forms.py 文件源码

def build_file_select_form(schema):
    class FileSelectForm(Form):
        pass

    for field_name, field_schema in schema.items():
        if field_schema['type'] == 'boolean':
            field = BooleanField()
        elif field_schema['type'] == 'string':
            if 'allowed' in field_schema:
                choices = [(c, c) for c in field_schema['allowed']]
                field = SelectField(choices=choices)
            else:
                field = StringField()
        elif field_schema['type'] == 'objectid':
            field = FileSelectField('file')
        else:
            raise ValueError('field type %s not supported' % field_schema['type'])

        setattr(FileSelectForm, field_name, field)
    return FileSelectForm