[issue24291] Many servers (wsgiref, http.server, etc) can truncate large output blobs

[Martin Panter]

Martin Panter added the comment:

Here is an updated patch with the remaining fixes for other servers.

I considered changing the behaviour of shutil.copyfileobj() to handle partial writes better. But I decided against it, because: (a) nobody has complained yet, and (b) it could potentially break stuff, e.g. if fsrc.read() returned a strange kind of object.

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Added file: http://bugs.python.org/file43233/wfile-partial.v4.patch

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