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Planet Python

The website Planet Python is a planet site that aggregates Python-related content from various sources, including blogs, news sites, and other online publications. The website provides a one-stop destination for individuals to stay up-to-date with the latest developments in the Python programming world. The content on the site includes tutorials, news, project announcements, and discussions about various Python-related topics. Users can visit the site to stay informed about the Python community, new releases, conferences, and best practices in using the Python programming language. The website's purpose is to help promote and disseminate Python-related content, thereby contributing to the growth and development of the Python community.
Planet Python planetpython.org
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RSS Hunter RSS Hunter • Aug 19, 2024

Thread Of Notes

Talk Python Blog: Calvin Hendryx-Parker joins Python Bytes as Co-Host

TL;DR: Calvin Hendryx-Parker is the new permanent co-host of Python Bytes, starting with episode 483 on June 9th, 2026. After almost 10 years, Brian Okken, who founded the show with me back in 2016, has decided it’s time for him to move on.We have some major news to announce over at Python Bytes. We are welcoming a new co-host to the show: Calvin Hendryx-Parker. After almost 10 years, Brian Okken who founded the show with me, Michael back in 2016 has decided it’s time for him to move on. On the air I called it the next generation of Python Bytes.
https://talkpython.fm/blog/posts/calvin-hendryx-parker-joins-python-bytes-as-co-host/ talkpython.fm
RSS Hunter RSS Hunter • Today

Wingware: Wing Python IDE Version 12 - July 20, 2026

Wing Python IDE version 12 is now available, featuring deep integration with the Claude Code AI coding agent. This release introduces a new Claude Code tool, a Tasks tool for managing AI agent workflows, and MCP servers that grant the agent access to Wing's code analysis, testing, and debugging capabilities. This integration makes directing AI agents within Wing more efficient and cost-effective compared to terminal use. Wing 12 also incorporates AI-driven Code Actions, FIX actions, and a "Write Tests" feature. Enhancements include pseudo-terminal support for OS Commands and Debug I/O, flexible tool placement in editor splits, and a reorganized Tools menu. Automatic test discovery simplifies the testing setup process, and the Preferences dialog now offers search functionality. The product line has been simplified into Wing Pro, which includes AI features, and Wing Classic, a traditional IDE without AI capabilities. Wing 101 remains the free IDE for beginners. Project files created in Wing 12 are not compatible with older versions, requiring users to save them under new names. Existing Wing 11 and earlier versions can be installed and used independently.
https://wingware.com/news/2026-07-20 wingware.com
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RSS Hunter RSS Hunter • Yesterday

PyPy: Moving linux builds to GLIBC==2.28

A short note for visibility.PyPy builds tarballs of the python interpreter ready for download. These include the latest releases and also nightly builds, fresh from our fleet of buildbots. Over the next couple of days, the nightly builds on linux will transition from manylinux2014 based docker images to manylinux2_28 images. The practical implication is that nightly images, and the next releases, will require a minimum of GLIBC>=2.28, i.e. AlmaLinux8, amanzonlinux 2023, debian 10, ubuntu 20.04. For a good overview of how this glibc/distro/manylinux all works, see the PEP 600 compliance page.The next release will indicate this change by a new PyPy major version, 8.0.0. It should include a Python3.12 interpreter, in which case it will be the last release of the Python 3.11 interpreter.
https://www.pypy.org/posts/2026/07/moving-linux-builds-to-glibc228.html pypy.org
RSS Hunter RSS Hunter • Jul 18

Core Dispatch: Core Dispatch #8

The Core Dispatch covers July 5-18, 2026, highlighting Python 3.15.0 beta 4's release. This beta version arrived on July 18, with subsequent releases including Python 3.13.15 and 3.14.7 planned for August 4. The core team is currently at EuroPython, where their annual Language Summit also took place; recordings will be shared later. Discussions on new Python Enhancement Proposals (PEPs) are ongoing and active. Notable PEPs include PEP 835 for annotated metadata shorthand and PEP 836 concerning JIT compilers. New PEPs like PEP 840, dealing with class namespace name resolution, have also been introduced. Users are encouraged to test the final 3.15 beta and report any issues. Several PEPs are highlighted for updates, including Shared Object Proxies and adding python-version to pyvenv.cfg. Merged pull requests introduced new functionalities to modules like ipaddress and tkinter, alongside improvements to tarfile and email utilities. Core development discussions include securely publishing to PyPI and fixing dictionary behavior in Python 3.14. Upcoming conferences and calls for papers are also listed, with deadlines approaching for several events.
https://coredispatch.xyz/editions/8 coredispatch.xyz
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RSS Hunter RSS Hunter • Jul 18

PyPodcats: Episode 12: With Juanita Gomez

Juanita Gomez is a Ph.D. candidate at UC Santa Cruz researching open source security. Her work specifically focuses on enhancing the security of scientific open source software. Previously, she contributed to the development of the Spyder IDE. Currently, she serves as a community manager for the Scientific Python project. She also plays an active role in organizing the SciPy conference. Juanita's entry into open source began through her music YouTube channel. She leveraged video editing skills to improve documentation and create tutorials for Spyder, which gained attention. This led to her involvement with the Scientific Python project. Her Ph.D. research bridges security concerns with open source development. She offers practical advice for maintainers on improving project security using tools like GitHub features and the OpenSSF Scorecard. Juanita also discusses overcoming imposter syndrome as a woman and Latina in tech, and her personal journey with music, including singing at SciPy.
https://pypodcats.live/episodes/ep-12/ pypodcats.live
RSS Hunter RSS Hunter • Jul 17

Tryton News: Release 1.0.0 of Relatorio

We are proud to announce the release of Relatorio version 1.0.0.Relatorio is a templating library for OpenDocument using also OpenDocument as source format.In addition to bug-fixes, this release contains the following improvements:Replace python-magic dependency by puremagic Remove support for chart template Remove support for PDFThe package is available at Client Challenge The documentation is available at Relatorio — A templating library able to output odt files1 post - 1 participantRead full topic
https://discuss.tryton.org/t/release-1-0-0-of-relatorio/9293 discuss.tryton.org
RSS Hunter RSS Hunter • Jul 16

Tryton News: Release 1.0.0 of GooCalendar

We are proud to announce the release 1.0.0 of GooCalendar.GooCalendar is a Python library that implements a calendar widget for GTK+.In addition to bug-fixes, this release contains this following improvements:Remove GooCanvas dependency Remove support for Python older than 3.9 Upgrade to pyprojectGooCalendar is available on PyPI: GooCalendar · PyPI The documentation is available at goocalendar — Calendar widget — A calendar widget for GTK1 post - 1 participantRead full topic
https://discuss.tryton.org/t/release-1-0-0-of-goocalendar/9292 discuss.tryton.org
RSS Hunter RSS Hunter • Jul 16

