Bug 1897148 - m2crypto fails to build with Python 3.10: PyObject_AsReadBuffer() is removed
Summary: m2crypto fails to build with Python 3.10: PyObject_AsReadBuffer() is removed
Keywords:
Status: NEW
Alias: None
Product: Fedora
Classification: Fedora
Component: m2crypto
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Neal Gompa
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On:
Blocks: PYTHON3.10
TreeView+ depends on / blocked
 
Reported: 2020-11-12 12:45 UTC by Tomáš Hrnčiar
Modified: 2021-02-09 16:23 UTC (History)
5 users (show)

Fixed In Version:
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Type: Bug


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Description Tomáš Hrnčiar 2020-11-12 12:45:36 UTC
m2crypto fails to build with Python 3.10.0a2.

ImportError: /builddir/build/BUILD/M2Crypto-0.35.2/M2Crypto/_m2crypto.cpython-310-x86_64-linux-gnu.so: undefined symbol: PyObject_AsReadBuffer

bpo-41103: PyObject_AsCharBuffer(), PyObject_AsReadBuffer(), PyObject_CheckReadBuffer(), and PyObject_AsWriteBuffer() are removed. Please migrate to new buffer protocol; PyObject_GetBuffer() and PyBuffer_Release().

https://docs.python.org/3.10/whatsnew/changelog.html#id16

For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.10/fedora-rawhide-x86_64/01757146-m2crypto/

For all our attempts to build m2crypto with Python 3.10, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.10/package/m2crypto/

Testing and mass rebuild of packages is happening in copr. You can follow these instructions to test locally in mock if your package builds with Python 3.10:
https://copr.fedorainfracloud.org/coprs/g/python/python3.10/

Let us know here if you have any questions.

Python 3.10 will be included in Fedora 35. To make that update smoother, we're building Fedora packages with early pre-releases of Python 3.10.
A build failure prevents us from testing all dependent packages (transitive [Build]Requires), so if this package is required a lot, it's important for us to get it fixed soon.
We'd appreciate help from the people who know this package best, but if you don't want to work on this now, let us know so we can try to work around it on our side.

Comment 2 Ben Cotton 2021-02-09 15:23:49 UTC
This bug appears to have been reported against 'rawhide' during the Fedora 34 development cycle.
Changing version to 34.


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