Bug 1818595 - python-fiona fails to build with Python 3.9: No module named 'xml.etree.cElementTree' in botocore
Summary: python-fiona fails to build with Python 3.9: No module named 'xml.etree.cElem...
Keywords:
Status: CLOSED NOTABUG
Alias: None
Product: Fedora
Classification: Fedora
Component: python-fiona
Version: rawhide
Hardware: Unspecified
OS: Unspecified
unspecified
unspecified
Target Milestone: ---
Assignee: Elliott Sales de Andrade
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard:
Depends On: 1818594
Blocks: PYTHON39
TreeView+ depends on / blocked
 
Reported: 2020-03-29 14:39 UTC by Miro Hrončok
Modified: 2020-04-21 13:43 UTC (History)
5 users (show)

Fixed In Version:
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Last Closed: 2020-04-21 13:43:46 UTC
Type: Bug
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Description Miro Hrončok 2020-03-29 14:39:16 UTC
python-fiona fails to build with Python 3.9.0a5:

______________________ ERROR collecting tests/test_vfs.py ______________________
ImportError while importing test module '/builddir/build/BUILD/Fiona-1.8.13/tests/test_vfs.py'.
Hint: make sure your test modules/packages have valid Python names.
Traceback:
tests/test_vfs.py:6: in <module>
    import boto3
/usr/lib/python3.9/site-packages/boto3/__init__.py:16: in <module>
    from boto3.session import Session
/usr/lib/python3.9/site-packages/boto3/session.py:17: in <module>
    import botocore.session
/usr/lib/python3.9/site-packages/botocore/session.py:28: in <module>
    import botocore.configloader
/usr/lib/python3.9/site-packages/botocore/configloader.py:19: in <module>
    from botocore.compat import six
/usr/lib/python3.9/site-packages/botocore/compat.py:149: in <module>
    import xml.etree.cElementTree
E   ModuleNotFoundError: No module named 'xml.etree.cElementTree'
For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.9/fedora-rawhide-x86_64/01322482-python-fiona/


See https://docs.python.org/3.9/whatsnew/3.9.html#removed

"The xml.etree.cElementTree module has been removed, use the xml.etree.ElementTree module instead. Since Python 3.3 the xml.etree.cElementTree module has been deprecated, the xml.etree.ElementTree module uses a fast implementation whenever available."

This is caused by bz1818594.



For all our attempts to build python-fiona with Python 3.9, see:
https://copr.fedorainfracloud.org/coprs/g/python/python3.9/package/python-fiona/

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 3.9:
https://copr.fedorainfracloud.org/coprs/g/python/python3.9/

Let us know here if you have any questions.

Python 3.9 will be included in Fedora 33. To make that update smoother, we're building Fedora packages with early pre-releases of Python 3.9.
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.


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