def copy_file_from_drive_to_gcs(drive_service, gcs_client, file_id, bucket_name, gcs_destination_path):

app.py

@@ -126,10 +126,20 @@ def copy_all_files_from_drive_to_gcs(drive_service, gcs_client, drive_folder_id,
 
 def copy_file_from_drive_to_gcs(drive_service, gcs_client, file_id, bucket_name, gcs_destination_path):
     # Download file content from Drive
-    file_content = download_file_as_string(drive_service, file_id)
+    request = drive_service.files().get_media(fileId=file_id)
+    fh = io.BytesIO()
+    downloader = MediaIoBaseDownload(fh, request)
+    done = False
+    while not done:
+        status, done = downloader.next_chunk()
+    fh.seek(0)
+    file_content = fh.getvalue()
+
     # Upload file content to GCS
-    upload_file_to_gcs(gcs_client, bucket_name, gcs_destination_path, file_content)
-    
+    bucket = gcs_client.bucket(bucket_name)
+    blob = bucket.blob(gcs_destination_path)
+    blob.upload_from_string(file_content)
+    print(f"File {file_id} copied to GCS at {gcs_destination_path}.")
 
 # # ====drive====初始化Google Drive服务
 def init_drive_service():