Chris McDonough wrote at 2005-4-3 18:14 -0400:
>So in the common case, when a large file is uploaded via HTTP PUT (both
>DAV and external editor use PUT exclusively), here's what happens:
>- ZServer creates a tempfile T1 to hold the file body as it gets
> pulled in.
>- When the request makes it to the publisher, processInputs is called
> and it hands off tempfile T1 to FieldStorage.
>- FieldStorage reads the entire body and creates another tempfile
> T2 (an exact copy of T1*, in the case of a PUT request).
>- T2 is eventually put into REQUEST['BODYFILE'].
>(*) At least I can't imagine a case where it's not an exact copy.
>This is costly on large uploads. I'd like to change the top of the
>processInputs method to do this:
>if method == 'PUT':
> # we don't need to do any real input processing if we are
> # handling a PUT request.
> self._file = self.stdin
>Can anyone think of a reason I shouldn't do this?
Even a "PUT" may get a multipart entity. At least, the HTTP specification
does not tell anything to the contrary.
Otherwise, (working) optimizations are of course welcome...
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