From 615b8f46a3bd0487327a7c955d1a5bc0fec09746 Mon Sep 17 00:00:00 2001
From: Michael Herzberg <mail@michael-herzberg.de>
Date: Sat, 7 Oct 2017 21:01:14 +0100
Subject: [PATCH] Fixed mysql caching.

---
 ExtensionCrawler/dbbackend/mysql_backend.py | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/ExtensionCrawler/dbbackend/mysql_backend.py b/ExtensionCrawler/dbbackend/mysql_backend.py
index 49e8b9e..6572d8e 100644
--- a/ExtensionCrawler/dbbackend/mysql_backend.py
+++ b/ExtensionCrawler/dbbackend/mysql_backend.py
@@ -28,15 +28,14 @@ from ExtensionCrawler.util import log_info, log_error, log_exception
 
 
 class MysqlBackend:
-    cache = {}
-    db = None
-    cursor = None
-
     def __init__(self, ext_id, try_wait=config.const_mysql_try_wait(), maxtries=config.const_mysql_maxtries(), **kwargs):
         self.ext_id = ext_id
         self.dbargs = kwargs
         self.try_wait = try_wait
         self.maxtries = maxtries
+        self.cache = {}
+        self.db = None
+        self.cursor = None
 
     def __enter__(self):
         self._create_conn()