Seth Michael Larson: EuroPython 2026: Learning from the “not-so-secret” Python security cabal

The author delivered a talk at EuroPython 2026, a continuation of their previous presentation titled "Security Work Isn’t Special." This talk aimed to address how security contributions in open source don't align with established models for documentation, community, or code. The author's role as Security Developer-in-Residence at the Python Software Foundation is sponsored by Alpha-Omega. Alpha-Omega's support for Python's ecosystem security is acknowledged. The post provides links to the presentation slides, the author's previous talk, and various resources related to Python security. These resources include the Python Software Foundation Blog, the Python Insider Blog, and articles on vulnerability reporting and LLM-generated vulnerabilities. The Python Security Policy and Threat Model, along with the Python Security Response Team and PEP 811, are also referenced. The author invites readers to share their thoughts and provides contact information via Mastodon, Bluesky, or email. They also encourage browsing their blog archive and blogroll.
https://sethmlarson.dev/europython-2026-security-talk sethmlarson.dev
RSS Hunter RSS Hunter • Jul 16

Python Software Foundation: Affirm Your PSF Membership Voting Status

All voting-eligible Python Software Foundation (PSF) members must affirm their membership to participate in the upcoming Board and Python Packaging Council (PPC) elections. The deadline to affirm your intention to vote is Tuesday, August 25th, at 2:00 pm UTC. Voting itself will commence on Tuesday, September 1st, and conclude on Tuesday, September 15th, both at 2:00 pm UTC. Members should have received an email from [email protected] with instructions on how to affirm their voting status. If this email was not received, members should contact [email protected] or [email protected] for assistance. Communication preferences regarding these elections can be managed on psfmember.org by updating profile settings. To affirm voting intention, members must log into psfmember.org, navigate to the "Voting Affirmation" page, and select their preferences. Membership status can also be checked on psfmember.org under the "Your Memberships" or "PSF Member User Information" pages. The affirmation process is required by PSF bylaws to ensure election quorum, which is crucial for election validity. Members who voted in the previous year will automatically be added to the 2026 voter roll, unless they changed their contact information. Eligible members will receive ballots via email from OpaVote around September 1st.
https://pyfound.blogspot.com/2026/07/affirm-PSF-voting-status-2026.html pyfound.blogspot.com
RSS Hunter RSS Hunter • Jul 15

Django Weblog: Supporting the Triptych Project

The Django Steering Council supports the Triptych Project, aiming to enhance HTML expressiveness in all browsers. This project proposes three additions to HTML: enabling PUT, PATCH, and DELETE form methods, introducing button actions for HTTP requests, and allowing partial DOM updates. These changes would reduce JavaScript dependency and simplify web development. The project aligns with the recent trend of server-rendered applications and Django's own template partials feature.The current focus is on button actions, which would allow single-line button declarations for actions like logging out, eliminating the need for cumbersome forms. This change would significantly simplify common web patterns, such as those found in the Django admin interface. Such improvements would benefit developers across all frameworks that rely on HTML and server-side rendering. The Django Software Foundation is backing this initiative because advancing web standards is central to its mission.Standards work is a slow but impactful process, and funding is sought to dedicate individuals to this effort. The foundation has provided a Letter of Collaboration for a funding application by Carson Gross and Alex Petros. Companies using Django or similar frameworks are encouraged to provide letters of support to aid the application. Individuals can help by reviewing proposals, participating in discussions, and spreading awareness. The ultimate goal is a simpler and better web through fundamental HTML improvements.
https://www.djangoproject.com/weblog/2026/jul/15/supporting-the-triptych-project/ djangoproject.com
RSS Hunter RSS Hunter • Jul 15

PyCoder’s Weekly: Issue #743: Stacks & Queues, Django F-Expressions, MCP Clients, and More (2026-07-14)

This post is a weekly newsletter for Python developers, featuring various articles, tutorials, and projects. The newsletter includes articles on using Python lists for stack operations and deques for queue operations, as well as a feature on Django's F-Expressions for querying fields from the ORM. There is also a discussion on securing code with AI coding agents and a tutorial on building a Python MCP client to test MCP servers. Additionally, the newsletter mentions several security releases for Django and Python, including PEP 797 and PEP 814. The newsletter also features various projects, such as pyStrich, a 1D and 2D barcode generator library, and Snakie, a cross-platform MicroPython IDE. Furthermore, the newsletter includes a list of upcoming events, including the Weekly Real Python Office Hours Q&A and PyData Bristol Meetup. The newsletter concludes with an invitation to subscribe to PyCoder's Weekly to receive the best Python news, articles, and tutorials delivered to your inbox once a week. Overall, the newsletter provides a comprehensive overview of the latest developments and resources in the Python community. The newsletter is a valuable resource for Python developers, providing them with the latest news, tutorials, and projects to help them improve their skills and stay up-to-date with the latest developments in the field.
https://pycoders.com/issues/743 pycoders.com
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RSS Hunter RSS Hunter • Jul 14

Peter Bengtsson: How to use a list/tuple/array in Django with a raw SQL cursor

The provided code snippet is using Django's database connection to execute a SQL query with a list of values. However, the original code does not work due to a syntax error caused by the IN operator and a tuple of values. The error message indicates that the IN operator is not compatible with a tuple of values. The issue is specific to psycopg v3, which requires the use of the ANY operator instead of IN. To fix the issue, the code is modified to use the ANY operator and pass a list of values instead of a tuple. When working with a list of strings, the ANY operator still causes an error due to the data type mismatch. The error occurs because the ANY operator is trying to compare strings with integers. To resolve this issue, the SQL string is rewritten to treat each value as a separate parameter. This approach ensures that each value is properly formatted and escaped, preventing any potential SQL injection attacks. The revised code uses an f-string to dynamically generate the SQL query with the correct number of parameters. The list of values is then passed to the execute method, which replaces the placeholders in the SQL query with the actual values. This approach provides a safe and efficient way to execute SQL queries with a list of values. The revised code is able to handle both integer and string values correctly, and it avoids any potential SQL injection vulnerabilities. The use of parameterized queries ensures that the values are properly escaped and formatted, regardless of their data type. Overall, the revised code provides a robust and secure solution for executing SQL queries with a list of values in Django. The revised code is more secure and efficient than the original code, and it provides a good example of how to handle SQL queries with dynamic parameters in Django. The use of parameterized queries and the ANY operator provides a good balance between security and performance, making the revised code a good solution for executing SQL queries with a list of values in Django.
http://www.peterbe.com/plog/how-to-use-a-listtuplearray-in-django-with-a-raw-sql-cursor peterbe.com
RSS Hunter RSS Hunter • Jul 14

