Decorators
Part of the Python course
Welcome to one of Python's trickier topics. A decorator is a small wrapper you put around a function so it gains a little extra behaviour (logging, timing, an access check) without changing the function's own code. The @something lines you have probably seen in framework code are decorators, and by the end of this lesson you will know exactly what they do.
Open main.py in the editor. There is a small program waiting for you. Look for the play button (the small triangle near the file) and click it. You should see something like:
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Start this lessonDecoratorsWhat you'll learn
- Functions are objects
- Wrapper functions
- @decorator syntax
- Functools.wraps
- Parametrized decorators
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All lessons in this course
19 lessons- 1Hello, Python20 min
- 2Numbers and Strings25 min
- 3Asking the User a Question15 min
- 4Control Flow30 min
- 5Lists and Tuples30 min
- 6Dictionaries and Sets30 min
- 7Functions30 min
- 8Comprehensions25 min
- 9Files and IO30 min
- 10Modules and Packages30 min
- 11Classes and OOP35 min
- 12Inheritance and Composition30 min
- 13Exception Handling30 min
- 14Iterators and Generators30 min
- 15Decorators30 min
- 16Context Managers25 min
- 17Concurrency: Threads and Async40 min
- 18Testing with pytest35 min
- 19Packaging and Deployment35 min
