Colored log formatter for Python's logging

pretty_log_formatter.py

import logging

LEVELS = {
	logging.CRITICAL: { 'label': "CRIT ", 'style-pre': "\033[95m", 'style-post': "\033[0m" },
	logging.ERROR:    { 'label': "ERROR", 'style-pre': "\033[91m", 'style-post': "\033[0m" },
	logging.WARNING:  { 'label': "WARN ", 'style-pre': "\033[93m", 'style-post': "\033[0m" },
	logging.INFO:     { 'label': "INFO ", 'style-pre': "\033[97m", 'style-post': "\033[0m" },
	logging.DEBUG:    { 'label': "DEBUG", 'style-pre': "\033[37m", 'style-post': "\033[0m" },
	logging.NOTSET:   { 'label': "     ", 'style-pre': "\033[90m", 'style-post': "\033[0m" },
}

class Formatter(logging.Formatter):
	def format(self, record):
		level = LEVELS[max(filter(lambda lvl: record.levelno >= lvl, LEVELS))]

		if record.exc_info:
			exc_msg = "\n" + super().formatException(record.exc_info)
		else:
			exc_msg = ""

		super().format(record)

		return "%s%s [%s] [%s] %s%s%s" % (
			level['style-pre'],
			super().formatTime(record),
			level['label'],
			record.name,
			record.message,
			exc_msg,
			level['style-post']
		)