my_activity.py 文件源码

def datetime_from_rietveld(date_string):
  try:
    return datetime.strptime(date_string, '%Y-%m-%d %H:%M:%S.%f')
  except ValueError:
    # Sometimes rietveld returns a value without the milliseconds part, so we
    # attempt to parse those cases as well.
    return datetime.strptime(date_string, '%Y-%m-%d %H:%M:%S')