Add a CLI command to delete expired session files

Updates: #1999
Updates: #8355

Author: cbandy

web/setup.py

@@ -42,6 +42,7 @@
 from pgadmin import create_app
 from pgadmin.utils import clear_database_servers, dump_database_servers, \
     load_database_servers, _handle_error
+from pgadmin.utils.session import cleanup_session_files
 from pgadmin.setup import db_upgrade, create_app_data_directory
 from typing import Optional, List
 from typing_extensions import Annotated
@@ -636,6 +637,16 @@ def run_migration_for_others():
         run_migration_for_sqlite()
 
 
+class ManageSessions:
+
+    @app.command()
+    def cleanup_session_files():
+        """Delete expired session files."""
+        app = create_app(config.APP_NAME + '-cli')
+        with app.app_context():
+            cleanup_session_files()
+
+
 def main():
     app()