edit.py 文件源码

def get_model_form(self, **kwargs):
        """
        ?? Model ?? Form ?????????
        """
        if self.exclude is None:
            exclude = []
        else:
            exclude = list(self.exclude)
        exclude.extend(self.get_readonly_fields())
        if self.exclude is None and hasattr(self.form, '_meta') and self.form._meta.exclude:
            # ?? :attr:`~xadmin.views.base.ModelAdminView.exclude` ? None??? form ? Meta.exclude ????
            # ??? form ? Meta.exclude
            exclude.extend(self.form._meta.exclude)
        # ?? exclude ?????????? None
        #exclude = exclude or None
        defaults = {
            "form": self.form,
            "fields": self.fields and list(self.fields) or None,
            "exclude": exclude,
            "formfield_callback": self.formfield_for_dbfield,    # ?????????????
        }
        defaults.update(kwargs)
        # ?? modelform_factory ?? Form ?
        return modelform_factory(self.model, **defaults)