middleware.py 文件源码

def __init__(self, *args, **kwargs):
        super().__init__(*args, **kwargs)
        if not RequestQueryCountConfig.enabled():
            raise MiddlewareNotUsed()
        self.force_debug_cursor = False
        self.initial_queries = 0
        self.final_queries = None
        self.connection = connections[DEFAULT_DB_ALIAS]