On Thu, Aug 25, 2016 at 11:11 AM, Donald Stufft <don...@stufft.io> wrote:
> > > On Aug 25, 2016, at 11:46 AM, M.-A. Lemburg <m...@egenix.com> wrote: > > > > You may not be aware, but developers that work on both Windows > > and Unix often have two sets of source code packages: one using > > Windows line ends, the other using Unix ones. > > > > The Windows ones can also include code which is only relevant > > on Windows while the Unix one includes parts that are only used > > on Unix, so having two sets (ZIP for Windows and .tar.gz for Unix) > > is a natural way to distribute your source code for those two > > target systems. > > > > Standardizing on two sdist formats is fine, but artificially > > limiting this to just one sdist upload removes useful > > functionality. > > Well, except this doesn’t actually work in practice and anyone > doing this has a broken sdist. Neither pip nor setuptools is going > to consider a ``.tar.gz`` as a “Linux” sdist nor a ``.zip`` as a > “Windows” sdist and which one they happen to pick is basically an > implementation detail (in the latest version of pip, it’ll use > whichever one appears first in the /simple/<whatever>/ page. > Is that because there wasn't an OrderedDict (either in the data producer (pypi, warehouse) or in the data consumer (pip, easy_install)? > > In fact people doing this (which I am entirely sure is not common, > but I’m sure there is someone doing it) are likely to be the cause > of the weird issues that this part of the PEP is attempting to > prevent. Someone who happens to get the “Windows” sdist on Linux > and then is incredibly confused when it doesn’t have the Linux pieces > they need (and remember, none of the tooling supports the idea that > .tar.gz is for Linux and .zip is for Windows, so who knows which one > they’ll get). Of course, if the only difference is Windows vs Unix > line endings it’ll be ~roughly fine because Unix line endings work > fine on Windows, and Windows line endings work fine on Unix, but > shipping line ending differences to the correct OS is not a good > enough reason to keep this. > > — > Donald Stufft > > > > _______________________________________________ > Distutils-SIG maillist - Distutils-SIG@python.org > https://mail.python.org/mailman/listinfo/distutils-sig >
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