Groups > comp.lang.python > #19658

RE: contextlib.contextmanager and try/finally

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From	"Prasad, Ramit" <ramit.prasad@jpmorgan.com>
To	"python-list@python.org" <python-list@python.org>
Subject	RE: contextlib.contextmanager and try/finally
Thread-Topic	contextlib.contextmanager and try/finally
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Date	Tue, 31 Jan 2012 21:07:02 +0000
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>Like Neil mentioned, a contextmanager generator is wrapped with an
>__exit__ method that is guaranteed to be called and that explicitly
>resumes or closes the generator.  So as long as your contextmanager
>generator is properly written (i.e. it yields exactly once), the
>finally block will execute in a timely fashion.

Is that true even in the face of something like sys.exit()?
What happens if 1) sys.exit is called while in the same thread
2) sys.exit is called from another thread but while this thread
is in context manager?

Ramit

Ramit Prasad | JPMorgan Chase Investment Bank | Currencies Technology
712 Main Street | Houston, TX 77002
work phone: 713 - 216 - 5423

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Thread

contextlib.contextmanager and try/finally johannh@gmail.com - 2012-01-11 07:45 -0800
  Re: contextlib.contextmanager and try/finally Neil Cerutti <neilc@norwich.edu> - 2012-01-11 16:46 +0000
  Re: contextlib.contextmanager and try/finally Robert Kern <robert.kern@gmail.com> - 2012-01-11 17:14 +0000
  Re: contextlib.contextmanager and try/finally Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-11 10:20 -0700
    Re: contextlib.contextmanager and try/finally johannh@gmail.com - 2012-01-11 09:30 -0800
    Re: contextlib.contextmanager and try/finally johannh@gmail.com - 2012-01-11 09:30 -0800
  RE: contextlib.contextmanager and try/finally "Prasad, Ramit" <ramit.prasad@jpmorgan.com> - 2012-01-31 21:07 +0000
  RE: contextlib.contextmanager and try/finally Peter Otten <__peter__@web.de> - 2012-01-31 23:02 +0100
  Re: contextlib.contextmanager and try/finally Ian Kelly <ian.g.kelly@gmail.com> - 2012-01-31 15:09 -0700
    Re: contextlib.contextmanager and try/finally Steven D'Aprano <steve+comp.lang.python@pearwood.info> - 2012-02-01 02:15 +0000

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