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fix compatibility with Python 3.9 #1137

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merged 1 commit into from
Oct 12, 2020
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ondrejbudai
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getchildren() method was removed from the ElementTree and Element classes in Python 3.9. This PR uses built-in iter() and list() methods instead of the removed one. This fix was suggested in the Python 3.9 release notes:

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

I verified this fix on Fedora 33 with Python 3.9.0rc2 by:

s3cmd --acl-public sync . s3://...

S3/Exceptions.py Outdated Show resolved Hide resolved
@fviard
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fviard commented Oct 11, 2020

Hi,
Thank you very much for your contribution.
I did not notice this change in python 3.9 and so this PR is very valuable.
If it is possible for you to fix your PR with the change that I suggested in my previous comment, it would be great and then I would be able to merge it.

@ondrejbudai
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I force-pushed a fix - I incorporated your suggestion and I also used len(child) > 0 instead of list(child) - I think that is more readable.

@fviard
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fviard commented Oct 12, 2020

Thank you for you read reactivity!
Good idea the 'if len(child) > 0' but can you just use 'if len(child)' instead please?
It is explicit enough and otherwise pylint might complain.

getchildren() method was removed from the ElementTree and Element classes in
Python 3.9. See the release notes:

https://docs.python.org/3.9/whatsnew/3.9.html#removed
@ondrejbudai
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Sure thing, done!

@fviard fviard merged commit b409c1d into s3tools:master Oct 12, 2020
@fviard
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fviard commented Oct 12, 2020

Merged thanks!

ondrejbudai added a commit to ondrejbudai/osbuild-composer that referenced this pull request Oct 14, 2020
s3cmd from pip doesn't work with Python 3.9. Fortunately, s3cmd in Fedora has
a downstream patch to fix it.

See rhbz#1884607 and s3tools/s3cmd#1137
msehnout pushed a commit to osbuild/osbuild-composer that referenced this pull request Oct 14, 2020
s3cmd from pip doesn't work with Python 3.9. Fortunately, s3cmd in Fedora has
a downstream patch to fix it.

See rhbz#1884607 and s3tools/s3cmd#1137
@ThiefMaster
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Could this please be released as 2.1.1?

gicmo added a commit to gicmo/osbuild that referenced this pull request Oct 22, 2020
s3cmd does not work properly with python 3.9 (used on Fedora 33):
  Problem: <class 'AttributeError: 'xml.etree.ElementTree.Element'
            object has no attribute 'getchildren'
  S3cmd:   2.1.0
  python:  3.9.0rc1 (default, Aug 12 2020, 00:00:00)

Use the one from the official repositories, which in case of F33
has a downstream fix for the error.

See rhbz#1884607 and s3tools/s3cmd#1137

Patch based on osbuild-composer commit 1a69a891 by Ondřej Budai.
larskarlitski pushed a commit to osbuild/osbuild that referenced this pull request Oct 22, 2020
s3cmd does not work properly with python 3.9 (used on Fedora 33):
  Problem: <class 'AttributeError: 'xml.etree.ElementTree.Element'
            object has no attribute 'getchildren'
  S3cmd:   2.1.0
  python:  3.9.0rc1 (default, Aug 12 2020, 00:00:00)

Use the one from the official repositories, which in case of F33
has a downstream fix for the error.

See rhbz#1884607 and s3tools/s3cmd#1137

Patch based on osbuild-composer commit 1a69a891 by Ondřej Budai.
@tirkarthi tirkarthi mentioned this pull request Oct 27, 2020
jbojar referenced this pull request in Homebrew/homebrew-core Oct 30, 2020
Closes #63174.

Signed-off-by: Sean Molenaar <1484494+SMillerDev@users.noreply.github.com>
Signed-off-by: BrewTestBot <1589480+BrewTestBot@users.noreply.github.com>
@KeithCu
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KeithCu commented Apr 15, 2021

I'm running into this problem with every non-empty bucket in Linode. Can a new release be made soon?

@leematos
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leematos commented Jul 4, 2021

@KeithCu -- I had the same today which led me to pull master.zip, and if usr/bin/env python (symlink to python3) is available on the system, it can work.

I agree though, A new release will be easier for more folks.

algitbot pushed a commit to alpinelinux/aports that referenced this pull request Sep 6, 2021
The added patch is already merged upstream:
s3tools/s3cmd#1137
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5 participants