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python-patterns/decorator.py at master · rootlessweed/python-patterns · GitHub

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'''https://docs.python.org/2/library/functools.html#functools.wraps'''

'''https://stackoverflow.com/questions/739654/how-can-i-make-a-chain-of-function-decorators-in-python/739665#739665'''

from functools import wraps

def makebold(fn):

@wraps(fn)

def wrapped():

return "<b>" + fn() + "</b>"

return wrapped

def makeitalic(fn):

@wraps(fn)

def wrapped():

return "<i>" + fn() + "</i>"

return wrapped

@makebold

@makeitalic

def hello():

'''a decorated hello world'''

return "hello world"

if __name__ == '__main__':

print('result:{} name:{} doc:{}'.format(hello(), hello.__name__, hello.__doc__))

### OUTPUT ###

# result:<b><i>hello world</i></b> name:hello doc:a decorated hello world

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