Update App2.py

App2.py

@@ -86,33 +86,40 @@ def generate_response(message, history, temperature, top_p, top_k, max_output_to
     return "", history, history
 
 
-# ===== 起動後にテーマ切替する仕組み =====
+# ===== 再ロード方式のテーマ設定 =====
 THEMES = {
     "Eternalstar": "Sakalti/Eternalstar",
     "Mountainrainbow": "Sakalti/mountanrainbow"
 }
 
-def theme_js(choice):
-    css_link = f"https://huggingface.co/spaces/{THEMES[choice]}/resolve/main/theme.css"
-    return f"""
-    let old = document.getElementById("dynamic-theme");
-    if (old) old.remove();
-    let link = document.createElement("link");
-    link.id = "dynamic-theme";
-    link.rel = "stylesheet";
-    link.href = "{css_link}";
-    document.head.appendChild(link);
-    """
+# 保存用ファイル
+THEME_FILE = "theme_choice.txt"
 
+def save_theme(choice):
+    with open(THEME_FILE, "w", encoding="utf-8") as f:
+        f.write(choice)
+    return f"テーマを「{choice}」に変更しました。再起動してください。"
 
-with gr.Blocks(theme=THEMES["Eternalstar"]) as demo:
+# 前回の選択をロード
+if os.path.exists(THEME_FILE):
+    with open(THEME_FILE, "r", encoding="utf-8") as f:
+        theme_choice = f.read().strip()
+else:
+    theme_choice = "Eternalstar"
+
+
+# ===== Gradio UI構築 =====
+with gr.Blocks(theme=THEMES[theme_choice]) as demo:
     gr.Markdown("## Gemini AIキャラクターチャット")
 
-    # テーマ切り替えドロップダウン
-    theme_dropdown = gr.Dropdown(choices=list(THEMES.keys()), value="Eternalstar", label="テーマ切り替え")
+    with gr.Row():
+        theme_dropdown = gr.Dropdown(choices=list(THEMES.keys()), value=theme_choice, label="テーマ切り替え")
+        theme_status = gr.Textbox(label="テーマステータス", interactive=False)
+
+    theme_dropdown.change(save_theme, inputs=[theme_dropdown], outputs=[theme_status])
 
     with gr.Tab("チャット"):
-        chatbot = gr.Chatbot(type="messages")  # ← 警告解消のため type を指定
+        chatbot = gr.Chatbot(type="messages")
         msg = gr.Textbox(placeholder="メッセージを入力...")
         state = gr.State([])
         system_prompt = gr.Textbox(label="キャラのシステムプロンプト", lines=4)
@@ -159,12 +166,5 @@ with gr.Blocks(theme=THEMES["Eternalstar"]) as demo:
         character_list.change(load_prompt, inputs=[character_list], outputs=[system_prompt])
         demo.load(refresh_characters, outputs=[character_list])
 
-    # ドロップダウンでテーマ切り替え
-    theme_dropdown.change(
-        fn=None,
-        inputs=[theme_dropdown],
-        outputs=[],
-        js=theme_js  # ← Gradio v4 は _js ではなく js を直接渡せる
-    )
 
 demo.launch()