PyCoder’s Weekly

Issue #732: Web Scraping, Altair Charts, OpenAI's API, and More (April 28, 2026)

2026-04-28T19:30:00+00:00

#732 – APRIL 28, 2026
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`browser-use` vs. Playwright: Which to Pick for Web Scraping?

Follow along in this walk-through building a Hacker News synthesizer with browser-use, then see it fail on a harder Newegg scraping task. Includes a side-by-side comparison with Playwright and a breakdown of when each tool is the right call.
CODECUT.AI • Shared by Khuyen Tran

Altair: Declarative Charts With Python

Build interactive Python charts the declarative way with Altair. Map data to visual properties and add linked selections. No JavaScript required.
REAL PYTHON

Positron: The Data Science IDE from Posit PBC

Positron is a free IDE built for Python data science. AI assistance, interactive data frames, Jupyter notebooks, and instant app deployment, all in one place. Stop context-switching. Start shipping. Download free.
POSIT PBC sponsor

Leverage OpenAI’s API in Your Python Projects

Learn how to use the ChatGPT API with Python’s openai library to send prompts, control AI behavior with roles, and get structured outputs.
REAL PYTHON course

Quiz: Leverage OpenAI’s API in Your Python Projects

REAL PYTHON

Python Software Foundation Fellow Members for Q1 2026!

PYTHON SOFTWARE FOUNDATION

PEP 708: Extending the Repository API to Mitigate Dependency Confusion Attacks (Rejected)

PYTHON.ORG

PEP 806: Mixed Sync/Async Context Managers With Precise Async Marking (Rejected)

PYTHON.ORG

PEP 833: Freezing the HTML Simple Repository API (Draft)

PYTHON.ORG

Articles & Tutorials

Fixing a Memory “Leak” From Python 3.14’s Incremental Garbage Collection

Adam encountered an out-of-memory error while migrating a client project to Python 3.14. The issue occurred when running Django’s database migration command on a limited-resource server, and seemed to be caused by the new incremental garbage collection algorithm in Python 3.14.
ADAM JOHNSON

Logging to File and to Textual Console

When writing TUI applications in Textual you can’t just print out your debug info since the terminal is controlled by the framework. This article shows you how to log and use Textual’s built-in debug console.
MIKE DRISCOLL

Beyond Basic RAG: Build Persistent AI Agents

Master next-gen AI with Python notebooks for agentic reasoning, memory engineering, and multi-agent orchestration. Scale apps using production-ready patterns for LangChain, LlamaIndex, and high-performance vector search. Explore & Star on GitHub.
ORACLE sponsor

Read the Docs Now Supports `uv` Natively

Popular open source documentation site Read the Docs has announced they now support native uv in .readthedocs.yaml for Python dependency installation. Learn how to use it in your configurations
READ THE DOCS

PyTexas 2026 Recap

Per-talk notes from PyTexas 2026 in Austin: Hynek on domain modeling, Dawn Wages on specialization, MCP security, PEP 810 lazy imports, free-threading, Ruff, ty, uv, supply chain.
BERNÁT GÁBOR

The Carbon Footprint of Wagtail AI

One of the package maintainers for Wagtail AI shares his method for measuring the carbon impact of the different AI tasks users can do and goes over the initial results.
WAGTAIL.ORG • Shared by Meagen Voss

Gemini CLI vs Claude Code: Which to Choose for Python Tasks

Gemini CLI vs Claude Code: compare setup, performance, code quality, and cost to find the right Python AI coding tool for your workflow.
REAL PYTHON

Learn the Agentic Coding Workflow That Actually Works on Real Projects

65% of Python developers are stuck using AI for small tasks that fall apart on anything real. This 2-day live course (May 6-7 via Zoom) walks you through building a complete Python CLI app with Claude Code, from an empty directory to a shipped project on GitHub.
REAL PYTHON

Implementing OpenTelemetry in FastAPI

Learn how you can observe your FastAPI web apps with OpenTelemetry, including how to integrate it and why it is important.
SIGNOZ.IO • Shared by Dhruv Ahuja

