add logging for public video url, add predict function for api access

app.py

@@ -94,6 +94,7 @@ def upload_video_to_r2(video_path, bucket_name="asl-videos"):
 
         print(f"Video uploaded to R2: {video_url}")
         public_video_url = f"{R2_ASL_VIDEOS_URL}/{unique_filename}"
+        print(f"Public video url: {public_video_url}")
 
         return public_video_url
         
@@ -363,6 +364,30 @@ def create_interface():
     return interface
 
 
+# Add a predict function for Hugging Face API access
+def predict(text, file):
+    """
+    Predict function for Hugging Face API access.
+    This function will be available as the /predict endpoint.
+    """
+    # Determine which input to use
+    if text and text.strip():
+        # Use text input
+        input_data = text.strip()
+    elif file is not None:
+        # Use file input
+        input_data = file
+    else:
+        # No input provided
+        return {
+            "status": "error",
+            "message": "Please provide either text or upload a file"
+        }, None
+    
+    # Process using the unified function
+    return predict_unified(input_data)
+
+
 # For Hugging Face Spaces, use the Interface
 if __name__ == "__main__":
     demo = create_interface()