Mike Driscoll: Python 101 3rd Edition Kickstarter Launch

Michael Driscoll is releasing the third edition of his book, Python 101, which aims to make learning the Python programming language accessible, practical, and enjoyable for beginners. This new edition is necessary due to significant changes in Python, including new language features and updated best practices since the previous version. The third edition will feature updated examples for modern Python versions, cover current features, and incorporate reader feedback for improved code samples and exercises. The book is intended for individuals with no prior programming experience, students, self-taught developers, and professionals transitioning into software development. Kickstarter is being used to fund the writing, editing, ebook production, print preparation, and fulfillment of the book. Backer rewards range from digital copies and print editions to signed books and early access to content. Project updates will be shared throughout the development process. Driscoll expresses gratitude for reader support, highlighting the collaborative nature of creating technical books. He hopes to make this the best beginner-focused edition of Python 101 yet.
https://blog.pythonlibrary.org/2026/07/14/python-101-3rd-edition-kickstarter-launch/ blog.pythonlibrary.org
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RSS Hunter RSS Hunter • Jul 14

PyPodcats: Trailer: Episode 12 With Juanita Gomez

A preview of our chat with Juanita Gomez. Watch the full episode on July 17, 2026A preview of our chat with Juanita Gomez. Watch the full episode on July 17, 2026 Sneak Peek of our chat with Juanita Gomez, hosted by Cheuk Ting Ho and Mariatta Wijaya.Juanita is a Ph.D. candidate in Computer Science at UC Santa Cruz, where her research focuses on improving the security of scientific open source software. She is a former developer of the Spyder IDE, one of the community managers for the Scientific Python project, and part of the organizing committee for the SciPy conference.In this episode, Juanita shares how she went from making music videos on YouTube to creating friendlier documentation for Spyder, her research on open source security, practical security tips for maintainers, and her journey navigating imposter syndrome as a woman and Latina in tech. Plus: The X Factor, Shakira, and singing on stage at SciPy.Full episode is coming on July 17th, 2026! Subscribe to our podcast now!
https://pypodcats.live/episodes/ep-12-trailer/ pypodcats.live
RSS Hunter RSS Hunter • Jul 14

Python Bytes: #488 tau - it's 2pi and it writes code

The trusted publishing debate centers on securing package distribution. Trusted Publishing utilizes OIDC for machine identity authentication, replacing long-lived tokens with short-lived credentials. However, this mechanism only verifies the machine identity, not the package's safety or quality. Similarly, package attestations are not inherently trust signals. Real security involves locking down CI pipeline permissions and pinning actions to commit hashes. JupyterLab 4.6 and Notebook 7.6 have been released with numerous improvements. Key features include a scratchpad console for experiments and an improved file browser. The debugger now opens sources in the main area, and custom layouts offer more flexibility. Extension builds are significantly faster due to Rspack and jupyter-builder. Tau is a new, small, and readable terminal coding agent designed for both practical use and teaching. It supports multiple AI providers and offers a three-layer architecture for flexibility. Django 6.0 introduces first-party background tasks via django.tasks, an API for task definition and queuing. This system requires users to provide their own backend for task execution. A community-developed local backend, django-tasks-local, offers a simple solution for development and low-traffic production. The episode also mentions a bug fix related to Python dictionaries and that Bunny DNS is now free.
https://pythonbytes.fm/episodes/show/488/tau-its-2pi-and-it-writes-code pythonbytes.fm
RSS Hunter RSS Hunter • Jul 14

Django Weblog: Explore the DjangoCon US 2026 Speaker Lineup and Reserve Your Spot

DjangoCon US 2026 is just around the corner, and now is the perfect time to start planning your conference experience.Our speaker lineup is now available, featuring talks from Django contributors, maintainers, educators, and community members covering everything from web development and APIs to deployment, security, testing, AI, and the future of the Django ecosystem.Whether you're attending your first DjangoCon US or returning to reconnect with friends and colleagues, you'll find opportunities to learn, share ideas, and meet people from across the global Django community.Beyond the talks, your conference registration includes access to tutorials, Open Spaces, community sprints, hallway conversations, and social events that make DjangoCon US a unique experience.If you haven't registered yet, there's still time to join us in Chicago, August 24–28.Register for DjangoCon US 2026: https://2026.djangocon.usBrowse the speaker lineup: https://2026.djangocon.us/news/announcing-lineup/We'll be sharing more updates in the coming weeks, including the full conference schedule, travel reminders, and everything you need to make the most of your time at DjangoCon US.We look forward to seeing you in Chicago this August!
https://www.djangoproject.com/weblog/2026/jul/13/explore-the-djangocon-us-2026-speaker-lineup-and-r/ djangoproject.com
RSS Hunter RSS Hunter • Jul 13

Hugo van Kemenade: Security: line goes up

The CPython project is experiencing a significant increase in security reports, similar to other projects. A chart was posted by Seth Larson, the PSF Security Developer-in-Residence, showing a large increase in CVEs per year, with a notable spike in 2026. However, this chart only represents the output of security work and does not account for all the work involved in dealing with incoming reports. Many reports are closed and dealt with as non-security bug reports or neither security nor bug reports. The Python Security Response Team, or PSRT, is responsible for handling these reports, and their work is not fully reflected in the CVE chart. The number of incoming GitHub Security Advisories, or GHSAs, has been tracked since July 2024, and the data shows a significant number of reports. The GHSAs are also tracked by year, with the data for 2026 only being halfway complete. In addition to GHSAs, email reports were also used to submit security reports, and the number of email discussions and participants has been tracked by month. The PSF is grateful for the work of Seth Larson, who has helped to develop a security policy and define PSRT membership and responsibilities. Overall, the increase in security reports and the work of the PSRT are important for maintaining the security and integrity of the CPython project.
https://hugovk.dev/blog/2026/security-line-goes-up/ hugovk.dev
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RSS Hunter RSS Hunter • Jul 13

Talk Python to Me: #555: Marimo Pair - A Canvas for Agent + Developers Collaboration

Coding agents traditionally operate on files, which differs significantly from interactive data analysis workflows. Data work involves loading data, inspecting it, running code, and observing real-time responses in memory. Previously, AI agents could not access this live, in-memory state, only the underlying files. This limitation is now being overcome. Marimo Pair introduces a coding agent that integrates directly into a running notebook environment. This agent gains full access to all Python variables held in memory. The notebook effectively becomes a collaborative workspace between the user and the agent. Users can direct the agent, for example, by asking it to focus on specific data points, and the notebook's visualizations will update accordingly. This integration eliminates the need for extensive setup or schema descriptions. It allows the agent to "see" and interact with the live data state just as the user does.
https://talkpython.fm/episodes/show/555/marimo-pair-a-canvas-for-agent-developers-collaboration talkpython.fm
RSS Hunter RSS Hunter • Jul 13

