validation.py 文件源码

def parse_datetime(date):
    """
    Validates date is in iso8601 format. Returns parsed datetime in UTC as as
    native datetime (tzinfo=None).
    """
    if not isinstance(date, basestring):
        raise Invalid('date is not a string')
    try:
        return iso8601.parse_date(date).astimezone(iso8601.UTC).replace(
            tzinfo=None)
    except:
        raise Invalid('date is not in iso8601 format')