#30694: FileResponse does not seek its file source
               Reporter:  Claude Paroz   |          Owner:  nobody
                   Type:  Bug            |         Status:  new
              Component:  HTTP handling  |        Version:  2.2
               Severity:  Normal         |       Keywords:
           Triage Stage:  Unreviewed     |      Has patch:  0
    Needs documentation:  0              |    Needs tests:  0
Patch needs improvement:  0              |  Easy pickings:  0
                  UI/UX:  0              |
 I'm not sure this is a bug, but I was bitten by some code today:

 buffer = io.BytesIO()
 buffer.write(b'some binary content')
 return FileResponse(buffer, filename='somename.bin')
 and the response is empty because the stream position is at the end of the
 buffer. I can easily fix that by seeking the buffer myself, but shouldn't
 `FileResponse` seek itself in `_set_streaming_content` before calling

Ticket URL: <https://code.djangoproject.com/ticket/30694>
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