Thank you very much for your input, I've filled in the bug report: https://github.com/python/cpython/issues/98740
Best regards, Piotr On Wed, Oct 26, 2022 at 6:55 PM Serhiy Storchaka <storch...@gmail.com> wrote: > 26.10.22 11:17, Piotr Waszkiewicz пише: > > Hi, > > I would like to ask your guidance as I'm entirely sure whether the > problem I'm experiencing should be posted in CPython's repo as a bug issue. > > I've tried using newly released Python 3.11 interpreter in some of my > projects and one of them failed to start with "RuntimeError: invalid SRE > code" error. > > > > Looking into implementation of one of the dependencies I've found out > that the issue has been found out by a maintainer and fixed ( > https://github.com/pydicom/pydicom/issues/1658). > > It looks like this particular regexp caused the `re.compile()` method to > raise: > > > > ``` > > re.compile( > > r"(?P<h>^([01][0-9]|2[0-3]))" > > r"((?P<m>([0-5][0-9]))?" > > r"(?(5)(?P<s>([0-5][0-9]|60))?)" > > r"(?(7)(\.(?P<ms>([0-9]{1,6})?))?))$" > > ) > > ``` > > > > I've checked and this hasn't been an issue in all previous Python > interpreter versions, starting from 3.6 (the oldest I've checked). > > What's more the regex i correctly recognized and does not cause any > issues in other regexp implementations, e.g. the online tool > https://regex101.com/ > > > > Could somebody help me decide whether this is indeed a bug? > > Yes, it is a bug, and I have found its cause. Please open an issue on > the CPython bug tracker. > > > > _______________________________________________ > Python-Dev mailing list -- python-dev@python.org > To unsubscribe send an email to python-dev-le...@python.org > https://mail.python.org/mailman3/lists/python-dev.python.org/ > Message archived at > https://mail.python.org/archives/list/python-dev@python.org/message/GQP6P2CLVX4EOND73JYOXWNCIA3HIERW/ > Code of Conduct: http://python.org/psf/codeofconduct/ >
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