fix: ensure gradio frpc

gradio_app.py

@@ -8,6 +8,7 @@ import soundfile as sf
 import warnings
 import multiprocessing
 import concurrent.futures
+import urllib.request
 
 try:
     from moshi.models.tts import TTSModel
@@ -31,6 +32,29 @@ os.environ["MOSHI_CACHE_DIR"] = "/tmp/moshi"
 warnings.filterwarnings("ignore")
 NUM_WORKERS = multiprocessing.cpu_count()
 
+
+def ensure_gradio_frpc():
+    """
+    Ensures the frpc binary is present in the expected location for Gradio sharing to work.
+    """
+    # Get proper Gradio cache directory
+    cache_root = os.path.join(os.getenv("HF_HOME", "/tmp/huggingface"), "gradio", "frpc")
+    os.makedirs(cache_root, exist_ok=True)
+
+    frpc_file = os.path.join(cache_root, "frpc_linux_amd64_v0.3")
+
+    if not os.path.exists(frpc_file):
+        print(f"[INFO] Downloading frpc binary to: {frpc_file}")
+        try:
+            url = "https://cdn-media.huggingface.co/frpc-gradio-0.3/frpc_linux_amd64"
+            urllib.request.urlretrieve(url, frpc_file)
+            os.chmod(frpc_file, 0o755)  # Make it executable
+            print("[SUCCESS] frpc binary downloaded and made executable.")
+        except Exception as e:
+            print(f"[ERROR] Failed to download frpc binary: {e}")
+    else:
+        print("[INFO] frpc binary already exists.")
+
 def process_segment(entry_and_voice_map):
     entry, voice_map = entry_and_voice_map
     speaker, dialogue = entry
@@ -190,4 +214,5 @@ def create_gradio_app():
     return app
 
 if __name__ == "__main__":
+    ensure_gradio_frpc()
     create_gradio_app().queue().launch(server_name="0.0.0.0", server_port=7860, share=True, debug=True, pwa=True)