anvil/anvil/log.py

127 lines
3.4 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.
# pylint: disable=C0103
import logging
import sys
from anvil import colorizer
# 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
# 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
# Nice translator
getLevelName = logging.getLevelName
# Classes
root = logging.root
Formatter = logging.Formatter
# Handlers
StreamHandler = logging.StreamHandler
FileHandler = logging.FileHandler
class TermFormatter(logging.Formatter):
COLOR_MAP = {
logging.DEBUG: 'blue',
logging.INFO: 'cyan',
logging.WARNING: 'yellow',
logging.ERROR: 'red',
logging.CRITICAL: 'red',
}
MSG_COLORS = {
logging.CRITICAL: 'red',
}
def __init__(self, reg_fmt=None, date_format=None):
logging.Formatter.__init__(self, reg_fmt, date_format)
def _format_msg(self, lvl, msg):
color_to_be = self.MSG_COLORS.get(lvl)
if color_to_be:
return colorizer.color(msg, color_to_be, bold=True)
else:
return msg
def _format_lvl(self, lvl, lvl_name):
color_to_be = self.COLOR_MAP.get(lvl)
if color_to_be:
return colorizer.color(lvl_name, color_to_be)
else:
return lvl_name
def format(self, record):
record.levelname = self._format_lvl(record.levelno, record.levelname)
record.msg = self._format_msg(record.levelno, record.msg)
return logging.Formatter.format(self, record)
class TermAdapter(logging.LoggerAdapter):
warn = logging.LoggerAdapter.warning
def __init__(self, logger):
logging.LoggerAdapter.__init__(self, logger, dict())
def setupLogging(log_level,
term_format='%(levelname)s: @%(name)s : %(message)s',
tee_filename='/var/log/anvil.log',
tee_format='%(asctime)s : %(levelname)s: @%(name)s : %(message)s'):
root_logger = getLogger().logger
console_formatter = TermFormatter(term_format)
console_logger = StreamHandler(sys.stdout)
console_logger.setLevel(log_level)
console_logger.setFormatter(console_formatter)
root_logger.addHandler(console_logger)
file_formatter = logging.Formatter(tee_format)
file_logger = FileHandler(tee_filename)
file_logger.setFormatter(file_formatter)
file_logger.setLevel(DEBUG)
root_logger.addHandler(file_logger)
root_logger.setLevel(DEBUG)
def getLogger(name='anvil'):
return TermAdapter(logging.getLogger(name))