Real Python explains how Protocol enables structural subtyping and static duck typing in Python. The excerpt distinguishes internal protocols from Protocol-based type contracts and introduces compatibility based on methods and attributes rather than inheritance.
Python 3.15 adds extra_items to TypedDict to specify the value type of additional keys. The article demonstrates a Movie type with fixed title and year fields that also accepts extra string values.
Real Python introduces uv as a Rust-based Python package and project manager covering dependency installation, Python versions, virtual environments, and package publishing. The excerpt also outlines installation options and cautions that its interactive timing comparison is illustrative.
Real Python introduces embeddings and vector databases with ChromaDB, explaining how relevant documents can provide context for LLMs. The supplied excerpt covers vector fundamentals and NumPy operations; the tutorial targets ChromaDB 1.5 and Python 3.12+.
DuckDB 2.0.0 introduces major features like the Quack protocol and asynchronous I/O, along with many usability improvements such as a Python appender for efficient data insertion and enhanced CLI commands. For full details, visit the "What's New in the Docs for 2.0" page.
Real Python explains why code quality goes beyond functionality, covering readability, maintainability, efficiency, and security. It highlights clear naming, consistent style, testing, and tools such as linters, formatters, and static type checkers.
Python 3.15.2, 3.14.10, 3.13.18, 3.12.16 and 3.11.18 are expedited security releases that distrust compromised eMudhra intermediate CA keys.