On 2/10/20 2:26 AM, Chris Angelico wrote:
On Mon, Feb 10, 2020 at 6:09 PM Matthew Einhorn <moiein2...@gmail.com> wrote:
On Sun, Feb 9, 2020, 11:03 AM Paul Moore <p.f.mo...@gmail.com> wrote:
On Sun, 9 Feb 2020 at 14:39, Soni L. <fakedme...@gmail.com> wrote:
Figuring out versioning is hard. PyPI should encourage semver by
including PEP 440 version strings that you can copy and paste into
install_requires.
I don't understand what you mean by **PyPI** including version
strings. PyPI just publishes the data the module contains. Do you mean
the packaging documentation, or PyPA, or something?
I think they mean that instead of e.g. https://pypi.org/project/six/ just
showing `pip install six`, it should also show example install_requires values.
E.g. `install_requires: ['six~=1.14.0']`. Or maybe a dropdown where you select
the compatibility you want and and it formats the version string.
This does seem like a good way to encourage people to specify or at least think
about versioned dependencies, although I wonder how many people look at pypi
when specifying their dependencies in `install_requires`?
-1. I don't want everyone to pin to an exact version just because it's
the obvious copy/paste command. That's what happens all the time in
the Node.js world, and the result is a constant battle to get everyone
to upgrade their packages, because they've unnecessarily pinned them.
Instead, encourage everyone to install *without* version numbers. If
that results in a package being broken because of a
backward-incompatible change, that's the fault of the package, and it
SHOULD be seen as a problem.
PyPI already shows a pinned installation snippet if you specify a
particular version in the URL, which you must do to see a version that
isn't the latest: https://pypi.org/project/coverage/4.5.4/ It shows
unpinned when you look at a package without specifying a version:
https://pypi.org/project/coverage
--Ned.
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