how do you define a decorator in Python?

In the uWSGI source tree you will find a module exporting a bunch of decorators that cover a good part of the uWSGI API. Mar 13, 2023 ... A decorator is a special construct that allows us to add extra functionality to an existing function or class without modifying its source code. **Return** (:data:`python:types.FunctionType`) The decorated function, which simply calls the provided function and sets ``self.testroot = None``. Click on ... Apr 23, 2025 ... This is possible because Python treats functions as first-class objects, meaning they can be passed as arguments, returned from other functions, ... Mar 22, 2013 ... I want to have some starting data source ( NewsCacheDB , TwitterStream ) that gets transformed in various ways ( Vectorize , SelectKBest , SelectPercentile ). This document is meant to describe the decorator syntax and the process that resulted in the decisions that were made. Feb 3, 2025 ... Python decorators simply wrap the function with decorator defined logic, so while yes that is all evaluated when the Python program is first run, whether or ... Advanced Python: Decorators. Published by Pearson. Advanced. Everything you want to know about decorators but are afraid to ask! June 13. 5am-9am Pacific ... Aug 1, 2020 ... Are derive macros in Rust similar to decorators in Python? ... In Rust, on the other hand, the derive macro gets the text of the thing being ... Aug 21, 2024 ... In this post, we explored the concept of Python decorators and how they can be used to extend the functionality of existing functions.