serverless framework friendly logformat

lambdahelper.py

from __future__ import division, print_function, unicode_literals

import logging
import os


def setup_logging():
    'serverless framework friendly logformat'
    if 'LAMBDA_TASK_ROOT' not in os.environ:
        return
    logger = logging.getLogger()
    fmt = (
        '%(asctime)s.%(msecs)3d (Z)\t%(aws_request_id)s\t'
        '[%(name)s:%(funcName)s]\t[%(levelname)s]\t%(message)s\n'
    )
    datefmt = '%Y-%m-%d %H:%M:%S'
    for hand in logger.handlers:
        hand.setFormatter(logging.Formatter(fmt, datefmt=datefmt))
    logger.setLevel(logging.DEBUG)

    # Silence Boto a bit
    logging.getLogger('boto3').setLevel(logging.WARNING)
    logging.getLogger('botocore').setLevel(logging.WARNING)
    logging.getLogger('s3transfer').setLevel(logging.WARNING)