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Mon May 16 07:59:41 CEST 2005 · https://mail.python.org/pipermail/python-dev/2005-May/053796.html

Steven Bethard wrote:

> If I've misunderstood, and there are other situations when
> "needs_finish" is required, it'd be nice to see some more examples.

The other cases are where you want to do something in response to an
exception, but not otherwise::

    def gen():
        try:
            yield
        except:
            print 'Got exception:', sys.exc_info()
            raise

Personally, I think they're rare enough that you could use a decorator
in those cases, but still have::

    def gen():
        try:
            yield
        finally:
            pass

automatically make the generator conform to the do/with protocol.

Tim Delaney

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