Hey #python folks -- what's everyone's favorite python profiling tools these days? My goal is to capture data during a run so I can shove it in a flamegraph and identify where the actual bottlenecks are.
Thanks!
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gihyo.jp 
Do you ever forget how to format a number like 1,234.50 in #Python?
Forget the weird f-string syntax for zero-padding and space-padding strings?
Me too.
Over the weekend, I made a tool to help: https://pym.dev/format
Paste an example of the output string and it'll guess the f-string format spec you need.
www.pythonmorsels.comF-string format specification guesserTired of looking up f-string format codes? Paste a formatted string and get the f-string format specification you need to recreate it in Python.
PyPI now checks for expired domains to prevent domain resurrection attacks, a type of supply-chain attack where someone buys an expired domain and uses it to take over #PyPI accounts through password resets. #Python #OpenSource #SupplyChain #Security
https://blog.pypi.org/posts/2025-08-18-preventing-domain-resurrections/
blog.pypi.orgPreventing Domain Resurrection Attacks - The Python Package Index BlogPyPI now checks for expired domains to prevent domain resurrection attacks, a type of supply-chain attack where someone buys an expired domain and uses it to take over PyPI accounts through password resets.
hex-rays.comIntroducing the IDA Domain APIIntroducing the IDA Domain API. A simpler way to script IDA. Built on top of the Python SDK. Open to all.
Made With Mu · RIP MuLate last year we announced we’d retire Mu. The core maintainers have all moved onto other things, our lives have changed and the time we have available to maintain Mu has significantly decreased. Perhaps most of all, the world has moved on: when Mu started we were unique in the coding ecosystem. Now there are plenty of development environments focused on beginners.
Qiitaのこと。配慮のCW
【エヴァンゲリオン】ヤシマ作戦みたいな臨場感と緊張感があるタイマーアプリを作りたい #Python - Qiita https://qiita.com/Necoze/items/1b3ec72415dec3039304
ソースコードを見て悶絶した。なんでこれをGoogle先生はぼくのためだと言って拾ってきたんだい？
Just released: Python 3.14.0 release candidate 2! 
This was planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in bytecode (.pyc) files
This means .pyc files created for rc1 will be recompiled for rc2
The ABI isn’t changing
Wheels built for rc1 should be fine for rc2, rc3 and 3.14.x
Did I mention Android binaries?
Bonus: We also released an early Python 3.13.7!
https://discuss.python.org/t/python-3-14-0rc2-and-3-13-7-are-go/102403
#Python #CPython #Python314 #Python313 #release
Discussions on Python.org · Python 3.14.0rc2 and 3.13.7 are go!Not one but two expedited releases! 🎉 🎉 Python 3.14.0rc2 It’s the final 🪄 penultimate 🪄 3.14 release candidate! https://www.python.org/downloads/release/python-3140rc2/ Note: rc2 was originally planned for 2025-08-26, but we fixed a bug that required bumping the magic number stored in Python bytecode (.pyc) files. This means .pyc files created for rc1 cannot be used for rc2, and they’ll be recompiled. The ABI isn’t changing. Wheels built for rc1 should be fine ...
We're excited to announce the nominees for the 2025 PSF Board Election 
make sure to check out everyone's nomination statements to learn more about this years candidates! (Reminder to affirm your intention to vote by August 26th, 2 PM UTC!) #python
https://pyfound.blogspot.com/2025/08/announcing-psf-board-candidates-for-2025.html
Python Software Foundation BlogAnnouncing the PSF Board Candidates for 2025!
Python.orgSupporting MembershipThe official home of the Python Programming Language
The pytest.mark.parametrize feature is amazing, and more people should use it, especially people new to writing #Python tests. But it looks scary. I wrote an explainer: https://nedbatchelder.com/blog/202508/starting_with_pytests_parametrize.html
nedbatchelder.com · Starting with pytest’s parametrizePytest’s parametrize feature is powerful but it looks scary. I hope this step-by-step explanation helps people use it more.
Python 3.14:
We'll make the next release candidate (rc2) this Thursday, two weeks early, and add a rc3 on 2025-09-16.
We fixed a code generation bug that required the "magic number" to be increased for rc2. This means .pyc files compiled by rc1 can't be used in rc2 and will be recompiled.
The ABI isn't changing, and wheels built for rc1 should still work for rc2, rc3 and 3.14.x, but it's better to get this out for testing sooner.
https://discuss.python.org/t/early-3-14-0-rc2-and-extra-rc3/102151
Discussions on Python.org · Early 3.14.0 rc2 and extra rc3FYI because of the bug fix requiring a magic number bump, I’ve decided to do rc2 this Thursday, and add an additional rc3 on 2025-09-16 (during the core sprint), which is about midway between rc2 and final. As described in the linked topic: The ABI isn’t changing. Wheels built for rc1 should be fine for rc2, rc3 and 3.14.x and beyond. So this shouldn’t affect too many people but let’s get this out for testing sooner. Updated schedule: 3.14.0 candidate 2: Thursday, 2025-08-14 3.14.0 candida...
「EuroPython ＆ PHPers Day 2025 参加報告会」8/26に開催 ―海外カンファレンス参加者の体験や学びを共有
https://gihyo.jp/article/2025/08/europython-phpers-day-report-event?utm_source=feed
gihyo.jp · 「EuroPython ＆ PHPers Day 2025 参加報告会」8/26に開催 ―海外カンファレンス参加者の体験や学びを共有 | gihyo.jp2025年7月14日～20日にチェコで開催された「EuroPython 2025」と、2025年5月24日にポーランドで開催された「PHPers Day 2025」にそれぞれ日本から登壇、参加したメンバーが現地の体験を共有する報告会が、2025年8月26日（火）にハイブリッド形式で開催される。
Hippo 
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Coming back to the more mundane (and therefore probably also the more immediately useful 
) is #Formulas, which plans to bring Excel-compatible formula evaluation to #Python 
https://nlnet.nl/project/Formulas/
As someone who avoid spreadsheets when I can, but also sometimes ends up working with people who think and dream in them, this sounds like something that could form a workable solution for both sides 
7/n
nlnet.nlNLnet; Formulas
🅻🅸🅲🅴 (
) I created a simple Python CLI program to easily add configurable watermark text to an image or directory of images.
Re: https://lgbtqia.space/@alice/114988947359085193
Here's the #Codeberg repo: https://codeberg.org/alicewatson/watermarker
LGBTQIA.Space🅰🅻🅸🅲🅴 (🌈🦄) (@alice@lgbtqia.space)I've been seeing my photos (and photos of me) reposted without permission or attribution.
That's not cool.
Please link to my post or profile instead. And for fuck's sake, if you're going to steal my work, at *least* steal the alt-text too! Like for real 💁🏼♀️🤦🏼♀️, it's right there, on *every* image I post.
If you see someone reposting my photos as their own, please @ me. I'd appreciate it. Thanks 🩷
#Reposting #OriginalContent #Photography
Want easier, cleaner #container testing workflows? Check out this #oSC25 talk on #pytest_container, which is a plugin that automates setup, testing, and teardown using familiar #Python tools. No #bash, no mess. #DevOps #openSUSE https://youtu.be/kU9NS1FpfY8?si=qyjoR5zfMWI7qpY3
In case you have not heard, PyCon Africa is coming to South Africa this year - marking the first major international Python conference in Southern Africa!
We're not just hosting an event - we're growing the Southern African #Python community. Part of how we do that is by offering financal help to folks who would get a lot of benefit from the event, but can't afford to attend. Students, teachers, community leaders, young professionals... we want to open as many doors as we can!