Armin Ronacher: The Tower Keeps Rising

The author observes that some software projects, particularly those using AI-assisted coding, exhibit unexpected and chaotic changes, reminiscent of Bruegel's "Tower of Babel." While the biblical story often emphasizes pride, it also highlights the unity essential for technological progress. In the original Babel narrative, humanity's shared language facilitated immense collective power and ambitious projects. God's intervention scattered people and their languages, halting their unified construction efforts.Similarly, AI tools can increase individual developer productivity, enabling more ambitious software creation. However, large software projects are primarily limited by the coordination and shared understanding among developers, not just individual coding speed. This shared understanding, the "language" of a software project, encompasses concepts, boundaries, invariants, ownership, and design rationale, existing through documentation, code, reviews, and conversations.Historically, friction in understanding, though slow, helped synchronize developers by forcing them to learn and agree on system behavior. AI agents, by removing this friction, allow developers to independently make changes without necessarily engaging with others or acquiring a deep grasp of interconnected systems. Consequently, scaled vibecoded projects can become unmanageable, not due to a lack of communication, but the absence of a need for it. Agents act as tireless translators, making local alterations, but this process erodes the shared architectural language necessary for humans to reason collectively. Unlike the biblical Babel where stopped construction signaled the loss of understanding, AI-assisted engineering allows construction to continue even after shared understanding has collapsed, leading to subtle, disorienting progress.
https://lucumr.pocoo.org/2026/7/13/the-tower-keeps-rising/ lucumr.pocoo.org
RSS Hunter RSS Hunter • Jul 13

Bob Belderbos: Learning New Skills in the AI Era (vBrownBag)

The author discusses the challenge of learning new skills in the age of AI agents that can write code. The core concept is the importance of "friction" in the learning process. AI, like slot machines, offers the path of least resistance, potentially leading to an abdication of thinking. Consequently, the author intentionally removes AI assistance from their coding platforms for learning. True learning requires going through the process yourself before delegating to an agent. This is why AI is more useful for explaining concepts than for performing tasks one intends to learn. Silent errors can occur in AI-generated code, especially for beginners who haven't developed a deep understanding. Learning by building, with tests as a guide, is crucial for retaining ownership of the code. This involves reading enough to grasp concepts, choosing a real project, and writing tests first. The author emphasizes that AI should be an accelerator, not a compass, and a high bar should be maintained for accepting AI-generated code. Ultimately, AI can enhance software engineering, but it does not change the fundamental nature of the discipline.
https://belderbos.dev/blog/vbrownbag-learning-skills-ai-era/ belderbos.dev
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RSS Hunter RSS Hunter • Jul 13

Christian Ledermann: Buzzword Bingo: An Experiment in Spec-Driven AI Development

The author developed Buzzword Bingo, a multiplayer game for conferences, to explore the limits of AI-assisted, specification-driven development using Claude. The game allows users to create and share unique bingo boards, with players marking off buzzwords as they appear. The project's primary goal was to test how effectively Claude could generate reliable, type-covered Python code that met strict production standards. The development process heavily relied on specification-driven development using Speckit, defining system behavior for Claude to implement.The backend utilized Django, HTMX, Django templates, and PostgreSQL, leveraging HTMX for efficient, client-side state-free interactions. A key design choice was using capability URLs for authorization, granting access based on URL possession, thereby eliminating the need for user accounts or complex authentication. The author prioritized extreme type safety, employing a combination of ty, zuban, and pyrefly type checkers with a strict Ruff configuration.Claude excelled at producing precise type annotations when given clear examples, demonstrating an ability to generate expressive domain models. Pre-commit hooks, generated with pc-init, proved invaluable for enforcing coding standards and providing rapid feedback. However, Claude struggled with consistently applying full type annotations, sometimes attempting to disable checks rather than fixing the underlying issues. This highlighted the need for robust feedback loops and human intervention to maintain engineering constraints with AI agents.The experiment revealed that running multiple type checkers (ty, pyrefly, zuban) collectively was faster than a single MyPy run and provided complementary issue detection. The newer type-checking ecosystem shows promise but requires more experimentation for strict configuration. The project served as a successful demonstration of pushing AI-assisted development, with the true prize being the insights gained into its capabilities and limitations.
https://dev.to/ldrscke/buzzword-bingo-an-experiment-in-spec-driven-ai-development-1m88 dev.to
RSS Hunter RSS Hunter • Jul 12

Mike C. Fletcher: PyOpenGL 4.0.0a1

The author is resuming open-source work, using LLMs extensively for coding grunt work, particularly for PyOpenGL. LLM-generated tests uncovered several long-standing bugs and improved GLES and EGL usability. The glfw library was instrumental in identifying hidden GLX dependencies, including the GLUT library, and also highlighted the legacy nature of the GLE library.PyOpenGL 4.0.0a1 is a major release due to dropping support for older Python and Numpy versions, primarily featuring bug fixes from new test suites. Specific fixes include corrections for GLU functions, regenerated OpenGL sizing tables based on platform probing, and removal of double wrapping for several OpenGL functions.New 64-bit integer array types (GL_INT64 and GL_UNSIGNED_INT64) have been added, and non-Numpy operations are improved with ctypesarrays and char_p support. GLES has received significant attention with an images module, friendly wrappers mimicking GL, and extension name normalization.General bug fixes encompass large constant wrapping, context-specific caching of extension/version data, and ShaderProgram.retrieve() unpacking fixes. Logging decorators are now more type-check friendly, and packaging has received license declaration fixes.While this alpha release prioritizes correctness fixes, new code, especially for GLES, may introduce some regressions. The 4.0.0a1 alpha is available for testing, with further changes expected before the final 4.0.0 release. Progress on OpenGLContext is ongoing, with a teaser image showcasing a direct render of a Khronos sample asset.
http://blog.vrplumber.com/b/2026/07/12/pyopengl-400a1/ blog.vrplumber.com
RSS Hunter RSS Hunter • Jul 12

Python⇒Speed: 6× faster binary search: from compiled code to mechanical sympathy

Optimizing Python code often begins with selecting efficient algorithms, using compiled language extensions, and incorporating parallelism. However, achieving even greater speed mandates a deeper understanding of CPU architecture. For instance, a common problem in scikit-learn's gradient histogram boosting involves assigning a large array of floating-point numbers to 255 integer buckets evenly. The initial approach uses a compiled, parallel binary search on sorted bucket boundaries. Significant speed improvements were achieved by ensuring the code aligned with CPU capabilities, rather than working against them. This involved understanding concepts like instruction-level parallelism and memory caches. The article will demonstrate a simplified example, illustrating how to achieve a 6x speedup over the original implementation. This journey will touch upon advanced low-level hardware topics such as branch prediction and SIMD. While not an in-depth tutorial, it will introduce the possibilities of such optimizations. The author will provide resources for further learning on these complex hardware topics.
https://pythonspeed.com/articles/branchless-binary-search/ pythonspeed.com
RSS Hunter RSS Hunter • Jul 11

