Created
April 29, 2013 06:42
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Script to show how to make a generic decorator which will take all the arguments passed to the decorated function
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# To make a generic decorator use *args and **kwargs | |
def a_decorator_passing_arbitrary_arguments(function_to_decorate): | |
# The wrapper accepts any arguments | |
def a_wrapper_accepting_arbitrary_arguments(*args, **kwargs): | |
print 'Do I have args?' | |
print args | |
print kwargs | |
function_to_decorate(*args, **kwargs) | |
return a_wrapper_accepting_arbitrary_arguments | |
@a_decorator_passing_arbitrary_arguments | |
def function_with_no_arguments(): | |
print 'Python is cool, no arguments here' | |
function_with_no_arguments() | |
@a_decorator_passing_arbitrary_arguments | |
def function_with_arguments(a, b, c): | |
print a, b, c | |
function_with_arguments('Harry', 'Ron', 'Hermione') | |
@a_decorator_passing_arbitrary_arguments | |
def function_with_named_arguments(a, b, c, want = 'Invisibilty Cloak'): | |
print '%s, %s and %s want the %s' %(a, b, c, want) | |
function_with_named_arguments('Harry', 'Ron', 'Hermione', want = 'Elder Wand') | |
class Ginny(object): | |
def __init__(self): | |
self.age = 31 | |
@a_decorator_passing_arbitrary_arguments | |
def say_your_age(self, lie): | |
print 'I am %s years old' %(self.age - lie) | |
g = Ginny() | |
g.say_your_age(10) |
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