fields.py 文件源码

def to_internal_value(self, value):
        input_formats = getattr(self, 'input_formats', api_settings.TIME_INPUT_FORMATS)

        if isinstance(value, datetime.time):
            return value

        for input_format in input_formats:
            if input_format.lower() == ISO_8601:
                try:
                    parsed = parse_time(value)
                except (ValueError, TypeError):
                    pass
                else:
                    if parsed is not None:
                        return parsed
            else:
                try:
                    parsed = self.datetime_parser(value, input_format)
                except (ValueError, TypeError):
                    pass
                else:
                    return parsed.time()

        humanized_format = humanize_datetime.time_formats(input_formats)
        self.fail('invalid', format=humanized_format)