Mike Driscoll: An Intro to Spiel – Creating Presentations in Your Terminal with Python

Spiel is an open source project that allows users to create presentations in their computer's terminal, which is an uncommon need but a clever solution. The project uses the Rich package to create the slides for the presentation, but it is currently archived and uses an old version of Textual that cannot be upgraded. To try Spiel, users can either use Docker or install it using pip, and it is recommended to install it in a Python virtual environment. Once installed, users can check if it is working by running the Spiel demo. Creating a presentation with Spiel involves creating a deck and adding slides, which can be done using a decorator or by adding Slide objects to the deck. The documentation provides examples of how to create a one-slide presentation and a more complete example with custom slides. Users can move to the next or previous slide using the arrow keys and exit by pressing CTRL+C. Spiel seems like a neat package, but it is a shame that it is currently archived, and hopefully, the author will reopen it or someone else will pick up the torch. In the meantime, users can still use it in a Python virtual environment and give it a try. Overall, Spiel is a unique and interesting project that allows users to create presentations in their terminal, and it is worth exploring despite its current archived status. The project's functionality and examples provided in the documentation make it easy for users to get started and create their own presentations.
https://blog.pythonlibrary.org/2026/07/10/an-intro-to-spiel-creating-presentations-in-your-terminal-with-python/ blog.pythonlibrary.org
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RSS Hunter RSS Hunter • Jul 10

Talk Python to Me: #554: Trustworthy AI in Healthcare and Longevity

The topic of discussion is the use of artificial intelligence in high-stakes fields such as medicine, where a confidently wrong answer can have serious consequences. Sumit Gundawar, a London-based software engineer, argues that in such fields, earning trust is the real engineering challenge, rather than just building the model. Gundawar works on the clinical platform for a UK longevity and aesthetic-medicine clinic, where patient safety is a top priority. He emphasizes the importance of grounding, refusal logic, and human-in-the-loop design in AI systems to prevent patient-safety events. The conversation also touches on the concept of hallucinations in AI, which can be particularly problematic in medical contexts. Gundawar demonstrates an assistant that refuses to answer when it cannot back up its claim, highlighting the need for transparency and accountability in AI decision-making. The discussion also covers various tools and platforms, including Anthropic, OpenAI, and LangChain, which are being used to develop more reliable and trustworthy AI systems. Additionally, the conversation mentions regulatory frameworks such as the EU AI Act and HIPAA, which aim to ensure the safe and responsible development of AI in high-stakes fields. The importance of human oversight and review in AI decision-making is also emphasized, particularly in fields where the consequences of error can be severe. Overall, the discussion highlights the need for a more nuanced and multidisciplinary approach to developing AI systems that can be trusted to make decisions in high-stakes contexts.
https://talkpython.fm/episodes/show/554/trustworthy-ai-in-healthcare-and-longevity talkpython.fm
RSS Hunter RSS Hunter • Jul 10

EuroPython: Humans of EuroPython: Daria Linhart Grudzień

EuroPython relies heavily on dedicated volunteers who invest significant time into its organization. These volunteers handle crucial tasks like venue contracting and speaker selection, contributing hundreds of hours to ensure each conference's success. This article highlights Daria Linhart Grudzień, the Communications Lead, and her contributions. Daria initially joined the team in 2025 to organize a local tech event for juniors in Czechia. She found that volunteering led to many friendships and professional connections within the EuroPython community. In her primary role as Communications Lead for the 2026 edition, Daria manages diverse tasks from team building to media partnerships and web development. She has experienced moments where her team's efforts were recognized by core Python developers and appreciated by the wider community through social media engagement. Daria expresses a strong desire to volunteer again, citing the empowerment to experiment, grow, and contribute to impactful initiatives. She describes the volunteer experience with three words: Ownership, Impact, and Collaboration. An unexpected highlight for Daria was being invited to discuss EuroPython on the Real Python Podcast.
https://blog.europython.eu/humans-of-europython-daria-linhart-grudzien/ blog.europython.eu
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RSS Hunter RSS Hunter • Jul 9

Python Software Foundation: The PSF D&I Workgroup Are Starting Office Hours in July!

The PSF Diversity and Inclusion Workgroup is launching monthly virtual office hours on Discord, starting on Tuesday, 28 July 2026. The goal is to provide a space for people working on diversity and inclusion in tech to connect, share their experiences, and ask questions. The office hours will be held on the last Tuesday of every month, alternating between two time slots to accommodate different time zones. The first session will be at 1 PM UTC, and the following session will be at 9 PM UTC, with this pattern continuing. The conversations will be text-based and open to anyone, with no pressure to participate or present oneself in a certain way. The workgroup aims to discuss various topics, including ideas for policies and initiatives to diversify the PSF missions, feedback from the community, and progress on diversity initiatives. The office hours will be held in the #psf-diversity channel on the PSF Discord, and participants are welcome to join in their own language, with threads available in multiple languages. The workgroup encourages people to share their thoughts, ask questions, and connect with others who care about making the Python community more welcoming. The conversations will remain in the channel, allowing participants to catch up later if they cannot attend the live session. The PSF Diversity and Inclusion Workgroup looks forward to meeting and connecting with people from around the world during these office hours.
https://pyfound.blogspot.com/2026/07/the-psf-d-workgroup-are-starting-office.html pyfound.blogspot.com
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RSS Hunter RSS Hunter • Jul 9

Django Weblog: Last Call 2026 Django Developer Survey

The final call for the 2026 Django Developers Survey is now open. This crucial survey, a collaboration between the Django Software Foundation and JetBrains, closes on July 13, 2026. It serves as a vital tool for understanding Django's usage and influencing future technical and community decisions. Over 3,100 responses have been received, and the organizers aim to exceed 4,000 participants. Each submission provides valuable insights into the Django community's needs and practices. The survey's design was influenced by key figures and members of the Django ecosystem. This feedback is essential for planning future development and addressing community requirements. Participants are encouraged to share the survey on social media and within their respective communities to increase response diversity. Wider participation leads to more representative and useful results for everyone involved. You can access the survey via provided links for platforms like Bluesky, Django Forum, LinkedIn, Mastodon, Reddit, and X/Twitter. Further details are available on the official Django blog.
https://www.djangoproject.com/weblog/2026/jul/08/last-call-2026-django-developer-survey/ djangoproject.com
RSS Hunter RSS Hunter • Jul 8

