Multipart request Issue

Investigative information

Please provide the following:

• Timestamp:
• Function App name:
• Function name(s) (as appropriate): Http Trigger
• Core Tools version: 2.7.1158

Repro steps

Provide the steps required to reproduce the problem:

Create an Http trigger with the code below

Send a multipart form with a file I tried with curl curl -F filepond=@monalisanight.jpg http://localhost:7071/api/fpupload and with filepond component in react https://github.com/pqina/filepond

Expected behavior

It should save the same file in a blob and in the local drive

Actual behavior

The file is saved with a wrong size like approximately double size of the original size

Related information

Provide any related information

• Links to source
• Contents of the requirements.txt file
• Bindings used

Source

 "scriptFile": "__init__.py",
  "bindings": [
    {
      "authLevel": "function",
      "type": "httpTrigger",
      "direction": "in",
      "name": "req",
      "methods": [
        "post"
      ]
    },
    {
      "name": "outputblob",
      "type": "blob",
      "path": "test/toto.jpg",
      "connection": "AzureWebJobsStorage",
      "direction": "out",
      "dataType": "binary"
    },
    {
      "type": "http",
      "direction": "out",
      "name": "$return"
    }
```python
def main(req: func.HttpRequest,outputblob: func.Out[func.InputStream]) -> func.HttpResponse:
    logging.info('Python HTTP trigger function processed a request.')
    filetoup = req.files['filepond']
    filetoup.save("/mnt/c/experiments/toto.jpg")
    filetoup.stream._file.seek(0)
    dataout=filetoup.stream._file.read()
    outputblob.set(dataout)
    return func.HttpResponse(
               status_code=200

    )

azure-functions==1.0.0a4
azure-functions-worker==1.0.0a4
grpcio==1.14.2
grpcio-tools==1.14.2
protobuf==3.6.1
six==1.11.0

[maiqbal11]

@daker, we are rolling out this week. I believe it should be out in all regions by next week unless we hit some snags.

[daker]

@maiqbal11 yes it works as expected!