Building a Python Library in 2026

So you want to build a Python library in 2026? Here’s everything you need to know about the state of the art.
STEPHEN IF

Projects & Code

Local Usage PyPI Alternative With Vulnerability Scanning

Very interesting project
GITHUB.COM/RUSTEDBYTES • Shared by Yehor Smoliakov

typeform: Type-Safe UI/CLI Generator Powered by Pydantic

GITHUB.COM/STHITAPRAJNAS

vibescore: One-Command Quality Score for Any Python Project

GITHUB.COM/STEF41 • Shared by Anonymous

dash: Data Apps & Dashboards for Python

GITHUB.COM/PLOTLY

profiling-explorer: Table-Based Profile Exploration Tool

GITHUB.COM/ADAMCHAINZ

Events

Weekly Real Python Office Hours Q&A (Virtual)

April 29, 2026
REALPYTHON.COM

PyCamp Spain 2026

April 30 to May 4, 2026
PYCAMP.ES

PyDelhi User Group Meetup

May 2, 2026
MEETUP.COM

PyBodensee Monthly Meetup

May 4, 2026
PYBODENSEE.COM

IndyPy: Lightning Talks

May 5 to May 6, 2026
MEETUP.COM

Happy Pythoning!
This was PyCoder’s Weekly Issue #732.
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Issue #731: Visualize ML, Vector DBs, Type Checker Comparison, and More (April 21, 2026)

2026-04-21T19:30:00+00:00

#731 – APRIL 21, 2026
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Machine Learning Visualized

This is a series of Jupyter notebooks that help visualize the algorithms that are used in machine learning. Learn more about neural networks, regression, k-means clustering, and more.
GAVING HUNG

Vector Databases and Embeddings With ChromaDB

Learn how to use ChromaDB, an open-source vector database, to store embeddings and give context to large language models in Python.
REAL PYTHON course

Wallaby for Python runs Tests as you Type and Streams Results Next to Code, Plus AI Context

Wallaby brings pytest / unittest results, runtime values, coverage, errors, and time-travel debugging into VS Code, so you can fix Python faster and give Copilot, Cursor, or Claude the execution context they need to stop guessing. Try it free, now in beta →
WALLABY TEAM sponsor

Python Type Checker Comparison: Speed and Memory Usage

A benchmark comparison of speed and memory usage across Python type checkers including Pyrefly, Ty, Pyright, and Mypy.
AARON POLLACK

PEP 831: Frame Pointers Everywhere: Enabling System-Level Observability for Python (Draft)

This PEP proposes two things:
PYTHON.ORG

Discussions

Reverting the Incremental GC in Python 3.14 and 3.15

PYTHON.ORG

Articles & Tutorials

Reassessing the LLM Landscape & Summoning Ghosts

What are the current techniques being employed to improve the performance of LLM-based systems? How is the industry shifting from post-training towards context engineering and multi-agent orchestration? This week on the show, Jodie Burchell, data scientist and Python Advocacy Team Lead at JetBrains, returns to discuss the current AI coding landscape.
REAL PYTHON podcast

Security Best Practices Featuring `uv` and `pip`

This collection of security practices explains how to best use your package management tools to help avoid malicious packages. Example: implement a cool-down period; most malicious packages are found quickly, by not installing on the day of a release your chances of getting something bad go down.
GITHUB.COM/LIRANTAL

Beyond Basic RAG: Build Persistent AI Agents

The Economics of Software Teams

Subtitled “Why Most Engineering Organizations Are Flying Blind”, this article is a breakdown of what software development teams actually cost, what they need to generate to be financially viable, and why most organizations have no visibility into either number.
VIKTOR CESSAN

OWASP Top 10 (2025 List) for Python Devs

The OWASP Top 10 is a list of common security vulnerabilities in code, like SQL injection. The list has recently been updated and Talk Python interviews Tanya Janca to discuss all the big changes this time around.
TALK PYTHON podcast

