formatted_logger.py

import logging
import os
import time

default_log_path = './logs'

def formatted_logger(label, level=None, format=None, date_format=None, file_path=None):
	log = logging.getLogger(label)
	if level is None:
		level = logging.INFO
	elif level.lower() == 'debug':
		level = logging.DEBUG
	elif level.lower() == 'info':
		level = logging.INFO
	elif level.lower() == 'warn':
		level = logging.WARN
	elif level.lower() == 'error':
		level = logging.ERROR
	elif level.lower() == 'critical':
		level = logging.CRITICAL
	log.setLevel(level)

	if format is None:
		format = '%(asctime)s %(levelname)s:%(name)s:%(message)s'
	if date_format is None:
		date_format = '%Y-%m-%d %H:%M:%S'
	if file_path is None:
		if not os.path.exists(default_log_path):
			os.makedirs(default_log_path)
		file_path = '%s/%s.%s.log.txt' % (default_log_path, label, time.strftime("%Y-%m-%d_%H-%M-%S", time.localtime()))

	formatter = logging.Formatter(format, date_format)
	stream_handler = logging.StreamHandler()
	stream_handler.setFormatter(formatter)
	file_handler = logging.FileHandler(file_path)
	file_handler.setFormatter(formatter)
	log.addHandler(file_handler)
	log.addHandler(stream_handler)
	return log