bpo-29692: contextlib.contextmanager may incorrectly unchain RuntimeError#949
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@svelankar, thanks for your PR! By analyzing the history of the files in this pull request, we identified @ncoghlan, @berkerpeksag and @Yhg1s to be potential reviewers. |
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Add some argument to the raised RuntimeError for checking that the correct RuntimeError is caught.
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Check that this is a RuntimeError raised by test_issue29692, not some other RuntimeError. Check it's __cause__ (it should be ZeroDivisionError, right?).
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What if raise StopIteration? I think this case should be tested too.
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Please add an entry in |
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Implemented all changes, please review, thanks. |
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Since from __future__ import generator_stop no longer used, the trick with exec() no longer needed.
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Add periods after sentence ends.
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@serhiy-storchaka , thanks for the review. |
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@ncoghlan could you please review the changes? Thanks |
ncoghlan
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Latest version looks good to me.
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Thanks for the fix, @svelankar! |
…ntimeError (pythonGH-949) contextlib._GeneratorContextManager.__exit__ includes a special case to deal with PEP 479 RuntimeErrors created when `StopIteration` is thrown into the context manager body. Previously this check was too permissive, and undid one level of chaining on *all* RuntimeError instances, not just those that wrapped a StopIteration instance. (cherry picked from commit 00c75e9)
…ntimeError (GH-949) (#1105) contextlib._GeneratorContextManager.__exit__ includes a special case to deal with PEP 479 RuntimeErrors created when `StopIteration` is thrown into the context manager body. Previously this check was too permissive, and undid one level of chaining on *all* RuntimeError instances, not just those that wrapped a StopIteration instance. (cherry picked from commit 00c75e9)
…ntimeError (pythonGH-949) contextlib._GeneratorContextManager.__exit__ includes a special case to deal with PEP 479 RuntimeErrors created when `StopIteration` is thrown into the context manager body. Previously this check was too permissive, and undid one level of chaining on *all* RuntimeError instances, not just those that wrapped a StopIteration instance. (cherry picked from commit 00c75e9)
…ntimeError (GH-949) (#1107) contextlib._GeneratorContextManager.__exit__ includes a special case to deal with PEP 479 RuntimeErrors created when `StopIteration` is thrown into the context manager body. Previously this check was too permissive, and undid one level of chaining on *all* RuntimeError instances, not just those that wrapped a StopIteration instance. (cherry picked from commit 00c75e9)
@ncoghlan @serhiy-storchaka @JelleZijlstra @brettcannon
I had to close PR 891 and open a new PR due to an incorrect rebase on my part.
All review comments made in PR 891 have been implemented and a test case added, please review, thanks.