anvil/devstack/log.py
2012-03-12 18:12:07 -07:00

92 lines
2.5 KiB
Python

# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright (C) 2012 Yahoo! Inc. All Rights Reserved.
#
# Copyright 2011 OpenStack LLC.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import functools
import logging
import pprint
from logging.handlers import SysLogHandler
from logging.handlers import WatchedFileHandler
# a list of things we want to replicate from logging levels
CRITICAL = logging.CRITICAL
FATAL = logging.FATAL
ERROR = logging.ERROR
WARNING = logging.WARNING
WARN = logging.WARN
INFO = logging.INFO
DEBUG = logging.DEBUG
NOTSET = logging.NOTSET
# our new audit level
# http://docs.python.org/howto/logging.html#logging-levels
logging.AUDIT = logging.DEBUG + 1
logging.addLevelName(logging.AUDIT, 'AUDIT')
AUDIT = logging.AUDIT
# methods
debug = logging.debug
info = logging.info
warning = logging.warning
warn = logging.warn
error = logging.error
exception = logging.exception
critical = logging.critical
log = logging.log
# classes
root = logging.root
Formatter = logging.Formatter
# handlers
StreamHandler = logging.StreamHandler
WatchedFileHandler = WatchedFileHandler
SysLogHandler = SysLogHandler
class AuditAdapter(logging.LoggerAdapter):
warn = logging.LoggerAdapter.warning
def __init__(self, logger):
logging.LoggerAdapter.__init__(self, logger, dict())
self.logger = logger
def audit(self, msg, *args, **kwargs):
self.log(logging.AUDIT, msg, *args, **kwargs)
def process(self, msg, kwargs):
return msg, kwargs
def getLogger(name='devstack'):
return AuditAdapter(logging.getLogger(name))
def log_debug(f):
@functools.wraps(f)
def wrapper(*args, **kw):
if root.isEnabledFor(debug):
logging.debug('%s(%s, %s) ->', f.func_name, str(args), str(kw))
rv = f(*args, **kw)
if root.isEnabledFor(debug):
logging.debug(pprint.pformat(rv, indent=2))
logging.debug('')
return rv
return wrapper