utils.py 文件源码

def parse_timestamp(value):
    """Parse a timestamp into a datetime object.

    Supported formats:

        * iso8601
        * rfc822
        * epoch (value is an integer)

    This will return a ``datetime.datetime`` object.

    """
    if isinstance(value, (int, float)):
        # Possibly an epoch time.
        return datetime.datetime.fromtimestamp(value, tzlocal())
    else:
        try:
            return datetime.datetime.fromtimestamp(float(value), tzlocal())
        except (TypeError, ValueError):
            pass
    try:
        return dateutil.parser.parse(value)
    except (TypeError, ValueError) as e:
        raise ValueError('Invalid timestamp "%s": %s' % (value, e))