Textual: An Intro to DOM Queries

The Textual TUI framework uses a tree structure to store all of the widgets on the page. This DOM is query-able, giving you the ability to find widgets on the fly in your code.
MIKE DRISCOLL

Reflecting on 5 Years as the Developer in Residence

Łukasz Langa is stepping down as the Python Software Foundation’s first CPython Developer in residence. This post talks about his experience there and everything accomplished.
PYTHON SOFTWARE FOUNDATION

Decoupling Your Business Logic From the Django ORM

Where should I keep my business logic? This is a perennial topic in Django. This article proposes a continuum of cases, each with increasing complexity.
CARLTON GIBSON

How to Add Features to a Python Project With Codex CLI

Learn how to use Codex CLI to add features to Python projects via the terminal. Master AI-powered coding without needing a browser or IDE plugins.
REAL PYTHON

PyPI Has Completed Its Second Audit

PyPI has completed its second external security audit. This post shows all the things found and what they’re doing about each of them.
MIKE FIEDLER

New Technical Governance: Request for Community Feedback

The Django Steering Council has proposed new governance mechanism and is looking for feedback from the community.
DJANGO SOFTWARE FOUNDATION

Projects & Code

django-modern-rest: REST With Types and Async Support

GITHUB.COM/WEMAKE-SERVICES

django-freeze: Convert Django Sites to Static Ones

GITHUB.COM/FABIOCACCAMO

spy: SPy the Compilable Python-Like Language

GITHUB.COM/SPYLANG

prettytable: Tabular Data in a Visually Appealing ASCII

GITHUB.COM/PRETTYTABLE

endcord: Feature Rich Discord TUI Client

GITHUB.COM/SPARKLOST

Events

Weekly Real Python Office Hours Q&A (Virtual)

April 22, 2026
REALPYTHON.COM

The Carpentries

April 22 to April 24, 2026
INSTATS.ORG

AgentCamp Amsterdam 2026

April 23, 2026
MEETUP.COM

North Bay Python 2026

April 25 to April 27, 2026
NORTHBAYPYTHON.ORG

Python Sheffield

April 28, 2026
GOOGLE.COM

Happy Pythoning!
This was PyCoder’s Weekly Issue #731.
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Issue #730: Typing Django, Dictionaries, pandas vs Polars, and More (April 14, 2026)

2026-04-14T19:30:00+00:00

#730 – APRIL 14, 2026
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Typing Your Django Project in 2026

Django was first released 10 years before Python standardized its type hints syntax. Because of this it’s not surprising that getting type hints to work in your Django project is not trivial.
ANŽE'S BLOG

Dictionaries in Python

Learn how dictionaries in Python work: create and modify key-value pairs using dict literals, the dict() constructor, built-in methods, and operators.
REAL PYTHON

Secure Your Python MCP Servers With Auth and Access Control

Use the Descope Python MCP SDK to easily secure your MCP server with user auth, consent, OAuth 2.1 with PKCE, MCP client registration, scope-based access at the tool level, and more →
DESCOPE sponsor

pandas vs Polars: Backed by a 10 Million Row Study

A benchmark study of 10M rows comparing Pandas vs. Polars. Explore the architectural shifts, lazy execution, and Rust-based speed of modern data tools.
QUBRICA.COM • Shared by Rakshath

Python 3.15.0a8, 3.14.4 and 3.13.13 Released

PYTHON.ORG

PyCon US 2026 Schedule Is Live

PYCON US

Django Security Releases: 6.0.4, 5.2.13, and 4.2.30

DJANGO SOFTWARE FOUNDATION

DjangoCon Europe 2027 Call for Organizers

DJANGO SOFTWARE FOUNDATION

Articles & Tutorials

Switching All My Packages to PyPI Trusted Publishing

Matthias maintains several Python packages including the django-debug-toolbar. To help protect these projects from malicious release uploads, he’s switching to the PyPI Trusted Publishing mechanism. This article explains why and what it protects.
MATTHIAS KESTENHOLZ

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