Suppress TTS interactive prompts: Monkey-patch input() to auto-answer 'y' + set all TOS env vars

backend/app/multilingual_tts.py

@@ -2,12 +2,24 @@
 
 import os
 import sys
+import builtins
 
-# Set environment variables BEFORE any TTS imports to bypass CPML prompt
+# CRITICAL: Suppress TTS interactive prompts BEFORE any imports
 os.environ['TTS_HOME'] = '/tmp/tts_models'
-os.environ['TTS_CPML'] = '1'  # Auto-accept CPML license for non-commercial use
-# Disable interactive prompts completely
+os.environ['TTS_CPML'] = '1'
 os.environ['TTS_SKIP_TOS'] = '1'
+os.environ['TTS_DISABLE_WEB_VERSION_PROMPT'] = '1'
+os.environ['COQUI_TOS_AGREED'] = '1'
+
+# Monkey-patch input() to auto-answer prompts non-interactively
+_original_input = builtins.input
+def _auto_input(prompt=""):
+    """Auto-answer 'y' to all prompts without blocking."""
+    sys.stderr.write(prompt + "y\n")
+    sys.stderr.flush()
+    return "y"
+
+builtins.input = _auto_input
 
 import gc
 import torch

test_xtts_download.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+"""Test script to verify pre-downloading XTTS model and using local path."""
+
+import os
+import sys
+from pathlib import Path
+
+# Set env vars BEFORE TTS import - ALL of them needed to suppress prompts
+os.environ['TTS_HOME'] = str(Path('E:/tmp/tts_models').absolute())
+os.environ['TTS_CPML'] = '1'
+os.environ['TTS_SKIP_TOS'] = '1'
+os.environ['TTS_DISABLE_WEB_VERSION_PROMPT'] = '1'
+os.environ['COQUI_TOS_AGREED'] = '1'
+
+# Also try monkey-patching input to auto-answer
+import builtins
+original_input = builtins.input
+
+def auto_input(prompt=""):
+    print(prompt + "y")  # Print the prompt with auto-answer
+    return "y"
+
+builtins.input = auto_input
+
+print("=" * 60)
+print("XTTS Model Pre-Download Test")
+print("=" * 60)
+
+# Step 1: Download model to local path
+print("\n[Step 1] Downloading XTTS model...")
+try:
+    from TTS.api import TTS
+    
+    # This will auto-download to TTS_HOME
+    print("Initializing TTS (will auto-download model)...")
+    model = TTS(
+        model_name="tts_models/multilingual/multi-dataset/xtts_v2",
+        gpu=False
+    )
+    print("✓ Model downloaded successfully!")
+    
+    # Find where it was downloaded
+    tts_home = os.environ.get('TTS_HOME', os.path.expanduser('~/.tts_models'))
+    model_path = Path(tts_home) / "tts_models--multilingual--multi-dataset--xtts_v2"
+    
+    if model_path.exists():
+        print(f"✓ Model location: {model_path}")
+        print(f"✓ Model files:")
+        for item in sorted(model_path.iterdir()):
+            print(f"  - {item.name}")
+    
+    # Step 2: Test loading from local path
+    print("\n[Step 2] Testing local path loading...")
+    del model  # Free memory
+    
+    # Try loading with explicit paths
+    config_path = model_path / "config.json"
+    
+    if config_path.exists():
+        print(f"✓ Config found at: {config_path}")
+        print("\n[Step 3] Loading model from local path...")
+        try:
+            model2 = TTS(
+                model_name="tts_models/multilingual/multi-dataset/xtts_v2",
+                model_path=str(model_path),
+                config_path=str(config_path),
+                gpu=False
+            )
+            print("✓ Model loaded successfully from local path!")
+            print("\n" + "=" * 60)
+            print("SUCCESS: Pre-downloaded model loading works!")
+            print("=" * 60)
+        except Exception as e:
+            print(f"✗ Failed to load from local path: {e}")
+            print("\nTrying fallback: Loading with just model_name...")
+            model2 = TTS(
+                model_name="tts_models/multilingual/multi-dataset/xtts_v2",
+                gpu=False
+            )
+            print("✓ Fallback load successful (auto-download approach)")
+    else:
+        print(f"✗ Config not found at {config_path}")
+        print("Model structure:")
+        for item in model_path.iterdir():
+            print(f"  {item}")
+            
+except KeyboardInterrupt:
+    print("\n\n✗ Download interrupted by user")
+    sys.exit(1)
+except Exception as e:
+    print(f"✗ Error: {e}")
+    import traceback
+    traceback.print_exc()
+    sys.exit(1)
+finally:
+    # Restore original input
+    builtins.input = original_input
+