orm.py 文件源码

def convert(self, model, field, field_args):
        kwargs = {
            'label': field.verbose_name,
            'description': field.help_text,
            'validators': [],
            'filters': [],
            'default': field.default,
        }
        if field_args:
            kwargs.update(field_args)

        if field.blank:
            kwargs['validators'].append(validators.Optional())
        if field.max_length is not None and field.max_length > 0:
            kwargs['validators'].append(validators.Length(max=field.max_length))

        ftype = type(field).__name__
        if field.choices:
            kwargs['choices'] = field.choices
            return f.SelectField(**kwargs)
        elif ftype in self.converters:
            return self.converters[ftype](model, field, kwargs)
        else:
            converter = getattr(self, 'conv_%s' % ftype, None)
            if converter is not None:
                return converter(model, field, kwargs)