utils/fetch_file.py

import requests
import os

DEFAULT_API_URL = "https://agents-course-unit4-scoring.hf.space"
files_folder = "gaia_files"
os.makedirs(files_folder, exist_ok=True)

def download_file_if_any(task_id: str) -> str:
    url = f"{DEFAULT_API_URL}/files/{task_id}"
    try:
        response = requests.get(url)
        response.raise_for_status()

        content_disposition = response.headers.get("content-disposition")
        filename = content_disposition.split("filename=")[1].strip('"') if content_disposition and "filename=" in content_disposition else None

        if filename:
            # path relative from app.py
            file_path = os.path.join(files_folder, filename)

            with open(file_path, "wb") as file:
                file.write(response.content)

            return str(file_path)
        else:
            return None
            
    except requests.exceptions.RequestException as e:
        print(f"Error making request: {e}")
        return None
    except ValueError as e:
        print(f"Error decoding JSON response: {e}")
        return None
    


if __name__ == "__main__":
    print(download_file_if_any("f918266a-b3e0-4914-865d-4faa564f1aef"))