Mike Driscoll: New Book Release: Python Typing

My new book, Python Typing, is officially released and accessible across multiple platforms. You can purchase it on Gumroad, Leanpub, or Amazon. Python has offered type hinting capabilities since version 3.5, a feature that has evolved significantly over time. This book comprehensively covers how to effectively incorporate type hints into your Python projects. It will guide you through understanding Python's annotation system in detail. You will explore essential concepts such as variable and function annotations, type aliases, new types, and generics. The book also delves into hinting callables, TypedDict, decorators, and generators. Beyond just annotations, it provides practical knowledge on using and configuring Python type checkers like Mypy and ty. Furthermore, you will learn to integrate these tools into your development workflow using pre-commit hooks or GitHub Actions. This integration empowers automatic code checking before code merges, aiming to prevent defects from entering production.
https://blog.pythonlibrary.org/2026/07/08/new-book-release-python-typing/ blog.pythonlibrary.org
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RSS Hunter RSS Hunter • Jul 8

Hugo van Kemenade: Fixing the dictionary with Python 3.14

The text discusses the process of working on CPython and encountering obscure bugs in various compilers, operating systems, and other areas. The author mentions several examples of these bugs, including issues with Rust, LLVM, clang, GCC, glibc, readline, and curses. The Python release notes have a section called "And now for something completely different" which includes interesting facts and trivia. For Python 3.14, the author is focusing on the theme of pi, pie, and magpie. As part of this research, the author looked up the word pi in the Oxford English Dictionary. The Oxford English Dictionary's first citation for pi was from William Jones' book Synopsis Palmariorum Matheseos, published in 1706. However, the author found a markup bug in the OED's first citation for pi. The author reported the bug to the OED in July 2024 and it was fixed by June 2025. The text also includes a mention of the OED's history, referencing its 1901 forerunner, A New English Dictionary on Historical Principles. The author expresses satisfaction that the bug was fixed, saying "Hooray" to celebrate the resolution of the issue.
https://hugovk.dev/blog/2026/fixing-dict/ hugovk.dev
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RSS Hunter RSS Hunter • Jul 8

Marc-André Lemburg: My 25th EuroPython - in a row😊

Next weekend, I&aposll be heading to Kraków, Poland, for my 25th EuroPython conference. It&aposs been a long ride since the first EuroPython conference in Charleroi, Belgium, but one I wouldn&apost have wanted to miss. This year, I&aposll be giving a talk about DuckLake, an extension to DuckDB, one of the most exciting new database systems in the last few years. Come join in. Cheers, Marc-André
https://malemburg.com/my-25th-europython-in-a-row/ malemburg.com
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RSS Hunter RSS Hunter • Jul 8

Python GUIs: Why Widgets Appear as Separate Windows — Understanding widget parenting in Qt and how to fix widgets that float outside your main window

In PyQt6, dynamically added widgets sometimes pop out as separate windows due to issues with widget parenting. Every widget in Qt can have an optional parent widget, which dictates its visual placement. Without a parent, or if the parent is lost, a widget becomes a top-level window. This commonly occurs when widgets are created without specifying a parent during initialization. For instance, tabs = QTabWidget() creates a widget without a parent, leading it to float independently. Using tabs = QTabWidget(parent_widget) explicitly assigns a parent, keeping it within the intended container. Reassigning a widget attribute, like self.w = QTabWidget(), can unintentionally replace an existing widget, causing its children to lose their parent and become floating windows. Explicitly setting a widget's parent to None also makes it a standalone window. Even indirect actions, like removing a widget from a layout in certain ways, can clear its parent reference. The solution is to ensure every widget has a parent, either by passing it during creation or by adding it to a layout promptly. The provided example demonstrates dynamic tab creation by consistently setting explicit parents for all widgets. This includes creating new tabs before a designated "+" tab and using blockSignals to prevent recursive signal firing. Understanding and correctly managing widget parenting is crucial for preventing these unexpected floating window behaviors.
https://www.pythonguis.com/faq/adding-new-tabs-in-tabwidget-appears-as-a-seperate-window-when-tab-is-selected/ pythonguis.com
RSS Hunter RSS Hunter • Jul 8

Brett Cannon: How to publish to PyPI using GitHub Actions securely

Recent security incidents involving GitHub Actions workflows highlight its potential as a vulnerability in publishing processes. This post offers three mitigation strategies for secure PyPI publishing using GitHub Actions. It emphasizes that the advice is specifically for publishing, not building, and that separate workflows for each are recommended.The first step is to use the zizmor tool to identify and fix insecure defaults in your GitHub Actions workflows. This involves running zizmor to automatically fix issues and manually addressing any remaining problems. Three common issues zizmor flags are overly broad default permissions, persisting credentials after checkout, and the lack of pinning actions to specific commit hashes.To address broad permissions, set global permissions to empty and then specify job-level permissions explicitly. For checkout actions, set persist-credentials to false to prevent credential leakage. Pinning actions to commit hashes, rather than tags, prevents compromise through malicious code updates to those tags. Tools like gha-update, zizmor, or Pinact can help automate this pinning process.The second key strategy is to integrate zizmor into your CI pipeline. Doing so reports any security issues as private code scanning results, providing a checklist for gradual remediation. The third and final recommended step is to implement Trusted Publishing for PyPI. This eliminates the need to manage API tokens and leverages GitHub's security infrastructure.When setting up Trusted Publishing, it is crucial to configure a GitHub environment. Within this environment, requiring reviewers for publishing workflows adds a vital approval gate. This approval process, even if it's just your own approval, protects against accidental or malicious triggering of releases. These three steps significantly enhance the security of publishing to PyPI via GitHub Actions.
https://snarky.ca/how-to-publish-to-pypi-using-github-actions-securely/ snarky.ca
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RSS Hunter RSS Hunter • Jul 7

PyCoder’s Weekly: Issue #742: Wagtail as Admin, Random Values, Code Quality, and More (2026-07-07)

This issue of PyCoder's Weekly highlights Wagtail as a modern alternative to the Django Admin. It also explains how to select random values in Python, differentiating between the random and secrets modules. A sponsored piece from PropelAuth introduces secure AI agent integration for B2B apps. The issue covers managing Python code quality with various tools and includes a related quiz.Discussions feature the final PEP 752 on package repository namespaces and a draft PEP 836 regarding a supported JIT compiler for CPython. PyCon US 2026 videos are now available. The Python Software Foundation is holding office hours for potential PSF Board candidates. A comprehensive guide to running Celery on AWS ECS is presented, emphasizing reliable task processing.A sponsored course teaches an agentic coding workflow for real projects using AI. Thomas Wouters discussed the past, present, and future of free-threaded Python at PyCon US 2026. Carlton Gibson shared his thoughts on the evolving OSS contribution model, particularly with the rise of AI. The issue also provides tutorials on extracting TIFF metadata with Pillow and optimizing Django test suites through profiling.Python 3.15 previews an upgraded JIT compiler, with a related quiz available. Techniques for storing extra data with objects using WeakKeyDictionary and getting started with GitHub Copilot CLI are also covered. Several new Python projects are showcased, including pytest-tia for targeted test runs and purejq as a Python implementation of jq. Various upcoming Python events and meetups are listed, spanning July 2026.
https://pycoders.com/issues/742 pycoders.com
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RSS Hunter RSS Hunter • Jul 7

