commands.py 文件源码

def _decode_date(string):
  """Decodes a date from a command line argument, as msec since the epoch."""
  try:
    return int(string)
  except ValueError:
    date_formats = ['%Y-%m-%d',
                    '%Y-%m-%dT%H:%M:%S',
                    '%Y-%m-%dT%H:%M:%S.%f']
    for date_format in date_formats:
      try:
        dt = datetime.datetime.strptime(string, date_format)
        return _timestamp_ms_for_datetime(dt)
      except ValueError:
        continue
  raise argparse.ArgumentTypeError(
      'Invalid value for property of type "date": "%s".' % string)