fix: re-raise existing exception when available#667
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methane merged 2 commits intomsgpack:mainfrom Apr 21, 2026
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Would it be easy to add a test case for this issue? |
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Ah yeah good point, let me have a look :) |
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I added a test case, but I don't think it's possible to easily cover/simulate something that would happen like in #666. But the tests do flex the |
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What is this PR?
This PR addresses an issue I found while working on #666 and reported in the description there.
Looking at the usages of
unpack_callback_uint32(here for example, which calls into this) it seems like it checks for error values -2 and -3, but -1 will justraise ValueError("Unpack failed: error = %d" % (ret,)).It believe it should just
raiseto raise the existing exception set byPyErr_SetStringif it exists. This PR addresses that problem here and another place.