[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: bpo-30473 has been marked as a duplicate of this bug. -- ___ Python tracker ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: Sorry for the regression, sadly, it wasn't catch before by any test. I added a lot of new tests, so we should cover more cases. Oh, and the bug has been fixed in 3.6 :-) -- resolution: -> fixed stage: needs patch -> resolved status: open -> closed

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: New changeset b7577456c430283f8b7ec4e914b701cb943cc69b by Victor Stinner in branch '3.6': bpo-30524: Write unit tests for FASTCALL (#2022) (#2030) https://github.com/python/cpython/commit/b7577456c430283f8b7ec4e914b701cb943cc69b --

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Changes by STINNER Victor : -- pull_requests: +2096 ___ Python tracker ___ ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: New changeset 3b5cf85edc188345668f987c824a2acb338a7816 by Victor Stinner in branch 'master': bpo-30524: Write unit tests for FASTCALL (#2022) https://github.com/python/cpython/commit/3b5cf85edc188345668f987c824a2acb338a7816 --

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: New changeset f0ff849adc6b4a01f9d1f08d9ad0f1511ff84541 by Victor Stinner in branch '3.6': bpo-30524: Fix _PyStack_UnpackDict() (#1886) https://github.com/python/cpython/commit/f0ff849adc6b4a01f9d1f08d9ad0f1511ff84541 --

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Changes by STINNER Victor : -- pull_requests: +2088 ___ Python tracker ___ ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Serhiy Storchaka added the comment: next(iter(datetime.now, None)) can be turned into a nice test. -- ___ Python tracker ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Changes by Raymond Hettinger : -- priority: normal -> high ___ Python tracker ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

STINNER Victor added the comment: Oh, it's my fault: it's a bug coming from FASTCALL optimizations. The strange thing is that the bug wasn't catched by the giant Python test suite :-( I knew that _PyStack_UnpackDict() has a bug in Python 3.6, but I completely forgot to fix it :-(

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Changes by STINNER Victor : -- pull_requests: +1962 ___ Python tracker ___ ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Serhiy Storchaka added the comment: It works in 3.5 and 3.7, but raises a StopIteration in 3.6. -- components: +Interpreter Core keywords: +3.6regression versions: -Python 3.7 ___ Python tracker

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Changes by Emanuel Barry : -- nosy: +haypo, serhiy.storchaka stage: -> needs patch type: -> behavior ___ Python tracker ___

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

Martijn Pieters added the comment: Forgot to addthis: this bug was found via https://stackoverflow.com/questions/44283540/iter-not-working-with-datetime-now -- ___ Python tracker

[issue30524] iter(classmethod, sentinel) broken for Argument Clinic class methods?

New submission from Martijn Pieters: I'm not sure where exactly the error lies, but issue 27128 broke iter() for Argument Clinic class methods. The following works in Python 3.5, but not in Python 3.6: from datetime import datetime from asyncio import Task next(iter(datetime.now, None))