On 17 March 2017 at 19:58, Ronny Pfannschmidt < opensou...@ronnypfannschmidt.de> wrote:
> Hi everyone, > > while looking over the recent peps i noticed that we keep a few inherent > inefficiencies in where to find dist-info folders > > because they include version numbers, to get a distribution we have to > search for it > which is no longer really sensible as we no longer have multi-version > installation in any upcoming standard. > Linux distros still use multi-version installation fairly regularly - it's how services like EPEL are able to offer parallel installs of frameworks and libraries that are also in base RHEL/CentOS without breaking anything. The associated code to populate __main__.__requires__ and hence get pkg_resources.require() to do the right thing isn't pretty, but it *does* work. While I expect tech like virtual environments, Software Collections, FlatPak, Snappy, etc, to eventually get us to the point where even Linux distros don't need parallel installs into the system site-packages any more, we're still a *looong* way from it being reasonable to assume that we can just drop parallel install support from the Python packaging tools in general. Cheers, Nick. -- Nick Coghlan | ncogh...@gmail.com | Brisbane, Australia
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