admin.py 文件源码

def formfield_for_dbfield(self, db_field, **kwargs):
        if db_field.name == 'entity':
            formfield = super(EventEntityInline, self).formfield_for_dbfield(db_field, **kwargs)
            widget = EditableForeignKeyRawIdWidget(db_field.rel, site)
            formfield.widget = widget
            return formfield
        return super(EventEntityInline, self).formfield_for_dbfield(
            db_field, **kwargs)