Restore changes from 45df35431

Documented to prevent deleting again

Related Task: [https://fs.golderweb.de/index.php?do=details&task_id=26 FS#26]

lib/mysqlred.py

@@ -174,6 +174,13 @@ SET `page_title` = ?, `rev_id` = ?, `status`= ? WHERE `page_id` = ?;'
 
         self.data = self.get_page()
 
+    def __del__( self ):
+        """
+        Needed to prevent descendant classes of MYSQL_RED from deleting
+        connection to db
+        """
+        pass
+
     def get_page( self ):
         """
         Retrieves a red page row from MySQL-Database for given page_id
@@ -259,6 +266,13 @@ article7 ) VALUES ( ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ? );'
 
         super().__init__( )
 
+    def __del__( self ):
+        """
+        Needed to prevent descendant classes of MYSQL_RED from deleting
+        connection to db
+        """
+        pass
+
     def get_fam( self, fam_hash ):
         """
         Retrieves a red family row from MySQL-Database for given fam_hash