Python Decorators, What are they?

Python decorators are a powerful and elegant feature that allows developers to modify or extend the behaviour of functions or methods. In this blog post, we’ll explore the concept of decorators and delve into a real-world use case to illustrate their application.

Understanding Python Decorators:

In Python, decorators are functions that wrap around other functions, enhancing or modifying their behaviour. They provide a clean and concise way to implement cross-cutting concerns such as logging, authentication, and performance monitoring.

Decorator Examples and Use cases:

Let’s start with a simple example of a decorator:

def my_decorator(func):
    def wrapper():
        print("Hey this is decorator starting point")
        func()
        print("Hey this is decorator ending point")
    return wrapper

@my_decorator
def say_hello():
    print("Hello!")
say_hello()

---------Output----------

Hey this is decorator starting point
Hello!
Hey this is decorator ending point

In this example, my_decorator is a function that takes another function (func) as its parameter and returns a new function (wrapper). The wrapper the function adds some behaviour before and after calling the original function. The @my_decorator syntax is a…