What are the best practices for using decorators in Python?

What are the best practices for using decorators in Python?

Some best practices include keeping decorators simple, using them for cross-cutting concerns, and ensuring they are reusable.

Can you give an example of a simple decorator?

Sure! Here's a simple logging decorator:

def log(func):
    def wrapper(*args, **kwargs):
        print(f'Calling {func.__name__}')
        return func(*args, **kwargs)
    return wrapper

How do I apply this decorator to a function?

You can apply it by using the @log syntax above the function definition:

@log
def my_function():
    print('Function executed')

What should I avoid when creating decorators?

Avoid using decorators that modify the function signature or behavior in unexpected ways, and ensure they are well-documented.