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Handling errors in ctypes callbacks #129502
Description
If an error happens in the callback or in converting result of the callback, it is handled by calling PyErr_FormatUnraisable(). If an error happens in preparing arguments for the callback, it is handled in different way -- some message is printed to stderr and then PyErr_Print() is called. In one case the error is not properly handled.
It is better to handle all errors in the uniform way. PyErr_Print() is not suitable for it because it treats SystemExit specially and has a side effect of setting sys.last_exc` and other variables.
Activity
pythongh-129502: Fix handling errors in ctypes callbacks
gh-129502: Fix handling errors in ctypes callbacks (GH-129504)
pythongh-129502: Fix handling errors in ctypes callbacks (pythonGH-12…
[3.13] gh-129502: Fix handling errors in ctypes callbacks (GH-129504) (…
[3.12] pythongh-129502: Fix handling errors in ctypes callbacks (pyth…
[3.12] gh-129502: Fix handling errors in ctypes callbacks (GH-129504) (…
hugovk commentedon Feb 5, 2025
Triage: PR merged and backported. Please re-open if there's more to do.
pythongh-129502: Fix handling errors in ctypes callbacks (pythonGH-12…