On 10Feb2020 18:26, Chris Angelico <ros...@gmail.com> 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 use PEP440 version strings, but they're not semver strings.
[...]
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.
I'm with Chris here. Install without versions unless you've s specific
requirement such as a feature to use or a bug/misfeature to avoid.
I look on pinning as a tool for reproducability; if I've tested against
my venv happily, my build/install should use the versions from its "pip
freeze".
Cheers,
Cameron Simpson <c...@cskk.id.au>
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