Update app.py

app.py

@@ -102,32 +102,52 @@ def generate_audio(text, speaker_name):
     return temp_filename
 
 def process_line(args):
-    """Process single dialogue line with parallel execution support"""
+    """Process single dialogue line with enhanced error handling"""
     idx, speaker, text = args
+    final_filename = f"t{idx+1}-{speaker}.wav"
+    base_audio = None
+    output_filename = None
+    
     try:
         logger.info(f"Processing line {idx+1} for {speaker}")
         
         # Generate base audio
         base_audio = generate_audio(text, speaker)
-        
+        if not os.path.exists(base_audio):
+            logger.error(f"Base audio not generated for line {idx+1}")
+            return None
+
         # Generate voice cover
         ref_audio = "kisel.mp3" if speaker == "Киселёв" else "putin.mp3"
-        covered_audio = tune_one(
+        output_filename = f"output_{uuid.uuid4().hex[:6]}.wav"
+        
+        logger.debug(f"Tuning audio with reference: {ref_audio}")
+        tune_one(
             input_file=base_audio,
             ref_file=ref_audio,
-            output_file=f"output_{uuid.uuid4().hex[:6]}.wav",
+            output_file=output_filename,
             device='cpu'
         )
         
-        # Cleanup and rename
-        final_filename = f"t{idx+1}-{speaker}.wav"
-        os.rename(covered_audio, final_filename)
-        os.remove(base_audio)  # Clean up temporary file
+        # Verify output file creation
+        if not os.path.exists(output_filename):
+            logger.error(f"Voice tuning failed for line {idx+1}")
+            return None
+            
+        # Rename final file
+        os.rename(output_filename, final_filename)
+        logger.info(f"Created final file: {final_filename}")
         
         return final_filename
+        
     except Exception as e:
-        logger.error(f"Error processing line {idx+1}: {str(e)}")
+        logger.error(f"Error processing line {idx+1}: {str(e)}", exc_info=True)
         return None
+    finally:
+        # Cleanup temporary files
+        for f in [base_audio, output_filename]:
+            if f and os.path.exists(f):
+                os.remove(f)
 
 def process_prompt(prompt):
     """Main processing pipeline with parallel execution"""