esenthil2018

ofunc = orig_func
print(ofunc.__name__)
print(ofunc.__doc__)

esenthil2018

def decor_factory(flag=True):
  def decor_func(fn):
    def wrapper_func(*args,**kwargs):
      """
      This is the wrapper function
      """
      if flag:
        print('Flag is True')
      else:
        print('Flag is False')

esenthil2018

def decor_factory(flag=True):
  def decor_func(fn):
    from functools import wraps
    @wraps(fn)
    def wrapper_func(*args,**kwargs):
      """
      This is the wrapper function
      """
      if flag:
        print('Flag is True')

esenthil2018

def decor_factory(flag=True):
  def decor_func(fn):
    from functools import wraps
    @wraps(fn)
    def wrapper_func(*args,**kwargs):
      """
      This is the wrapper function
      """
      if flag:
        print('Flag is True')

esenthil2018

ofunc = orig_func
print(ofunc.__name__)
print(ofunc.__doc__)

esenthil2018

# This is the original function.

def orig_func(a,b,c):
    """
    This is the original function
    returns the product of a,b,c
    """
    return (print('This is the product:',a*b*c))

esenthil2018

def decor_func(fn):
  def wrapper_func(*args,**kwargs):

    """
    This is the wrapper function
    """
    print('Execute this code before the main function is executed')
    return fn(*args, **kwargs)
  return wrapper_func

esenthil2018

#Method:1
orig_func=decor_func(orig_func)

# or
#Method2

@decor_func
def orig_func(a,b,c):
    """
    returns the product of a,b,c

esenthil2018

help(orig_func)

esenthil2018

def decor_func(fn):
  def wrapper_func(*args,**kwargs):

    """
    This is the wrapper function
    """
    print('Execute this code before the main function is executed')
    return fn(*args, **kwargs)
#Assign the original function name and the docstring to the wrapper name and doctstring.    
  wrapper_func.__name__ = fn.__name__