detail.py 文件源码

def get_model_form(self, **kwargs):
        """
        Returns a Form class for use in the admin add view. This is used by
        add_view and change_view.
        """
        if self.exclude is None:
            exclude = []
        else:
            exclude = list(self.exclude)
        if self.exclude is None and hasattr(self.form, '_meta') and self.form._meta.exclude:
            # Take the custom ModelForm's Meta.exclude into account only if the
            # ModelAdmin doesn't define its own.
            exclude.extend(self.form._meta.exclude)
        # if exclude is an empty list we pass None to be consistant with the
        # default on modelform_factory
        exclude = exclude or None
        defaults = {
            "form": self.form,
            "fields": self.fields and list(self.fields) or None,
            "exclude": exclude,
        }
        defaults.update(kwargs)
        return modelform_factory(self.model, **defaults)