Python Decorator Example

decorators_example.py

#! usr/bin/python3.6
# coding: utf-8
import time
from functools import wraps


def my_logger(func):
    import logging
    logging.basicConfig(filename='{}.log'.format(str(func.__name__)), level=logging.DEBUG)

    @wraps(func)
    def wrapper(*args, **kwargs):
        logging.debug('Ran {} with args {} and kwargs {}.'.format((str(func.__name__)), args, kwargs))
        return func(*args, **kwargs)

    return wrapper


def my_timer(func):
    @wraps(func)
    def wrapper(*args, **kwargs):
        t1 = time.time()
        result = func(*args, **kwargs)
        t2 = time.time() - t1
        print('{} ran in {} seconds.'.format(str(func.__name__), str(t2)))
        return result

    return wrapper


@my_logger
def display_func(name, age, number):
    time.sleep(0.15)
    print('Executing the display function...')


@my_timer
def display_timer():
    time.sleep(0.558)
    print('Executing display timer function...')


if __name__ == '__main__':
    display_func('James', 55, '555-1212')
    display_timer()