simple.py 文件源码

def _apply(self, value):
        if len(value) < self.min_length:
            #
            # Note that we do not pad the value:
            #   - It is not clear to which end(s) we should add the
            #     padding.
            #   - It is not clear what the padding value(s) should be.
            #   - We should keep this filter's behavior consistent with
            #     that of MaxLength.
            #
            return self._invalid_value(
                value   = value,
                reason  = self.CODE_TOO_SHORT,

                template_vars = {
                    'length':       len(value),
                    'min':          self.min_length,
                },
            )

        return value