rest.py 文件源码

def format(self, value):
        if value is None:
            return None
        if isinstance(value, (int, float)):
            value = datetime.fromtimestamp(value)
        if isinstance(value, (datetime.datetime, datetime.date)):
            if getattr(value, 'tzinfo', True) is None:
                value = value.replace(tzinfo=pytz.UTC)
            return value.isoformat()
        raise ValueError('Unable to convert %s to ISO8601.' % str(type(value)))