Python: Simple logging setup.

setlog.py

def set_logging(level=logging.INFO):
  level = logging.getLevelName(os.getenv('LOG_LEVEL', 'INFO').upper())
  logger = logging.getLogger(__name__)
  logger.setLevel(level)

  handler = logging.StreamHandler()
  handler.setLevel(level)
  handler.setFormatter(logging.Formatter(
    '%(asctime)s %(name)s: %(funcName)s %(levelname)s[%(lineno)d]: %(message)s'
  ))

  logger.addHandler(handler)
  return logger

LOG = set_logging()