OK, I didn't know if this or -dev was more appropriate, so I opted on the safer side in terms of annoying people.
I'll post to python-dev. On Mon, Apr 1, 2019 at 2:27 PM Brett Cannon <[email protected]> wrote: > I just wanted to warn people that I don't know if any of the authors of > PEP 582 subscribe to python-ideas and they have not brought it forward for > discussion yet, so there's no guarantee of a response. > > On Mon, Apr 1, 2019 at 5:27 AM Calvin Spealman <[email protected]> > wrote: > >> While the PEP does show the version number as part of the path to the >> actual packages, implying support for multiple versions, this doesn't seem >> to be spelled out in the actual text. Presumably __pypackages__/3.8/ might >> sit beside __pypackages__/3.9/, etc. to keep future versions capable of >> installing packages for each version, the way virtualenv today is bound to >> one version of Python. >> >> I'd like to raise a potential edge case that might be a problem, and >> likely an increasingly common one: users with multiple installations of the >> *same* version of Python. This is actually a common setup for Windows users >> who use WSL, Microsoft's Linux-on-Windows solution, as you could have both >> the Windows and Linux builds of a given Python version installed on the >> same machine. The currently implied support for multiple versions would not >> be able to separate these and could create problems if users pip install a >> Windows binary package through Powershell and then try to run a script in >> Bash from the same directory, causing the Linux version of Python to try to >> use Windows python packages. >> >> I'm not actually sure what the solution here is. Mostly I wanted to raise >> the concern, because I'm very keen on WSL being a great entry path for new >> developers and I want to make that a better experience, not a more >> confusing one. Maybe that version number could include some other unique >> identify, maybe based on Python's own executable. A hash maybe? I don't >> know if anything like that already exists to uniquely identify a Python >> build or installation. >> >> -- >> >> CALVIN SPEALMAN >> >> SENIOR QUALITY ENGINEER >> >> [email protected] M: +1.336.210.5107 >> <https://red.ht/sig> >> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted> >> _______________________________________________ >> Python-ideas mailing list >> [email protected] >> https://mail.python.org/mailman/listinfo/python-ideas >> Code of Conduct: http://python.org/psf/codeofconduct/ >> > -- CALVIN SPEALMAN SENIOR QUALITY ENGINEER [email protected] M: +1.336.210.5107 <https://red.ht/sig> TRIED. TESTED. TRUSTED. <https://redhat.com/trusted>
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