Synnefo

#!/usr/bin/env python

import logging

from os import environ

_logger = None

def init_logger_file(name, level='DEBUG'):

    logger = logging.getLogger(name)

    handler = logging.FileHandler(name + '.log')

    formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')

    handler.setFormatter(formatter)

    logger.addHandler(handler)

    level = getattr(logging, level, logging.DEBUG)

    logger.setLevel(level)

    global _logger

    _logger = logger

    return logger

def init_logger_stderr(name, level='DEBUG'):

    logger = logging.getLogger(name)

    from sys import stderr

    handler = logging.StreamHandler(stderr)

    formatter = logging.Formatter('%(asctime)s %(levelname)s %(message)s')

    handler.setFormatter(formatter)

    logger.addHandler(handler)

    level = getattr(logging, level, logging.DEBUG)

    logger.setLevel(level)

    global _logger

    _logger = logger

    return logger

def debug(fmt, *args):

    global _logger

    if _logger is None:

        init_logger_stderr('logger', get_level())

    _logger.debug(fmt % args)

def get_level(default='INFO'):

    try:

        return environ['DEBUG_LEVEL']

    except:

        return default