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@oinopion
Last active December 2, 2016 08:08
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Use contextmanager to create a decorator
# Read docs here: https://docs.python.org/3/library/contextlib.html
>>> from contextlib import contextmanager
>>>
>>>
>>> @contextmanager
... def deco_and_cm():
... print('Hello')
... yield
... print('Goodbye')
...
>>>
>>> with deco_and_cm():
... print('Nice to meet you!')
...
Hello
Nice to meet you!
Goodbye
>>>
>>> @deco_and_cm()
... def fun(name):
... print('Nice to meet you, %s!' % name)
...
>>>
>>> fun('Tomek')
Hello
Nice to meet you, Tomek!
Goodbye
>>>
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