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  1. from contextlib import contextmanager
  2.  
  3. @contextmanager
  4. def context():
  5.     print 'open'
  6.     yield
  7.     print 'close'
  8.  
  9. def generator():
  10.     with context():
  11.         for x in xrange(10):
  12.             print 'yielding', x
  13.             yield x
  14.  
  15. def f():
  16.     for x in generator():
  17.         if x == 5: 
  18.             return
  19.  
  20. f()
  21.  
Success #stdin #stdout 0.01s 7736KB
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stdin
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Standard input is empty
stdout
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open
yielding 0
yielding 1
yielding 2
yielding 3
yielding 4
yielding 5
https://ideone.com/NksXjN
language:
Python (cpython 2.7.16)
created:
10 years ago
visibility:
public

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