_django_db_models_base.py 文件源码

def _decodeValue(self, field, value):
        if value is pyamf.Undefined:
            return fields.NOT_PROVIDED

        if isinstance(field, fields.AutoField) and value == 0:
            return None
        elif isinstance(field, fields.DateTimeField):
            # deal with dates
            return value
        elif isinstance(field, fields.DateField):
            if not value:
                return None

            return datetime.date(value.year, value.month, value.day)
        elif isinstance(field, fields.TimeField):
            if not value:
                return None

            return datetime.time(
                value.hour,
                value.minute,
                value.second,
                value.microsecond,
            )

        return value