> I'm working on an "Essential Tools for Managing Python Development Environments" tutorial
Awesome! Did you consider conda envs? FWIW, we rely on conda envs in the Data Engineering world to work around the lack of ability to securely run docker images in production.
We didn't try pyenv, mainly because conda gets us more than just python :)
I tried conda a few years ago, but for my own use cases, I found it mostly got in my way. I know it's big with data and science folks though, so I will add it to an "other tools to be aware of" section. But now I'm curious about how conda enables running docker safely in production. :)
For anyone interested in the (bewildering complexity of the current) Python packaging ecosystem, I can recommend this blog post by PyPA member and PSF fellow Pradyum Gedam: https://pradyunsg.me/blog/2023/01/21/thoughts-on-python-packaging/--
Slavina Stefanova (she/her)
Software Engineer - Technical Engagement
Wikimedia Foundation_______________________________________________On Mon, May 8, 2023 at 3:03 PM Andrew Otto <otto@wikimedia.org> wrote:> For Java, we run an instance of Archiva: https://archiva.wikimedia.org/> It's not a perfect approach but I think we can and should move in that direction with all our other ecosystemsGitlab package registries may help us here!_______________________________________________On Mon, May 8, 2023 at 8:59 AM Andrew Otto <otto@wikimedia.org> wrote:> Tangent: is it worthwhile to establish a consensus for best practices with package pinning and package management for Python projects in the Wikimedia ecosystem?Yes! That would be awesome. I have spent a lot of time floundering in this area trying to make decisions; it'd be nice if we had a good guideline established.> I'm working on an "Essential Tools for Managing Python Development Environments" tutorialAwesome! Did you consider conda envs? FWIW, we rely on conda envs in the Data Engineering world to work around the lack of ability to securely run docker images in production. We didn't try pyenv, mainly because conda gets us more than just python :)> Poetry is a modern lockfile-based packaging and dependency management tool worth looking intoPoetry was nice, but I found that it wasn't as comprehensive (yet?) as ye old setuptools based stuff. I can't quite recall what, but I think it was around support for datafiles and scripts? But, this was 1.5 years ago so maybe things are better now.Thank you!On Fri, May 5, 2023 at 11:32 AM Slavina Stefanova <sstefanova@wikimedia.org> wrote:Tangent: is it worthwhile to establish a consensus for best practices with package pinning and package management for Python projects in the Wikimedia ecosystem? When I last worked on a python project (https://wikitech.wikimedia.org/wiki/Add_Link) I found it confusing that we have so many different tools and approaches for doing these things, and seems like we'd benefit from having a standard, supported way. (Or maybe that already exists and I haven't found it?)
I'm working on an "Essential Tools for Managing Python Development Environments" tutorial that will be published to the wikis when ready. Maybe that could be expanded upon? In my experience though, it can be hard to get people to agree on following a standard, especially when there are so many different options and many folks already have their favorite tools and workflows. But it would be nice to have a set of recommendations to reduce the cognitive load.--
Slavina Stefanova (she/her)
Software Engineer - Technical Engagement
Wikimedia Foundation_______________________________________________On Fri, May 5, 2023 at 5:18 PM Kosta Harlan <kharlan@wikimedia.org> wrote:Tangent: is it worthwhile to establish a consensus for best practices with package pinning and package management for Python projects in the Wikimedia ecosystem? When I last worked on a python project (https://wikitech.wikimedia.org/wiki/Add_Link) I found it confusing that we have so many different tools and approaches for doing these things, and seems like we'd benefit from having a standard, supported way. (Or maybe that already exists and I haven't found it?)_______________________________________________KostaOn 5. May 2023, at 13:51, Slavina Stefanova <sstefanova@wikimedia.org> wrote:Poetry is a modern lockfile-based packaging and dependency management tool worth looking into. It also supports exporting dependencies into a requirements.txt file, should you need that (nice if you want to containerize an app without bloating the image with Poetry, for instance).
https://python-poetry.org/--
Slavina Stefanova (she/her)
Software Engineer - Technical Engagement
Wikimedia Foundation_______________________________________________On Fri, May 5, 2023 at 1:38 PM Sebastian Berlin <sebastian.berlin@wikimedia.se> wrote:A word of warning: using `pip freeze` to populate requirements.txt can result in a hard to read (very long) file and other issues: https://medium.com/@tomagee/pip-freeze-requirements-txt-considered-harmful-f0bce66cf895.E-post/E-Mail: sebastian.berlin@wikimedia.seSebastian Berlin
Utvecklare/DeveloperWikimedia Sverige (WMSE)
Telefon/Phone: (+46) 0707 - 92 03 84_______________________________________________On Fri, 5 May 2023 at 13:17, Amir Sarabadani <ladsgroup@gmail.com> wrote:You can also create an empty virtual env, install all requirements and then dopip freeze > requirements.txtThat should take care of pinningAm Fr., 5. Mai 2023 um 13:11 Uhr schrieb Lucas Werkmeister <lucas.werkmeister@wikimedia.de>:For the general case of Python projects, I’d argue that a better solution is to adopt the lockfile pattern (package-lock.json, composer.lock, Cargo.lock, etc.) and pin all dependencies, and only update them when the new versions have been tested and are known to work. pip-tools can help with that, for example (requirements.in specifies “loose” dependencies; pip-compile creates a pinned requirements.txt; pip-sync installs it; pip-compile -U upgrades requirements.txt later; you check both requirements.in and requirements.txt into version control.) But I don’t know if that applies in your integration/config case.Am Do., 4. Mai 2023 um 18:08 Uhr schrieb Antoine Musso <hashar@free.fr>:_______________________________________________Hello,
This is for python projects.
Today, May 4th, urllib3 has released a new major version 2.0.2 which breaks the extremely popular requests library.
The fix is to pin urllib3<2 to prevent the new major version from being installed (example).
https://phabricator.wikimedia.org/T335977
Upstream issue: https://github.com/psf/requests/issues/6432
Antoine "hashar" Musso
Wikimedia Release Engineering
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