If I remember correctly, cython-generated C code calls those macros at
appropriate places, so there are probably a bunch of projects that are
using them and the developers have no idea.

On Thu, Feb 18, 2021, 04:16 STINNER Victor <report@bugs.python.org> wrote:

>
> STINNER Victor <vstinner@python.org> added the comment:
>
> Using INADA-san recipe
> https://github.com/methane/notes/tree/master/2020/wchar-cache I found the
> 62 projects on the PyPI top 4000 which contain "PyFPE" pattern:
>
> asyncpg-0.22.0.tar.gz
> auditwheel-3.3.1.tar.gz
> av-8.0.3.tar.gz
> bcolz-1.2.1.tar.gz
> BDQuaternions-0.2.15.tar.gz
> bx-python-0.8.9.tar.gz
> ConfigSpace-0.4.18.tar.gz
> Cython-0.29.21.tar.gz
> cytoolz-0.11.0.tar.gz
> ddtrace-0.46.0.tar.gz
> dedupe-hcluster-0.3.8.tar.gz
> dependency-injector-4.23.5.tar.gz
> fastavro-1.3.2.tar.gz
> fastdtw-0.3.4.tar.gz
> Fiona-1.8.18.tar.gz
> fuzzysearch-0.7.3.tar.gz
> fuzzyset-0.0.19.tar.gz
> gensim-3.8.3.tar.gz
> grpcio-1.35.0.tar.gz
> gssapi-1.6.12.tar.gz
> hdbscan-0.8.27.tar.gz
> hmmlearn-0.2.5.tar.gz
> imagecodecs-2021.1.28.tar.gz
> implicit-0.4.4.tar.gz
> lightfm-1.16.tar.gz
> lupa-1.9.tar.gz
> lxml-4.6.2.tar.gz
> mujoco-py-2.0.2.13.tar.gz
> neobolt-1.7.17.tar.gz
> orderedset-2.0.3.tar.gz
> peewee-3.14.1.tar.gz
> Pillow-8.1.0.tar.gz
> Pillow-SIMD-7.0.0.post3.tar.gz
> pmdarima-1.8.0.tar.gz
> pomegranate-0.14.2.tar.gz
> pycapnp-1.0.0.tar.gz
> pydevd-2.2.0.tar.gz
> pygame-2.0.1.tar.gz
> pyhacrf-datamade-0.2.5.tar.gz
> pyjq-2.5.1.tar.gz
> pysam-0.16.0.1.tar.gz
> pystan-2.19.1.1.tar.gz
> PyWavelets-1.1.1.tar.gz
> rasterio-1.2.0.tar.gz
> ruptures-1.1.3.tar.gz
> s2sphere-0.2.5.tar.gz
> scikit-image-0.18.1.tar.gz
> scipy-1.6.1.tar.gz
> Shapely-1.7.1.tar.gz
> simplejson-3.17.2.tar.gz
> spacy-3.0.3.tar.gz
> statsmodels-0.12.2.tar.gz
> tables-3.6.1.tar.gz
> Theano-1.0.5.tar.gz
> thinc-8.0.1.tar.gz
> tinycss-0.4.tar.gz
> tslearn-0.5.0.5.tar.gz
> uvloop-0.15.1.tar.gz
> weighted_levenshtein-0.2.1.tar.gz
> wordcloud-1.8.1.tar.gz
> wsaccel-0.6.3.tar.gz
> wxPython-4.1.1.tar.gz
>
>
> Example with asyncpg:
>
> $ rg PyFPE
> asyncpg/pgproto/pgproto.c
> 39841:            PyFPE_START_PROTECT("add", return NULL)
> 39843:            PyFPE_END_PROTECT(result)
>
> asyncpg/protocol/protocol.c
> 85260:            PyFPE_START_PROTECT("add", return NULL)
> 85262:            PyFPE_END_PROTECT(result)
> 85563:            PyFPE_START_PROTECT("subtract", return NULL)
> 85565:            PyFPE_END_PROTECT(result)
> 85734:            PyFPE_START_PROTECT("add", return NULL)
> 85736:            PyFPE_END_PROTECT(result)
>
>
> So it doesn't sound like a good idea to immediately remove these two
> macros.
>
> ----------
>
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> <https://bugs.python.org/issue43250>
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