Update app.py

app.py

@@ -8,16 +8,76 @@ import pandas as pd
 # --- Constants ---
 DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
 
+def fetch_task_file(task_id: str, file_name: str | None = None) -> str | None:
+    """Download the file attached to a GAIA task, if any.
+
+    Args:
+        task_id: Unique identifier of the GAIA task.
+        file_name: Optional name of the file.
+
+    Returns:
+        Local path of the downloaded file, or None if no file is attached.
+    """
+    import os
+    # Try downloading from Hugging Face dataset if file_name is provided
+    if file_name:
+        url = f"https://huggingface.co/datasets/gaia-benchmark/GAIA/resolve/main/2023/validation/{file_name}"
+        token = os.environ.get("HUGGINGFACEHUB_API_TOKEN")
+        headers = {"Authorization": f"Bearer {token}"} if token else {}
+        try:
+            response = requests.get(url, headers=headers, timeout=30)
+            if response.status_code == 200 and len(response.content) > 0:
+                filename = f"task_{task_id}_{file_name}"
+                with open(filename, "wb") as f:
+                    f.write(response.content)
+                print(f"  [file] Downloaded attachment from HF GAIA repo: {filename} ({len(response.content)} bytes)")
+                return filename
+        except Exception as e:
+            print(f"  [warn] Direct HF GAIA download failed for {file_name}: {e}")
+
+    # Fallback to course scoring API
+    url = f"{DEFAULT_API_URL}/files/{task_id}"
+    try:
+        response = requests.get(url, timeout=30)
+        if response.status_code == 200 and len(response.content) > 0:
+            # Detect file extension from Content-Type header
+            content_type = response.headers.get("Content-Type", "")
+            ext = ".bin"
+            if "pdf" in content_type:
+                ext = ".pdf"
+            elif "image" in content_type:
+                ext = ".png"
+            elif "text/csv" in content_type:
+                ext = ".csv"
+            elif "audio" in content_type:
+                ext = ".mp3"
+
+            filename = f"task_{task_id}{ext}"
+            with open(filename, "wb") as f:
+                f.write(response.content)
+            print(f"  [file] Downloaded attachment from scoring server: {filename} ({len(response.content)} bytes)")
+            return filename
+    except Exception as e:
+        print(f"  [warn] Could not fetch file from scoring server for task {task_id}: {e}")
+    return None
+
+
 # --- Basic Agent Definition ---
 # ----- THIS IS WERE YOU CAN BUILD WHAT YOU WANT ------
+from agent import GAIAAgent
+
 class BasicAgent:
     def __init__(self):
-        print("BasicAgent initialized.")
-    def __call__(self, question: str) -> str:
+        self.agent = GAIAAgent()
+        print("BasicAgent (GAIAAgent wrapper) initialized.")
+
+    def __call__(self, question: str, task_id: str | None = None, file_name: str | None = None) -> str:
         print(f"Agent received question (first 50 chars): {question[:50]}...")
-        fixed_answer = "This is a default answer."
-        print(f"Agent returning fixed answer: {fixed_answer}")
-        return fixed_answer
+        if task_id:
+            filepath = fetch_task_file(task_id, file_name)
+            if filepath:
+                question = f"{question}\n\n[Attached file available locally: {filepath}]"
+        return self.agent(question)
 
 def run_and_submit_all( profile: gr.OAuthProfile | None):
     """
@@ -80,7 +140,8 @@ def run_and_submit_all( profile: gr.OAuthProfile | None):
             print(f"Skipping item with missing task_id or question: {item}")
             continue
         try:
-            submitted_answer = agent(question_text)
+            file_name = item.get("file_name", "")
+            submitted_answer = agent(question_text, task_id=task_id, file_name=file_name)
             answers_payload.append({"task_id": task_id, "submitted_answer": submitted_answer})
             results_log.append({"Task ID": task_id, "Question": question_text, "Submitted Answer": submitted_answer})
         except Exception as e: