add updater for windows (experimental)

core/utils/config/settings.py

@@ -5,18 +5,45 @@ def restart_aria2c():
     import main # had to do this because of circle import :(
     import signal
     import atexit
-    main.kill_aria2server()
-    state.aria2process.wait()
-    state.aria2process = main.run_aria2server()
-    signal.signal(signal.SIGINT, main.keyboardinterrupthandler)
-    atexit.unregister(main.kill_aria2server)
-    atexit.register(main.kill_aria2server)
+    import time
 
-def save_settings(thread_count, close, apiurl, download_path, speed_limit):
-    state.aria2_threads = thread_count
-    state.api_url = apiurl
-    state.download_path = download_path
-    state.speed_limit = speed_limit
+    try:
+        main.kill_aria2server()
+    except Exception as e:
+        print(f"Warning: aria2server kill failed: {e}")
+
+    try:
+        if state.aria2process:
+            state.aria2process.wait(timeout=3)
+    except Exception as e:
+        print(f"Warning: aria2process wait failed: {e}")
+
+    time.sleep(0.5)
+
+    try:
+        state.aria2process = main.run_aria2server()
+    except Exception as e:
+        print(f"Error: failed to restart aria2server: {e}")
+        return
+
+    try:
+        signal.signal(signal.SIGINT, main.keyboardinterrupthandler)
+        atexit.unregister(main.kill_aria2server)
+        atexit.register(main.kill_aria2server)
+    except Exception as e:
+        print(f"Warning: signal/atexit setup failed: {e}")
+
+def save_settings(thread_count=None, close=lambda: None, apiurl=None, download_path=None, speed_limit=None, version=None):
+    if thread_count is not None:
+        state.aria2_threads = thread_count
+    if apiurl is not None:
+        state.api_url = apiurl
+    if download_path is not None:
+        state.download_path = download_path
+    if speed_limit is not None:
+        state.speed_limit = speed_limit
+    if version is not None:
+        state.version = version
     
     create_config()
     restart_aria2c()