Disconnect Handling to SQL

.gitignore

@@ -3,6 +3,7 @@
 
 #ignore IDE settings
 *.idea*
+*.vscode*
 
 #setup
 build/*

database/db.py

@@ -43,25 +43,22 @@ def db_inputs(connection_type):
 
 def create_connection():
     """
-    a function to create connections to db, it retries 100 times if connection returned an error
+    a function to create connections to db with pessimistic approach
 
     Returns:
         connection if success otherwise False
     """
-    try:
-        for _ in range(0, 100):
     try:
         db_engine = create_engine(
             db_inputs(DB),
             connect_args={
                 'check_same_thread': False
-                    }
+            },
+            pool_pre_ping=True
         )
         Session = sessionmaker(bind=db_engine)
         session = Session()
         return session
-            except Exception:
-                time.sleep(0.1)
     except Exception:
         warn(messages("database_connect_fail"))
     return False

requirements.txt

@@ -9,7 +9,7 @@ texttable==1.6.7
 PySocks==1.7.1 # library_name=socks # module name is not equal to socks name; this is required to be checked on startup
 pyOpenSSL==23.2.0 # library_name=OpenSSL
 flask==2.3.2
-SQLAlchemy>=1.3.0 # library_name=sqlalchemy
+SQLAlchemy>=1.4.43 # library_name=sqlalchemy
 py3DNS==3.2.1 # library_name=DNS
 numpy==1.24.3
 terminable_thread==0.7.1