Update app.py

app.py

@@ -124,7 +124,7 @@ def get_human_readable_summary(json_data: dict) -> str:
     You are an expert technical writer. Take the following structured JSON data
     representing a CV-Job Description match analysis and convert it into a smooth,
     professional, human-readable summary. Focus on the score, key findings in
-    'matching_analysis' and 'description', and format the 'recommendation' 
+    'matching_analysis' and 'description' and format the 'recommendation' 
     steps clearly at the end. Do not output any JSON or code formatting.
     
     JSON Data:
@@ -290,10 +290,31 @@ app = gr.mount_gradio_app(app, demo, path="/")
 # --- Launch ---
 if __name__ == "__main__":
     load_model()
-    # Use environment variable PORT if available, otherwise default to 7860
-    port = int(os.environ.get("PORT", 7860))
-    # Add a print statement to clearly show which port is being used
-    print(f"Attempting to run Uvicorn on port {port}")
-    # The 'address already in use' error is environment-specific, but the code 
-    # must run on the port dictated by the environment.
-    uvicorn.run(app, host="0.0.0.0", port=port)
+    
+    # 1. Determine the primary port from the environment, defaulting to 7860
+    primary_port = int(os.environ.get("PORT", 7860))
+    
+    # Define the standard Gradio port as the fallback for robustness
+    # Since the logs show PORT=7861 is failing, we try 7860 as the fallback, and vice-versa.
+    fallback_port = 7860 if primary_port != 7860 else 7861
+    
+    # Attempt to run on the primary port
+    try:
+        print(f"Attempting to run Uvicorn on primary port {primary_port}")
+        uvicorn.run(app, host="0.0.0.0", port=primary_port)
+    
+    except OSError as e:
+        # Check for "Address already in use" (Error code 98)
+        if getattr(e, 'errno', None) == 98:
+            print(f"ERROR: Primary port {primary_port} is already in use. Trying fallback port {fallback_port}...")
+            
+            # Try running on the fallback port
+            try:
+                uvicorn.run(app, host="0.0.0.0", port=fallback_port)
+            except OSError as fallback_e:
+                # If the fallback fails, we must terminate.
+                print(f"FATAL ERROR: Fallback port {fallback_port} also failed to bind. Process terminating.")
+                raise fallback_e 
+        else:
+            # Re-raise other unexpected errors
+            raise e