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Make sure all warnings in pytest get turned into errors - #2838
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| # make warnings into errors but ignore certain third-party extension issues | ||
| error | ||
| # somehow, some DeprecationWarnings do not get turned into errors | ||
| always::DeprecationWarning |
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Why, oh why, does python try so hard to hide deprecation warnings?!
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I have absolutely no clue. It gets funnier, btw: I added warnings.warn("abc", DeprecationWarning) in a test and that did get turned into an error!
But I didn't feel like wasting even more time, and digging further than https://github.com/python/cpython/blob/3c8d6934436e20163be802f5239c5b4e4925eeec/Objects/longobject.c#L226
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FYI, FutureWarning is (as clarified by PEP 565) the "user facing" deprecation warning.
YannickJadoul
commented
Jan 31, 2021
Because got changed into So the deprecation period ended, but ... our tests don't fail because we still fall back to |
| static SamePointer samePointer; | ||
| py::class_<SamePointer, std::unique_ptr<SamePointer, py::nodelete>>(m, "SamePointer") | ||
| .def(py::init([]() { return &samePointer; })) | ||
| .def("__del__", [](SamePointer&) { py::print("__del__ called"); }); |
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If this looks like a "sweep it under the carpet" kind of thing, you wouldn't be wrong. But we were never really using the fact that __del__ prints something anyway (possibly because it already didn't work on PyPy?).
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c68411bCompareYannickJadoul
commented
Feb 1, 2021
Just our own tests. This should be safe enough to merge :-) Thanks, @henryiii & @bstaletic! |
Description
Follow-up on #2837.
There's a weird thing going on where
filterwarnings=errorstarts ignoring theDeprecationWarningfrom https://github.com/python/cpython/blob/3c8d6934436e20163be802f5239c5b4e4925eeec/Objects/longobject.c#L226.I have no clue why. Apart from that, the
-Waflag seemed to take precedence, so no warning was actually an error.Suggested changelog entry:
None, just some tests.