<reponame>mdrio/promort_tools
#  Copyright (c) 2021, CRS4
#
#  Permission is hereby granted, free of charge, to any person obtaining a copy of
#  this software and associated documentation files (the "Software"), to deal in
#  the Software without restriction, including without limitation the rights to
#  use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
#  the Software, and to permit persons to whom the Software is furnished to do so,
#  subject to the following conditions:
#
#  The above copyright notice and this permission notice shall be included in all
#  copies or substantial portions of the Software.
#
#  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
#  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
#  FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
#  COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
#  IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
#  CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

import logging

LOG_FORMAT = '%(asctime)s|%(levelname)-8s|%(message)s'
LOG_DATEFMT = '%Y-%m-%d %H:%M:%S'
LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']


def get_logger(log_level, log_file, mode='a'):
    logger = logging.getLogger('odin')
    if not isinstance(log_level, int):
        try:
            log_level = getattr(logging, log_level)
        except AttributeError:
            raise ValueError('Unsupported literal log level: %s' % log_level)
    logger.setLevel(log_level)
    logger.handlers = []
    if log_file:
        handler = logging.FileHandler(log_file, mode=mode)
    else:
        handler = logging.StreamHandler()
    formatter = logging.Formatter(LOG_FORMAT, datefmt=LOG_DATEFMT)
    handler.setFormatter(formatter)
    logger.addHandler(handler)
    return logger
