#__slots__ tag - Briefly

Threading in Python Quiz - Real Python

An interactive 10-question quiz assesses understanding of Python threading concepts including thread creation, ThreadPoolExecutor, locks for race condition prevention, and queue-based producer-consumer patterns.

Artificial intelligence

fromTechCrunch

Running AI models is turning into a memory game | TechCrunch

Rising DRAM prices and sophisticated prompt-caching orchestration make memory management a critical cost and performance factor for large-scale AI deployments.

Pydantic AI: Build Type-Safe LLM Agents in Python Quiz - Real Python

An interactive quiz assesses knowledge of Pydantic AI, covering type-safe LLM agents, model providers, structured outputs, tool registration, dependency injection, and production trade-offs.

Episode #280: Considering Fast and Slow in Python Programming - The Real Python Podcast

Christopher shares an article titled "The Uselessness of 'Fast' and 'Slow' in Programming." It digs into how the different aspects of software performance span a wide range of orders of magnitude, and how developers can obsess over irrelevant performance details, often losing more time working in suboptimal environments than building what they need with tools they already know. We also discuss an article about why uv is fast, which explains how most of its speed comes from engineering decisions rather than just being written in Rust.

Web frameworks

Python Stacks, Queues, and Priority Queues in Practice Quiz - Real Python

An 11-question quiz tests understanding of Python stacks, queues, priority queues, and their real-world applications in traversal and system architecture.

Duck Typing in Python: Writing Flexible and Decoupled Code Quiz - Real Python

An interactive quiz assesses understanding of duck typing in Python, covering its definition, advantages, disadvantages, behavior-based interfaces, protocols, special methods, and alternative approaches.

What Does Python's init.py Do? - Real Python

A directory without an __init__.py file becomes a namespace package, which behaves differently from a regular package and may cause slower imports. You can use __init__.py to explicitly define a package's public API by importing specific modules or functions into the package namespace.

Python

fromPythonmorsels

All iteration is the same in Python

All Python iteration forms use the same iterator protocol; iterating over an object yields its defined iteration items (e.g., dictionary yields keys, string yields characters).

fromInfoWorld

CPython vs. PyPy: Which Python runtime has the better JIT?

PyPy remains far faster for raw numerical workloads, but CPython's new native JIT and no-GIL builds close the gap in other workloads and enable threading.

fromThepythoncodingstack

Planning Meals, Weekly Shop, Alternative Constructors Using Class Methods

Use alternative constructors via class methods to build Meal and WeeklyMealPlanner objects and protect internal state with read-only properties and shallow copies.

fromNedbatchelder

Testing: exceptions and caches

Kacper Borucki blogged about parameterizing exception testing, and linked to pytest docs and a StackOverflow answer with similar approaches. The common way to test exceptions is to use pytest.raises as a context manager, and have separate tests for the cases that succeed and those that fail. Instead, this approach lets you unify them. I tweaked it to this, which I think reads nicely: One parameterized test that covers both good and bad outcomes. Nice.