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yuuichi-fujioka/with_example.py

Created February 25, 2014 06:49
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with example
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with_example.py
class Foo():
def __enter__(self):
print 'begin transaction'
return self
def __exit__(self, type, value, traceback):
if value:
print 'An error has occured in this transaction'
else:
print 'This transaction is success"
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