Breaking News: Grepper is joining You.com. Read the official announcement!

examples of function decorators in Python

Add Answer

Vast Vulture answered on December 29, 2020 Popularity 10/10 Helpfulness 2/10

answer examples of function decorators in Python

related decorators in python

related examples of function decorators in Python

related Decorators in python

related decorators in python

related when to use decorators in python

examples of function decorators in Python

Comment

from functools import wraps

def logit(func):
    @wraps(func)
    def with_logging(*args, **kwargs):
        print(func.__name__ + " was called")
        return func(*args, **kwargs)
    return with_logging

@logit
def addition_func(x):
   """Do some math."""
   return x + x


result = addition_func(4)
# Output: addition_func was called

Popularity 10/10 Helpfulness 2/10 Language python

Source: book.pythontips.com

Tags: function python

Link to this answer
Share Copy Link

Contributed on Dec 29 2020

Vast Vulture

0 Answers Avg Quality 2/10

Closely Related Answers

decorators in python

Comment

def deco(function):
    def wrap(num):
        if num % 2 == 0:
            print(num,"is even ")
        else:
            print(num,"is odd")
        function(num)
    return wrap
    
@deco
def display(num):
    return num
display(9)   # pass any number to check whether number is even or odd

Popularity 10/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: python py

Link to this answer
Share Copy Link

Contributed on Jun 25 2021

King Generous

0 Answers Avg Quality 2/10

decorators in python

Comment

# this functon converts any string into uppercase
def deco(function):
    def wrap(s):
        return s.upper()
        function(s)
    return wrap

@deco
def display(s):
    return s 
print(display("not bad"))

Popularity 10/10 Helpfulness 3/10 Language python

Source: Grepper

Tags: python py

Link to this answer
Share Copy Link

Contributed on Jun 25 2021

King Generous

0 Answers Avg Quality 2/10

examples of function decorators in Python

Comment

from functools import wraps

def logit(logfile='out.log'):
    def logging_decorator(func):
        @wraps(func)
        def wrapped_function(*args, **kwargs):
            log_string = func.__name__ + " was called"
            print(log_string)
            # Open the logfile and append
            with open(logfile, 'a') as opened_file:
                # Now we log to the specified logfile
                opened_file.write(log_string + '\n')
            return func(*args, **kwargs)
        return wrapped_function
    return logging_decorator

@logit()
def myfunc1():
    pass

myfunc1()
# Output: myfunc1 was called
# A file called out.log now exists, with the above string

@logit(logfile='func2.log')
def myfunc2():
    pass

myfunc2()
# Output: myfunc2 was called
# A file called func2.log now exists, with the above string

Popularity 9/10 Helpfulness 2/10 Language python

Source: book.pythontips.com

Tags: function functio

Link to this answer
Share Copy Link

Contributed on Dec 29 2020

Vast Vulture

0 Answers Avg Quality 2/10

Decorators in python

Comment

# decorator function to convert to lowercase
def lowercase_decorator(function):
   def wrapper():
       func = function()
       string_lowercase = func.lower()
       return string_lowercase
   return wrapper
# decorator function to split words
def splitter_decorator(function):
   def wrapper():
       func = function()
       string_split = func.split()
       return string_split
   return wrapper
@splitter_decorator # this is executed next
@lowercase_decorator # this is executed first
def hello():
   return 'Hello World'
hello()   # output => [ 'hello' , 'world' ]

Popularity 10/10 Helpfulness 2/10 Language python

Source: www.interviewbit.com

Tags: python py

Link to this answer
Share Copy Link

Contributed on May 30 2022

Rakesh Meher

0 Answers Avg Quality 2/10

Decorators in python

Comment

# decorator function to convert to lowercase
def lowercase_decorator(function):
   def wrapper():
       func = function()
       string_lowercase = func.lower()
       return string_lowercase
   return wrapper
# decorator function to split words
def splitter_decorator(function):
   def wrapper():
       func = function()
       string_split = func.split()
       return string_split
   return wrapper
@splitter_decorator # this is executed next
@lowercase_decorator # this is executed first
def hello():
   return 'Hello World'
hello()   # output => [ 'hello' , 'world' ]

Popularity 10/10 Helpfulness 2/10 Language python

Source: www.interviewbit.com

Tags: python py

Link to this answer
Share Copy Link

Contributed on May 30 2022

Rakesh Meher

0 Answers Avg Quality 2/10

decorators in python

Comment

# Python program to illustrate functions
# Functions can return another function
 
def create_adder(x):
    def adder(y):
        return x+y
 
    return adder
 
add_15 = create_adder(15)
 
print(add_15(10))

Popularity 9/10 Helpfulness 1/10 Language python

Source: www.geeksforgeeks.org

Tags: python py

Link to this answer
Share Copy Link

Contributed on Oct 03 2023

Joyous Jaguar

0 Answers Avg Quality 2/10

when to use decorators in python

Comment

#using decorators to add or modify class methods
class MyClass:
    def __init__(self):
        self._x = None

    @property
    def x(self):
        """I'm the 'x' property."""
        return self._x

    @x.setter
    def x(self, value):
        self._x = value

    @x.deleter
    def x(self):
        del self._x

Popularity 1/10 Helpfulness 1/10 Language python

Source: www.adaface.com

Tags: python when

Link to this answer
Share Copy Link

Contributed on Jan 20 2023

Nithish Soorya

0 Answers Avg Quality 2/10

examples of function decorators in Python

Contents

More Related Answers

examples of function decorators in Python

Closely Related Answers

decorators in python

decorators in python

examples of function decorators in Python

Decorators in python

Decorators in python

decorators in python

when to use decorators in python

Grepper

Documentation

Social

Legal

Contact

Oops, You will need to install Grepper and log-in to perform this action.