker*.
"""
config = Configuration.get_instance()
cp = config.config
logging_setup = False
if cp.has_option('YumWorkerLog', 'file_config'):
try:
file_path = config.file_path('YumWorkerLog', 'file_config')
logging.config.fileConfig(file_path)
logging_setup = True
except Exception:
pass
if logging_setup is False:
out = config.get_safe('YumWorkerLog', 'output_file')
if out is not None:
try:
defaults = DEBUG_LOGGING_CONFIG.copy()
defaults["handlers"]["file"]["filename"] = out
level = config.get_safe('YumWorkerLog', 'level')
level = cmpi_logging.LOGGING_LEVELS[level.lower()]
defaults["handlers"]["file"]["level"] = level
defaults["root"]["level"] = level
logging.config.dictConfig(defaults)
logging_setup = True
except Exception:
pass
if logging_setup is False:
# disable logging completely
logging.config.dictConfig(DISABLED_LOGGING_CONFIG)
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