Einloggen funktioniert

lib/DB/DbManager.py

@@ -7,20 +7,25 @@ class DbManager(object):
     __dbmanager = None
 
     def __new__(cls, dbconf = None):
+
         if cls.__dbmanager is None:
             cls.__dbmanager = super(DbManager, cls).__new__(cls)
             cls.__dbmanager.__initializeConfig(dbconf)
 
         return cls.__dbmanager
 
-    def getConnection(cls):
-        if not cls.__connection:
-            try:
-                cls.__connection = mariadb.connect(**cls.__con_param)
 
+    def getConnection(cls):
+            try:
+                if not cls.__connection  or not cls.__connection.ping():
+                    cls.__connection = mariadb.connect(**cls.__con_param)
+            except mariadb.InterfaceError as e:
+                cls.__connection = mariadb.connect(**cls.__con_param)
+                print(f"INTERFACE ERROR: {e}")
             except mariadb.Error as e:
-                print("Connection parameters are wrong: {e}")
-        return cls.__connection
+                print(f"Connection parameters are wrong: {e}")
+
+            return cls.__connection
 
     def __initializeConfig(cls, dbconf):
         cls.__con_param = { 'user': dbconf['DB_USER'], 'password': dbconf['DB_PASS'],
@@ -30,3 +35,5 @@ class DbManager(object):
 
 
 
+
+