remove dead middleware

InvenTree/InvenTree/middleware.py

@@ -92,67 +92,6 @@ class AuthRequiredMiddleware(object):
         return response
 
 
-class QueryCountMiddleware(object):
-    """
-    This middleware will log the number of queries run
-    and the total time taken for each request (with a
-    status code of 200). It does not currently support
-    multi-db setups.
-
-    To enable this middleware, set 'log_queries: True' in the local InvenTree config file.
-
-    Reference: https://www.dabapps.com/blog/logging-sql-queries-django-13/
-
-    Note: 2020-08-15 - This is no longer used, instead we now rely on the django-debug-toolbar addon
-    """
-
-    def __init__(self, get_response):
-        self.get_response = get_response
-
-    def __call__(self, request):
-
-        t_start = time.time()
-        response = self.get_response(request)
-        t_stop = time.time()
-
-        if response.status_code == 200:
-            total_time = 0
-
-            if len(connection.queries) > 0:
-
-                queries = {}
-
-                for query in connection.queries:
-                    query_time = query.get('time')
-
-                    sql = query.get('sql').split('.')[0]
-
-                    if sql in queries:
-                        queries[sql] += 1
-                    else:
-                        queries[sql] = 1
-
-                    if query_time is None:
-                        # django-debug-toolbar monkeypatches the connection
-                        # cursor wrapper and adds extra information in each
-                        # item in connection.queries. The query time is stored
-                        # under the key "duration" rather than "time" and is
-                        # in milliseconds, not seconds.
-                        query_time = float(query.get('duration', 0))
-
-                    total_time += float(query_time)
-
-                logger.debug('{n} queries run, {a:.3f}s / {b:.3f}s'.format(
-                    n=len(connection.queries),
-                    a=total_time,
-                    b=(t_stop - t_start)))
-
-                for x in sorted(queries.items(), key=operator.itemgetter(1), reverse=True):
-                    print(x[0], ':', x[1])
-
-        return response
-
-
 url_matcher = url('', include(frontendpatterns))