PyCharm: Best Object Detection Models for Machine Learning in 2026

Object detection is a crucial computer vision task that identifies and locates multiple objects within images or video frames. This goes beyond simple image classification by pinpointing the exact position of each object with bounding boxes. Performance assessment requires metrics for both accuracy and computational efficiency, with Intersection over Union (IoU) and mean Average Precision (mAP) measuring detection quality. Frames per second (FPS) and parameter count are key indicators of a model's inference speed and resource requirements.Object detection architectures are broadly categorized as either CNN-based or Transformer-based, with modern models often fusing features from both. Processing flows are also divided into two-stage detectors, which perform region proposals then classification, and single-stage detectors that predict directly in one pass. While historically two-stage models offered higher accuracy, single-stage detectors have largely closed this gap and are generally faster.In 2026, two-stage pipelines are considered less competitive, with the leading models being single-stage, NMS-free Transformer architectures and YOLO family variants. RF-DETR stands out as the strongest real-time model, achieving the highest mAP on complex scenes due to its use of DINOv2 and deformable cross-attention. It excels in domain adaptability and supports both detection and segmentation, though it is heavier than YOLO on edge devices. YOLO12 represents an attention-centric approach, integrating self-attention mechanisms with CNNs for balanced performance. It offers competitive inference speeds and benefits from global context understanding. It is important to use the original implementation of YOLO12 for optimal performance, as some ports have been noted for inefficiencies.
https://blog.jetbrains.com/pycharm/2026/07/best-object-detection-models-for-machine-learning-in-2026/ blog.jetbrains.com
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RSS Hunter RSS Hunter • Jul 7

Ari Lamstein: This Thursday: Building Data Apps with Streamlit and Copilot

A 4-hour live workshop titled "Building Data Apps with Streamlit and Copilot" will be held on July 9th from 9am to 1pm Pacific Time. This workshop, hosted by O'Reilly, is a revised version of a previous offering. It is designed for Python users who wish to transform their analyses into interactive and shareable tools. Participants will learn to build a complete Streamlit app from a Jupyter notebook, enabling users to explore datasets with interactive controls, charts, and maps. The workshop will also cover using Copilot effectively during software development. Key topics include structuring Streamlit applications, handling user input, creating interactive graphics with Plotly, organizing the user interface, and deploying apps to Streamlit Cloud. The session is hands-on, with attendees building a functional project step-by-step. The example app allows users to select states, demographic statistics, and view data as charts, maps, or tables. This workshop is ideal for data scientists, analysts, and Python developers looking to create dashboards without extensive web development knowledge, or anyone interested in Streamlit and Copilot. Registration is available through O'Reilly's membership platform, which offers a 10-day free trial. The workshop will be recorded, so registration is still beneficial even if the live date is inconvenient.
https://arilamstein.com/blog/2026/07/07/this-thursday-building-data-apps-with-streamlit-and-copilot/ arilamstein.com
RSS Hunter RSS Hunter • Jul 7

Django Weblog: Django security releases issued: 6.0.7 and 5.2.16

The Django team is releasing Django 6.0.7 and Django 5.2.16 to address security vulnerabilities. One issue, CVE-2026-48588, could potentially expose private data through cached Set-Cookie responses. This occurred when caching responses that set cookies while varying on the Cookie header, but only if the incoming request had no cookies. Another vulnerability, CVE-2026-53877, involved a heap buffer over-read in GDALRaster when processing certain byte objects representing raster files. This could lead to information disclosure or segmentation faults, affecting rasters in GDAL's virtual filesystem. The third vulnerability, CVE-2026-53878, allowed header injection because DomainNameValidator accepted newline characters in domain names. While Django itself was not directly vulnerable, custom uses of DomainNameValidator outside of Django form fields were susceptible. These low-severity issues have been patched in the main, 6.1 beta, 6.0, and 5.2 branches of Django. Users are strongly encouraged to upgrade to the latest versions as soon as possible for security. Potential security issues should be reported privately to [email protected].
https://www.djangoproject.com/weblog/2026/jul/07/security-releases/ djangoproject.com
RSS Hunter RSS Hunter • Jul 7

PyCon: Welcome, Kattni!

Kattni has been appointed as the new Co-Chair and future Chair of PyCon US. She brings extensive experience from her work with CircuitPython and BeeWare. Kattni has also served as the Conference Chair for PyOhio since 2024. She is eager to contribute her decade of Python community organizing experience to PyCon US. Kattni views the people as the most important aspect of PyCon US, emphasizing connection and community growth. Her goal is to foster diverse perspectives and enhance memorable experiences for all attendees. She highlights the collaborative effort required to make PyCon US a success. This includes the contributions of organizers, volunteers, speakers, and attendees. Kattni is excited to work with Jon and the entire PyCon US team over the next four years. PyCon US 2027 will take place in Long Beach from May 12-18, and more details will be shared soon.
https://pycon.blogspot.com/2026/07/welcome-kattni.html pycon.blogspot.com
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RSS Hunter RSS Hunter • Jul 7

Python Bytes: #487 Minimum requirements

This episode discusses several Python-related topics, starting with dust, a faster and more visual alternative to the du command for analyzing disk usage. It helps identify large files and directories easily. Next, a new archive format specification called war is introduced, designed for Python packaging, featuring a header-index-store layout and efficient deduplication. The discussion then shifts to Hermes Agent, an open-source AI agent framework that integrates with various tools and platforms, allowing for persistent memory and automated actions. This agent aims to be more than just a chatbot, acting as a personal assistant that learns and acts on user workflows. Another highlighted tool is llm-coding-agent, an alpha release built using prompt-driven test-driven development, offering coding functionalities like file reading and editing. The segment also touches upon sli.dev for developer slides, pxpipe for token usage reduction, and the inaugural election dates for the Python Packaging Council. Finally, Michael revisits a previous topic and a joke about Linux minimum requirements is shared.
https://pythonbytes.fm/episodes/show/487/minimum-requirements pythonbytes.fm
RSS Hunter RSS Hunter • Jul 7

The No Title® Tech Blog: Optimize Images X now supports WEBP and drag and drop

Optimize Images X, the multi-platform desktop application that helps you reduce the file size of your images on macOS, Windows and Linux, has just been updated to version 2.1.0. This new version adds drag-and-drop, conversion to more output formats, including WebP and AVIF, a new image info window with a readable EXIF report, and a PyInstaller spec file for building standalone executables.
https://no-title.victordomingos.com/articles/2026/optimize-images-x_drag-and-drop no-title.victordomingos.com
RSS Hunter RSS Hunter • Jul 7

Seth Michael Larson: Playing the “Second Quest” of Legend of Zelda: Four Swords Adventures

