Changed some issues with the scope of psycopg cursors in some scripts

lib/verify-db-app-version.py

@@ -15,9 +15,7 @@ from psycopg2 import errorcodes
 
 
 def check_file():
-
     db_app_version_file = Path("./config/db_app_version.txt")
-
     if not db_app_version_file.exists():
         exit(1)
     if not db_app_version_file.is_file():
@@ -27,78 +25,56 @@ def check_file():
 
 
 def check_database():
-
+    connection = connect(
+        user = environ["PGDB_USER"],
+        password = environ["PGDB_PASSWORD"],
+        host = environ["PGDB_HOST"],
+        port = environ["PGDB_PORT"],
+        database = environ["PGDB_DB"]
+    ) 
+    cur = connection.cursor()
     try:
-
-        connection = connect(
-            user = environ["PGDB_USER"],
-            password = environ["PGDB_PASSWORD"],
-            host = environ["PGDB_HOST"],
-            port = environ["PGDB_PORT"],
-            database = environ["PGDB_DB"]
-        )
-        
-        cur = connection.cursor()
-
         # check application version in db
-
         cur.execute("""
             select value from application_info
             where key = 'app_version';
         """)
-
         appinfo_result = list(cur.fetchone())[0]
-
         if appinfo_result == None:
             cur.close()
             connection.close()
             exit(1)
-        
         if appinfo_result != environ["APP_VERSION"]:
             cur.close()
             connection.close()
             exit(1)
-        
         # check rows in app_global
-
         required_rows = [
             "global_message",
             "admin_info"
         ]
-
         cur.execute("""
             select name from app_global;
         """)
-
         table_global_result = list(cur.fetchall())
-
         cur.close()
         connection.close()
-
         existing_rows = [list(row)[0] for row in table_global_result]
-        
         for r in required_rows:
             if not r in existing_rows:
                 exit(1)
-    
     except Error:
-
         cur.close()
         connection.close()
         exit(1)
-    
     except Exception as e:
-
         print(f"An exception occured: {e}")
         cur.close()
         connection.close()
         exit(1)
-    
 
 
 if __name__ == "__main__":
-
     check_file()
     check_database()
-    
     exit(0)