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https://issues.apache.org/jira/browse/LUCENE-9235?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17041471#comment-17041471
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ASF subversion and git services commented on LUCENE-9235:
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Commit 9302eee1e0913933b12f69dba0c714b7f8a90904 in lucene-solr's branch
refs/heads/master from Robert Muir
[ https://gitbox.apache.org/repos/asf?p=lucene-solr.git;h=9302eee ]
LUCENE-9235: upgrade all python to python3
Die, python2, die.
Some generated .java files change (parameterized automata for
spell-correction).
This is because the order of python dictionaries was not well-defined
previously. A sort() was added so that the python code now generates
reproducible output (Thanks @mikemccand).
So we'll suffer a change once, but the automata are equivalent. If you
run the script again you should not see source code changes.
The relevant unit tests are exhaustive (if you trust the paper!), so we can
be confident it does not break things, even though it looks very scary.
> upgrade all python to python3
> -----------------------------
>
> Key: LUCENE-9235
> URL: https://issues.apache.org/jira/browse/LUCENE-9235
> Project: Lucene - Core
> Issue Type: Improvement
> Reporter: Robert Muir
> Priority: Major
> Attachments: LUCENE-9235.patch, LUCENE-9235.patch
>
>
> Lets just kill the python2 and simplify the build. Since its only being used
> for regenerating sources, ideally its easy to validate.
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