The Legend of Zelda: Four Swords Adventures was released for the Nintendo GameCube in 2004 in Japan and America and 2005 globally, with the game split into eight areas with three levels per area. Data miners discovered eight cut levels that were mostly playable but removed late in development, which can be seen on The Cutting Room Floor. A game modding and localizing group called Eternal Dream Arabization and $$$Link created a mod that restored these cut levels, making them completable by fixing issues and adding Force Gems where necessary. The mod is a collection of map files and Action Replay codes that overwrite the map file loaded when entering the final level in each area. The cut levels include River Flow, Rainy Forest, Mountain Road, Graveyard, Four Descents into the Darkness, Oasis, Through the Blizzard, and Clouds Across the Wind. To play these cut levels, players need a legally obtained ROM of the game, an emulator like Dolphin, and the FSA Second Quest level files, which can be installed using pyisotools. The process involves extracting the ISO, copying the modded map files, and building a new ISO, after which Action Replay codes can be used to load the cut levels. Action Replay codes are provided for both US and JP versions of the game, and Swiss cheat codes are also available for use with the Swiss cheats config files. The game is one of the least played titles in the Legend of Zelda series, selling fewer than 500,000 copies globally, and the author plans to publish recordings of the cut levels being played on YouTube.
https://sethmlarson.dev/legend-of-zelda-four-swords-adventures-second-quest sethmlarson.dev
RSS Hunter RSS Hunter • Jul 7

Rodrigo Girão Serrão: Write a coding agent from first principles: better tools

This tutorial focuses on enhancing a previously built coding agent by integrating Anthropic's provided tools. The goal is to improve the agent's performance by leveraging pre-defined, optimized tool schemas. Specifically, it introduces the "text_editor_20250728" tool, named "str_replace_based_edit_tool," which consolidates the functionalities of reading, writing, replacing, and inserting text. This new tool replaces previously custom-built functions for file manipulation.The tutorial also highlights the "bash" tool, which offers a persistent bash session for executing commands. By using Anthropic's tools, the agent can make more consistent and effective tool calls because the models are trained on these specific schemas. The text editor tool is a versatile command-driven interface, allowing actions like viewing, replacing, creating, or inserting text based on a "command" key within the tool use request. To organize these tools, they will be placed in separate submodules. The existing custom file editing functions and their corresponding dictionary entries will be removed and replaced with the configuration for the Anthropic text editor tool. The text editor tool's "command" key is crucial for disambiguating the desired editing operation.
https://mathspp.com/blog/write-a-coding-agent-from-first-principles-better-tools mathspp.com
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RSS Hunter RSS Hunter • Jul 6

Seth Michael Larson: Mario Kart World and “seamless” media

Mario Kart World introduces a new mechanic where adjacent courses morph into each other during transitionary laps, called Routes. There are 202 such routes connecting 30 courses, some changing based on travel direction. This seamless design eliminates traditional course introductions and endings, blending races together. This "seamlessness" allows for new modes like "Knockout Tour," which features time-based checkpoints reminiscent of arcade games. However, this design also makes it difficult to recall individual course names, unlike iconic tracks from previous titles. The author compares this to algorithmically curated media, where active choice and memory are diminished. While the game's mechanics are not as detrimental as some media platform patterns, they reduce "ceremonies." These ceremonies, or inflection points, might prompt questioning of enjoyment. The passive participant experience leads to a lack of active selection, artist memory, and the ability to be a true "fan" without these moments of transition.
https://sethmlarson.dev/mario-kart-world-and-seamless-media sethmlarson.dev
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RSS Hunter RSS Hunter • Jul 6

Christian Ledermann: Migrate From mypy To ty And pyrefly

This guide details the migration of the fastkml Python package from mypy to ty and pyrefly. It emphasizes running both ty and pyrefly concurrently, as they catch different subsets of errors, providing a more complete picture than a single checker. The process begins with establishing a baseline error count for both tools before any code changes.The key to efficient migration lies in identifying and addressing systemic root causes, often related to optional C-extension backends, rather than fixing errors file by file. Genuine bugs exposed by the tools, especially concerning Optional/union narrowing and positional-only stubs, should be rectified. Noise from test files, specifically "constructed-then-accessed-without-narrowing" issues, should be bulk-suppressed using scoped rules.The guide advises turning on strict presets and then promoting specific rules, while explicitly cutting those that cause excessive mechanical churn. Verification involves ensuring both tools report no errors, the full test suite passes, and linters are clean. Before migration, thoroughly analyze the existing mypy configuration to understand the strictness bar ty and pyrefly need to match or exceed.Inventorying the mypy config involves mapping its settings to their rough ty/pyrefly equivalents and removing stale per-module disable error code overrides. After installing ty and pyrefly, obtaining a baseline error count categorized by error kind and then by file is crucial; the latter usually reveals systemic causes. If a partial migration exists with broad suppressions, it should be treated as a red flag, and suppressions removed to see the true baseline.The highest leverage move is fixing architectural mismatches that both checkers flag. A common pattern involves optional backends handled via try/except imports, where the fix is often an if TYPE_CHECKING: block to allow type checkers to see the richer backend's stubs. Pitfalls include the non-portability of # type: ignore[code] comments, pyrefly's TOML key casing issues, the fragility of pyrefly's array-of-tables syntax against interleaving, and the inability of a Protocol to be directly assigned to a concrete class parameter. Careful verification of tool behavior and configuration is essential throughout the process.
https://dev.to/ldrscke/migrate-from-mypy-to-ty-and-pyrefly-4p30 dev.to
RSS Hunter RSS Hunter • Jul 5

Sebastian Pölsterl: scikit-survival 0.28.0 released

Scikit-survival version 0.28.0 has been released, introducing support for Polars DataFrames alongside pandas DataFrames. This is achieved through the Narwhals dataframe abstraction layer, enhancing performance capabilities. The release also ensures compatibility with scikit-learn version 1.9. Datasets within scikit-survival can now be loaded as Polars DataFrames by specifying the output_type argument. Scikit-learn's set_output API allows transformers to return Polars DataFrames, and scikit-survival's ClinicalKernelTransform and OneHotEncoder now accept both Polars and pandas inputs. ClinicalKernelTransform is aware of Polars column types and allows specifying category order for ordinality. OneHotEncoder converts string columns to numeric ones, returning a DataFrame of the same type as the input. Survival models can now be fitted and predicted using Polars DataFrames, but only for eager DataFrames, not lazy ones. This release acknowledges two new contributors for their work on scikit-learn and Polars support. Updated dependencies include Narwhals 2.0.1 and scikit-learn 1.9.0. Scikit-survival can be installed via pip or conda.
https://k-d-w.org/blog/2026/07/scikit-survival-0.28.0-released/ k-d-w.org
RSS Hunter RSS Hunter • Jul 5