Simon Willison’s Weblog

Better Python Decorators with wrapt (via) Adam Johnson explains the intricacies of decorating a Python function without breaking the ability to correctly introspect it, and discusses how Scout use the wrapt library by Graham Dumpleton to implement their instrumentation library.

# 2nd July 2020, 9:48 pm / decorators, python, adam-johnson

django-boss (via) Management commands are one of the few bits of Django that I still have to look up in the documentation whenever I write them. django-boss offers a smart alternative to regular management commands, based around decorators and taking the containing app as the first argument.

# 1st June 2010, 10:02 am / decorators, django, djangoboss, python, zachary-voase, recovered

Decorator to limit request rates to individual views. Neat piece of code for public facing web APIs written in Django. Update: some smart criticisms in the comments.

# 24th September 2008, 1:13 pm / django, decorators, apis, python, rate-limiting

AOP aspect of JavaScript with Dojo. Fantastic post—concisely explains Aspect Oriented Programming, then shows how Dojo’s dojox.lang.aspect brings AOP to JavaScript, including some really useful built-in aspects for logging, profiling and more. Aspects are like Python decorators on steroids.

# 18th May 2008, 10:45 am / aspects, aop, javascript, decorators, python, dojo, dojox, eugenelazutkin

Monkeypatching idioms—elegant or ugly? Guido offers a decorator and a metaclass as syntactic sugar for monkeypatching existing Python classes.

# 30th January 2008, 12:39 am / metaclasses, decorators, python, guido-van-rossum, monkeypatching, idioms

Meta-classes Made Easy. Fuzzyman introduces a metaclass factory for applying a decorator to every method of a class.

# 17th December 2006, 12:42 am / python, metaclasses, decorators, fuzzyman