Update app.py

app.py

@@ -3,7 +3,6 @@ import edge_tts
 import gradio as gr
 import os
 from datetime import datetime
-from pydub import AudioSegment
 
 AUDIO_DIR = "saved_audios"
 os.makedirs(AUDIO_DIR, exist_ok=True)
@@ -12,16 +11,17 @@ def generate_unique_filename(folder, prefix="audio", ext="mp3"):
     timestamp = datetime.now().strftime("%Y%m%d_%H%M%S_%f")
     return os.path.join(folder, f"{prefix}_{timestamp}.{ext}")
 
+async def get_voices():
+    # 取得 Edge TTS 可用語音清單
+    voices = await edge_tts.list_voices()
+    return [voice["ShortName"] for voice in voices]
+
 async def generate_speech(text, voice, rate, pitch, folder=AUDIO_DIR):
     output_file = generate_unique_filename(folder)
     communicate = edge_tts.Communicate(text, voice, rate=rate, pitch=pitch)
     await communicate.save(output_file)
     return output_file
 
-async def get_voices():
-    voices = await edge_tts.list_voices()
-    return [voice["ShortName"] for voice in voices]
-
 def list_saved_audios():
     files = sorted(os.listdir(AUDIO_DIR), reverse=True)
     return [os.path.join(AUDIO_DIR, f) for f in files if f.endswith(".mp3")]
@@ -38,6 +38,10 @@ def play_saved_audio(audio_file):
 def clear_textbox():
     return ""
 
+# 先同步取得語音清單，避免 async 問題
+voices = asyncio.run(get_voices())
+default_voice = "zh-CN-XiaoxiaoNeural" if "zh-CN-XiaoxiaoNeural" in voices else voices[0]
+
 with gr.Blocks(theme=gr.themes.Soft()) as demo:
     gr.Markdown("## 🎙️ Edge TTS 語音合成工具\n\n- 支援語音合成、語音檔自動儲存與播放\n- 介面簡潔、操作直覺")
 
@@ -45,7 +49,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
         with gr.Row():
             text_input = gr.Textbox(lines=5, label="輸入文本")
             clear_btn = gr.Button("清空")
-        voice_input = gr.Dropdown([], label="選擇語音")
+        voice_input = gr.Dropdown(voices, value=default_voice, label="選擇語音")
         rate_input = gr.Slider(-50, 50, value=0, step=1, label="語速調整 (%)")
         pitch_input = gr.Slider(-50, 50, value=0, step=1, label="音高調整 (Hz)")
         tts_btn = gr.Button("生成語音")
@@ -62,10 +66,7 @@ with gr.Blocks(theme=gr.themes.Soft()) as demo:
         saved_audio_output = gr.Audio(type="filepath", label="播放已儲存語音")
         audio_files.change(fn=play_saved_audio, inputs=audio_files, outputs=saved_audio_output)
 
-    async def init_voices():
-        voices = await get_voices()
-        voice_input.choices = voices
-        voice_input.value = "zh-CN-XiaoxiaoNeural" if "zh-CN-XiaoxiaoNeural" in voices else voices[0]
-    asyncio.get_event_loop().run_until_complete(init_voices())
+    # 若要每次開啟都刷新語音檔案清單，可加下列一行
+    # demo.load(lambda: gr.Dropdown.update(choices=list_saved_audios()), None, audio_files)
 
 demo.launch()