python decorator ex

python decorator ex

# Decorators

def my_logger(orig_func):
    import logging
    logging.basicConfig(filename='{}.log'.format(orig_func.__name__),level=logging.INFO)

    def wrapper(*args,**kwargs):
        logging.info(
            'Ran with args : {} , and kargs : {}'.format(args,kwargs)
        )
        return orig_func(*args,**kwargs)

    return wrapper

def my_timer(orig_func):
    import time

    def wrapper(*args,**wargs):
        t1 = time.time()
        result  = orig_func(*args,**wargs)
        t2 = time.time() -t1
        print '{} ran in {} sec'.format(orig_func.__name__,t2)
        return result
    return wrapper


def decorator_function(original_function):
    def wrapper_function(*args,**kwargs):
        print 'wrapper executed this before {}'.format(original_function.__name__)
        return original_function(*args,**kwargs)
    return wrapper_function

# class decorator_class(object):
#     def __init__(self,original_function):
#         self.original_function = original_function

#     def __call__(self,*args,**kwargs):
#         print 'call method this before {}'.format(self.original_function.__name__)
#         return self.original_function(*args,**kwargs)

# @decorator_function
# def display() :
#     print 'display function ran' 

import time
@my_timer
@my_logger
def display_info(name,age):
    time.sleep(1)
    print 'display_info ran with arguments {} {}'.format(name,age)

# decorator_display = decorator_function(display)

# decorator_display('hi')
# decorator_display('bye')
 
display_info('John',25)