Update app.py

app.py

@@ -103,5 +103,33 @@ with gr.Blocks(theme=my_applio, title="Applio") as Applio:
 #        restart_tab()
 
 
+def launch_gradio(port):
+    Applio.launch(
+        favicon_path="assets/ICON.ico",
+        share="--share" in sys.argv,
+        inbrowser="--open" in sys.argv,
+        server_port=port,
+    )
+
+
 if __name__ == "__main__":
-    Applio.launch()
+    port = 6969
+    if "--port" in sys.argv:
+        port_index = sys.argv.index("--port") + 1
+        if port_index < len(sys.argv):
+            port = int(sys.argv[port_index])
+
+        launch_gradio(port)
+
+    else:
+        # if launch fails, decrement port number and try again (up to 10 times)
+        for i in range(10):
+            try:
+                launch_gradio(port)
+                break
+            except OSError:
+                print("Failed to launch on port", port, "- trying again...")
+                port -= 1
+            except Exception as e:
+                print(f"Unexpected error during launch: {e}")
+                break