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# -*- coding: utf-8 -*-
# Copyright (C) 2014 Yahoo! Inc. 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.
from __future__ import absolute_import
import logging
from debtcollector import moves
_BASE = __name__.split(".", 1)[0]
# Add a BLATHER/TRACE level, this matches the multiprocessing
# utils.py module (and oslo.log, kazoo and others) that declares a similar
# level, this level is for information that is even lower level than regular
# DEBUG and gives out so much runtime information that it is only
# useful by low-level/certain users...
BLATHER = 5
TRACE = BLATHER
# Copy over *select* attributes to make it easy to use this module.
CRITICAL = logging.CRITICAL
DEBUG = logging.DEBUG
ERROR = logging.ERROR
FATAL = logging.FATAL
INFO = logging.INFO
NOTSET = logging.NOTSET
WARN = logging.WARN
WARNING = logging.WARNING
class _TraceLoggerAdapter(logging.LoggerAdapter):
@moves.moved_method("trace", version="1.26.0", removal_version="?")
def blather(self, msg, *args, **kwargs):
"""Delegate a blather call to the underlying logger."""
self.log(BLATHER, msg, *args, **kwargs)
def trace(self, msg, *args, **kwargs):
"""Delegate a trace call to the underlying logger."""
self.log(TRACE, msg, *args, **kwargs)
def warn(self, msg, *args, **kwargs):
"""Delegate a warning call to the underlying logger."""
self.warning(msg, *args, **kwargs)
def getLogger(name=_BASE, extra=None):
logger = logging.getLogger(name)
if not logger.handlers:
logger.addHandler(logging.NullHandler())
return _TraceLoggerAdapter(logger, extra=extra)
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