[Patches] [ python-Patches-1445739 ] New with semantics

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Patches item #1445739, was opened at 2006-03-08 10:50
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Category: Core (C code)
Group: Python 2.5
Status: Open
Resolution: None
Priority: 5
Submitted By: Guido van Rossum (gvanrossum)
Assigned to: Guido van Rossum (gvanrossum)
Summary: New with semantics

Initial Comment:
Here's a patch that implements the new with statement
semantics: if __exit__ got passed an exception, it is
only swallowed when __exit__ returns *true*.  So it is
no longer necessary for __exit__ handlers to re-raise
the exception.

This is a bit rough still -- existing unit tests have
been adjusted, but there should be additional unit
tests for the new functionality.  Also the re-raise
code in various __exit__ handlers coded in the previous
patch could be removed (note that re-raising doesn't do
any harm -- it's just not necessary).

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