[Fedora-i18n-bugs] [Bug 1817653] New: fonts-tweak-tool fails to build with Python 3.9: No module named 'xml.etree.cElementTree'

https://bugzilla.redhat.com/show_bug.cgi?id=1817653

            Bug ID: 1817653
           Summary: fonts-tweak-tool fails to build with Python 3.9: No
                    module named 'xml.etree.cElementTree'
           Product: Fedora
           Version: rawhide
            Status: NEW
         Component: fonts-tweak-tool
          Assignee: tagoh(a)redhat.com
          Reporter: mhroncok(a)redhat.com
        QA Contact: extras-qa(a)fedoraproject.org
                CC: cstratak(a)redhat.com,
                    i18n-bugs(a)lists.fedoraproject.org, kent.neo(a)gmail.com,
                    mhroncok(a)redhat.com, mplch(a)redhat.com,
                    petersen(a)redhat.com, pwu(a)redhat.com, tagoh(a)redhat.com
        Depends On: 1817649
            Blocks: 1785415 (PYTHON39)
  Target Milestone: ---
    Classification: Fedora



fonts-tweak-tool fails to build with Python 3.9.0a5.

Traceback (most recent call last):
  File "/usr/bin/g-ir-scanner", line 103, in <module>
    from giscanner.scannermain import scanner_main
  File "/usr/lib64/gobject-introspection/giscanner/scannermain.py", line 36, in
<module>
    from giscanner.dumper import compile_introspection_binary
  File "/usr/lib64/gobject-introspection/giscanner/dumper.py", line 28, in
<module>
    from .gdumpparser import IntrospectionBinary
  File "/usr/lib64/gobject-introspection/giscanner/gdumpparser.py", line 25, in
<module>
    from xml.etree.cElementTree import parse
ModuleNotFoundError: No module named 'xml.etree.cElementTree'

This is directly caused by bz1817649.


For the build logs, see:
https://copr-be.cloud.fedoraproject.org/results/@python/python3.9/fedora-...

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

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.


Referenced Bugs:

https://bugzilla.redhat.com/show_bug.cgi?id=1785415
[Bug 1785415] Python 3.9
https://bugzilla.redhat.com/show_bug.cgi?id=1817649
[Bug 1817649] gobject-introspection/giscanner/gdumpparser.py:
ModuleNotFoundError: No module named 'xml.etree.cElementTree'
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