form.py 文件源码

def get_form_class(self, obj=None, modelform_class=None, **kwargs):
        """
        Returns a Form class for use in the add/edit views.
        """
        # form will have been passed by an upstream call to get_formset_class
        # so if it is missing, this must be a single-object view on a non-inline
        # controller
        if modelform_class is None:
            modelform_class = self.modelform_class
        form_class_kwargs = self.get_form_class_kwargs(
            modelform_class=modelform_class, obj=obj, **kwargs)

        try:
            ModelForm = forms.modelform_factory(self.model, **form_class_kwargs)
        except FieldError as e:
            raise FieldError(
                '%s. Check fields/fieldsets/exclude attributes of class %s.'
                % (e, self.__class__.__name__)
            )
        return ModelForm