IronLanguages / IronLanguages/ironpython3

contextmanager swallows StopIteration

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Dominant language
C#
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Forks
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Avg merge
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Merged PRs (30d)
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Description

Here's the repro:

from contextlib import contextmanager
@contextmanager
def woohoo():
    yield

try:
    with woohoo():
        raise StopIteration
    assert False
except StopIteration:
    pass

Contributor guide

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First steps

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  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by running the Python repro from the issue and comparing its behavior with CPython. Then trace IronPython's contextmanager exception handling and verify that the repro propagates StopIteration instead of completing normally.

Written by the indexing model from the issue text.

Assessment

Tech stack
csharp, python
Domain
compilers
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
35/100

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