Decorators Demystified
summary
PyCon US 2025 tutorial explains what @ actually does, walks through decorator call mechanics, and builds function and class decorators from scratch. It runs live coding with laptops, demonstrates wrapping, preserving signatures with functools, and measures behavior on real examples so you see whether each pattern actually works. Attendees write decorators from scratch and get over a dozen exercises plus course site access for follow‑up practice.
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