Implement flag handling and migration status checks; refactor database test functions and update requirements

cli.py

@@ -3,6 +3,7 @@ import logging
 import time
 import os
 import sys
+from flags import status
 
 
 print("loading")
@@ -129,7 +130,6 @@ def exit_programm():
     print("")
     print("Disconnect DB")
     print("logout")
-    os.remove("migration_status.flag")
     print("shutting down")
     time.sleep(0.75)
     os.system('cls' if os.name == 'nt' else 'clear')
@@ -178,7 +178,7 @@ def menu():
 
 
 #The Terminal App Starts here
-time.sleep(5)
+time.sleep(2)
 print(r"""
 ##      ##    ##########
 ###    ###    ##      ##
@@ -187,8 +187,8 @@ print(r"""
 ##  ##  ##    ##      ##
 ##      ##    ##      ##
 """)
+while not status.get_migration():
+    time.sleep(0.5)
 logging.info("Menu is starting")
 time.sleep(2.5)
-while not os.path.exists("migration_status.flag"):
-    time.sleep(0.5)
 menu()