fix: error frpc

gradio_app.py

@@ -23,25 +23,29 @@ from notebook_lm_kokoro import (
     KPipeline,
 )
 
+os.environ["HOME"] = "/tmp/home"  # Prevent fallback to /root
+os.makedirs("/tmp/home", exist_ok=True)
+os.environ["GRADIO_TEMP_DIR"] = "/tmp/gradio"
 os.environ["HF_HOME"] = "/tmp/huggingface"
 os.environ["TRANSFORMERS_CACHE"] = "/tmp/huggingface/transformers"
 os.environ["XDG_CACHE_HOME"] = "/tmp/huggingface"
 os.environ["TORCH_HOME"] = "/tmp/torch"
 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.
+    Ensures the frpc binary is present in the location Gradio expects.
+    Avoids /.cache symlinks (which are not writable in HF Spaces).
     """
-    # 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)
+    gradio_temp_dir = os.environ.get("GRADIO_TEMP_DIR", "/tmp/gradio")
+    target_dir = os.path.join(gradio_temp_dir, "frpc")
+    os.makedirs(target_dir, exist_ok=True)
 
-    frpc_file = os.path.join(cache_root, "frpc_linux_amd64_v0.3")
+    frpc_file = os.path.join(target_dir, "frpc_linux_amd64_v0.3")
 
     if not os.path.exists(frpc_file):
         print(f"[INFO] Downloading frpc binary to: {frpc_file}")
@@ -53,21 +57,7 @@ def ensure_gradio_frpc():
         except Exception as e:
             print(f"[ERROR] Failed to download frpc binary: {e}")
     else:
-        print("[INFO] frpc binary already exists.")
-
-def symlink_frpc_to_expected_location():
-    expected_dir = os.path.expanduser("~/.cache/huggingface/gradio/frpc")
-    actual_dir = "/tmp/huggingface/gradio/frpc"
-    os.makedirs(os.path.dirname(expected_dir), exist_ok=True)
-
-    try:
-        if not os.path.exists(expected_dir):
-            os.symlink(actual_dir, expected_dir)
-            print(f"[SYMLINK] Linked {actual_dir} → {expected_dir}")
-        else:
-            print(f"[SYMLINK] Already exists: {expected_dir}")
-    except Exception as e:
-        print(f"[ERROR] Failed to symlink: {e}")
+        print("[INFO] frpc binary already exists at expected path.")
 
 def process_segment(entry_and_voice_map):
     entry, voice_map = entry_and_voice_map
@@ -229,6 +219,5 @@ def create_gradio_app():
 
 
 ensure_gradio_frpc()
-symlink_frpc_to_expected_location()
 if __name__ == "__main__":
     create_gradio_app().queue().launch(server_name="0.0.0.0", server_port=7860, share=True, debug=True, pwa=True)