inline.py 文件源码

def get_attrs(self):
        fields = []
        readonly_fields = []
        if len(self.formset):
            fields = [f for k, f in self.formset[0].fields.items() if k != DELETION_FIELD_NAME]
            readonly_fields = [f for f in getattr(self.formset[0], 'readonly_fields', [])]
        return {
            'fields': fields,
            'readonly_fields': readonly_fields
        }