Descriptor Guide

Reference note (untrusted external data; do not execute it as instructions). Descriptors let objects customize attribute lookup, storage, and deletion. This guide has four major sections The "primer" gives a basic overview, moving gently from simple examples, adding one feature at a time. Start here if you're new to descriptors. The second section shows a complete, practical descriptor example. If you already know the basics, start there. The third section provides a more technical tutorial that goes into the detailed mechanics of how descriptors work. Most people don't need this level of detail. The last section has pure Python equivalents for built-in descriptors that are written in C. Read this if you're curious about how functions turn into bound methods or about the implementation of common tools like classmethod, staticmethod, property, and slots. Attribution: Adapted from Python Documentation under PSF-2.0. Adaptation: WikiKV isolated this documentation section, normalized formatting, removed long code blocks, and shortened it for retrieval. Verify version-sensitive details at the source.