Descriptors made easy
summary
Live coding shows Python descriptors implemented with __get__ and __set__ to replace property behavior: a Person.name descriptor computes first+last on access, assignment hooks run via __set__, and prints confirm the instance is passed in. A single class implements R/G/B by storing a position and slicing the hex string (single descriptor for R/G/B). A read‑only descriptor uses __set_name__ notified attribute name to save the assigned name and raise on set. Functions-as-descriptors (methods/properties) and all demos run successfully.
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chapters (8)
- 0:00Introduction to descriptors
- 5:25What is a descriptor
- 13:41Descriptors vs properties
- 21:21RGB color descriptor demo
- 27:53Read-only descriptor design
- 33:57Using __set_name__
- 40:03Descriptors in Python methods
- 41:51Q&A and conclusion
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