[issue25738] http.server doesn't handle RESET CONTENT status correctly

[Martin Panter]

Martin Panter added the comment:

I suggest to drop the RESET_CONTENT exception. Content-Length: 0 is explicitly allowed by <https://tools.ietf.org/html/rfc7231#section-6.3.6> option a), and is not very different to the general case IMO. Content-Length was added here to help with buggy clients, see Issue 16088.

But while we are here, I think we should avoid Content-Length for 304 Not Modified. See <https://tools.ietf.org/html/rfc7230#section-3.3.2>. This is a special case a bit like HEAD, where the length would refer to a cached response rather than the “error”/explanation message.

IMO this could be treated as a bug fix for 3.5 and 2.7, and no versionchanged is necessary. What do you think?

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<http://bugs.python.org/issue25738>
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