Update app.py

app.py

@@ -1,5 +1,15 @@
-import io
+# --- Fix Streamlit permission issue BEFORE importing streamlit ---
 import os
+
+# Put Streamlit state/config under /tmp (writeable on Spaces)
+os.environ.setdefault("STREAMLIT_HOME", "/tmp/streamlit")
+os.environ.setdefault("XDG_STATE_HOME", "/tmp")
+os.environ.setdefault("XDG_CONFIG_HOME", "/tmp")
+os.makedirs(os.environ["STREAMLIT_HOME"], exist_ok=True)
+
+# Disable telemetry to avoid writes under root paths
+os.environ.setdefault("STREAMLIT_BROWSER_GATHER_USAGE_STATS", "false")
+
 from pathlib import Path
 from datetime import datetime
 import streamlit as st
@@ -8,12 +18,16 @@ from openai import OpenAI
 st.set_page_config(page_title="Urdu TTS - OpenAI", page_icon="🔊", layout="centered")
 
 st.title("🔊 Urdu Text → Speech (OpenAI)")
-st.caption("Type Urdu text and generate natural Urdu speech with OpenAI TTS. If you have a custom voice ID, you can use it.")
+st.caption("Type Urdu text and generate natural Urdu speech with OpenAI TTS. Use a custom voice_id if your account has Voice access.")
 
-# ---- API key from Hugging Face Secret ----
+# ---- Get API key (your secret name is Key_1). Fallback to manual entry. ----
 API_KEY = os.getenv("Key_1") or st.secrets.get("Key_1")
+with st.sidebar:
+    st.header("API")
+    if not API_KEY:
+        st.warning("Secret `Key_1` not found. Paste your key temporarily (will not be saved to repo).")
+        API_KEY = st.text_input("OpenAI API key (sk-...)", type="password")
 if not API_KEY:
-    st.error("Missing Key_1. Go to Settings → Secrets in your Space and add it.")
     st.stop()
 
 client = OpenAI(api_key=API_KEY)
@@ -21,40 +35,39 @@ client = OpenAI(api_key=API_KEY)
 # ---- Sidebar options ----
 with st.sidebar:
     st.header("Options")
-    voices = ["alloy", "verse", "aria", "ballad", "cove", "luna", "sage"]
-    use_custom = st.checkbox("Use custom OpenAI voice ID", False)
-    custom_voice = ""
-    if use_custom:
-        custom_voice = st.text_input("Custom voice_id", value="", help="Only works if your account has custom voices enabled")
-    else:
-        preset = st.selectbox("Built-in voice", options=voices, index=0)
+    builtin_voices = ["alloy", "verse", "aria", "ballad", "cove", "luna", "sage"]
+    use_custom = st.checkbox("Use custom OpenAI voice_id", False)
+    custom_voice = st.text_input("Custom voice_id", value="", help="Requires access to custom voices") if use_custom else ""
+    preset_voice = st.selectbox("Built-in voice", builtin_voices, index=0) if not use_custom else None
     out_name = st.text_input("Output filename (no extension)", "urdu_tts")
     fmt = st.selectbox("Audio format", options=["mp3", "wav"], index=0)
 
-# ---- Main input ----
+# ---- Input ----
 default_text = "یہ ایک سادہ مثال ہے۔ یہاں اپنا متن لکھیں اور آڈیو حاصل کریں۔"
 text = st.text_area("Urdu text", value=default_text, height=200, placeholder="یہاں اردو میں ٹیکسٹ لکھیں یا پیسٹ کریں…")
 
 col1, col2 = st.columns(2)
 with col1:
-    run_btn = st.button("🎙️ Generate", use_container_width=True)
+    make_audio = st.button("🎙️ Generate", use_container_width=True)
 with col2:
     clear_btn = st.button("🧹 Clear", use_container_width=True)
 
 if clear_btn:
     st.session_state.pop("audio_bytes", None)
+    st.session_state.pop("ext", None)
     st.experimental_rerun()
 
-# ---- Helper function ----
-def tts_openai(urdu_text: str, voice: str, audio_format: str) -> bytes:
+# ---- TTS helper ----
+def synth_openai(urdu_text: str, voice: str, audio_format: str):
     model = "gpt-4o-mini-tts"
     ext = "mp3" if audio_format == "mp3" else "wav"
     tmp_path = Path(f"/tmp/tts_{datetime.now().strftime('%H%M%S')}.{ext}")
+    # Stream to file to avoid loading all in memory
     with client.audio.speech.with_streaming_response.create(
         model=model,
         voice=voice,
         input=urdu_text,
-        format=audio_format
+        format=("mp3" if audio_format == "mp3" else "wav"),
     ) as resp:
         resp.stream_to_file(tmp_path)
     data = tmp_path.read_bytes()
@@ -64,25 +77,25 @@ def tts_openai(urdu_text: str, voice: str, audio_format: str) -> bytes:
         pass
     return data, ext
 
-# ---- Generate speech ----
-if run_btn:
+# ---- Generate ----
+if make_audio:
     if not text.strip():
         st.warning("براہ کرم اردو متن درج کریں")
     else:
         try:
-            voice_to_use = custom_voice.strip() if use_custom and custom_voice.strip() else (preset if not use_custom else None)
+            voice_to_use = (custom_voice.strip() if use_custom else preset_voice)
             if not voice_to_use:
-                st.warning("Custom voice ID is empty. Either uncheck custom voice or provide a valid voice_id.")
+                st.warning("Please choose a built-in voice or provide a custom voice_id.")
             else:
                 st.info("Generating Urdu speech with OpenAI TTS…")
-                audio_bytes, ext = tts_openai(text.strip(), voice_to_use, fmt)
+                audio_bytes, ext = synth_openai(text.strip(), voice_to_use, fmt)
                 st.session_state["audio_bytes"] = audio_bytes
                 st.session_state["ext"] = ext
                 st.success("آڈیو تیار ہے")
         except Exception as e:
             st.error(f"کچھ مسئلہ آیا: {e}")
 
-# ---- Preview & download ----
+# ---- Preview & Download ----
 if "audio_bytes" in st.session_state:
     ext = st.session_state.get("ext", "mp3")
     st.markdown("### ▶️ Preview")
@@ -92,12 +105,10 @@ if "audio_bytes" in st.session_state:
         "⬇️ Download",
         data=st.session_state["audio_bytes"],
         file_name=fname,
-        mime="audio/mpeg" if ext == "mp3" else "audio/wav",
-        use_container_width=True
+        mime=("audio/mpeg" if ext == "mp3" else "audio/wav"),
+        use_container_width=True,
     )
 
 st.markdown("---")
-st.caption(
-    "Notes: Built-in voices are not your personal voice. For your own cloned voice, you need access to custom OpenAI Voice IDs. "
-    "Urdu is supported by gpt-4o-mini-tts."
-)
+st.caption("If your secret is named `Key_1`, keep it in Settings → Variables and secrets → Secrets. "
+           "This app stores Streamlit state under /tmp to avoid permission issues on Spaces.")