microsoftgraph / microsoftgraph/msgraph-sdk-python

Error 400 after successful file upload

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area:uploads type:bug
Dominant language
Python
Stars
630
Forks
96
Avg merge
15h 20m
Merged PRs (30d)
3

Description

Describe the bug

I'm testing an upload process, here's an anonymized snippet of the code:

    async def _upload_file(self, drive_id, filename, file_content, folder_name=None):
        properties = DriveItemUploadableProperties(
            additional_data={
                "@microsoft.graph.conflictBehavior" : "replace",
                },
            )
        request_body =  CreateUploadSessionPostRequestBody(item=properties)
        if folder_name is not None:
            filename = folder_name + '/' + filename
        session = await (
            self.client
            .drives.by_drive_id(drive_id)
            .items.by_drive_item_id(f"root:/{filename}:")
            .create_upload_session.post(body=request_body)
            )
        large_file_session = LargeFileUploadSession(
            upload_url=session.upload_url,
            expiration_date_time=session.expiration_date_time,
            additional_data=session.additional_data,
            is_cancelled=False,
            next_expected_ranges=session.next_expected_ranges
        )
        task = LargeFileUploadTask(upload_session=large_file_session, request_adapter=self.client.request_adapter, stream=file_content)

        upload_result = await task.upload()
        return upload_result

The upload proceeds as expected, but I get the following exception anyway:

APIError
Code: 400
message: The server returned an unexpected status code and no error class is registered for this code 400

Expected behavior

Either a more clear error code if there is a problem I'm not seeing, or no error after a successful upload.

How to reproduce

See code in first section.

SDK Version

1.17.0

Latest version known to work for scenario above?

No response

Known Workarounds

Ignoring the exception for error 400 works, but is not ideal.

Debug output

APIError
Code: 400
message: The server returned an unexpected status code and no error class is registered for this code 400

Configuration

Windows 11, x64. I haven't tested on any other systems at present.

Other information

This may not be related to the SDK at all, but if it is an error in the request that isn't clear from the documentation I've read on this. I will echo comments elsewhere that the documentation on using the SDK for uploads is extremely limited and I had to cobble a lot of this together from responses to other questions here.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the upload shown in the issue with msgraph-sdk-python 1.17.0, focusing on LargeFileUploadTask.upload() and the reported APIError 400. Inspect the upload result and error handling around the request to determine why a successful upload still produces an exception. Done means the behavior is explained and the SDK reports the outcome appropriately or documents the required workaround.

Written by the indexing model from the issue text.

Assessment

Tech stack
python
Domain
api
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
35/100

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