R. David Murray <[email protected]> added the comment:
OK, I've studied this more, and it looks to me like the legacy address format
allows multiple atoms separated by white space in the local part of the
address. This means that the correct parse would be
('', 'merwok [email protected]')
How useful this parse is is a good question. It is arguably better than losing
the white space; however, the fact that it represents a behavior change and
there's no actual user bug against this argues against backport. I do think it
is better to conform to the RFC as much as possible, though, so I'd like to fix
this in 3.2.
Attached is a patch to the parser that preserves whitespace runs in between
unquoted atoms in the local part.
It would be interesting to know what other email programs do with such
addresses.
----------
keywords: +patch
stage: -> patch review
versions: -Python 2.7, Python 3.1
Added file:
http://bugs.python.org/file20025/preserve_unquoted_white_space_in_local_part.diff
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