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bpo-34515: lib2to3: support non-ASCII identifiers #8950

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benjaminp merged 4 commits into from
Sep 15, 2018
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bpo-34515: lib2to3: support non-ASCII identifiers #8950

benjaminp merged 4 commits into from
Sep 15, 2018

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@holymonson
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@holymonson holymonson commented Aug 27, 2018 •
edited by bedevere-bot
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@holymonson holymonson mentioned this pull request Aug 27, 2018
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holymonson commented Aug 27, 2018

this will fix google/yapf#607

kamahen
kamahen reviewed Aug 27, 2018
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Lib/lib2to3/tests/test_parser.py Outdated
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@kamahen kamahen Aug 27, 2018

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Probably a good idea to add a CJK-specific test (or non-Latin-1), such as

蟒 = 3
錦蛇 = 1

See also
https://github.com/python/cpython/blob/master/Lib/test/test_unicode_identifiers.py

@holymonson holymonson force-pushed the non_ascii_identifiers branch from 1b3072b to 50f189e Compare August 27, 2018 12:51
benjaminp
benjaminp reviewed Sep 10, 2018
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Lib/lib2to3/pgen2/tokenize.py Outdated
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Lib/tokenize.py appears to parse numbers before identifiers to avoid having a look-behind assertion here. Can we take that approach here, too?

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@holymonson holymonson Sep 15, 2018

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@benjaminp copied codes in Lib/tokenize.py.

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In Lib/tokenize.py, I see:

Name = r'\w+'

@holymonson holymonson force-pushed the non_ascii_identifiers branch from 50f189e to 37d8770 Compare September 15, 2018 02:53
@benjaminp benjaminp merged commit 10a428b into python:master Sep 15, 2018
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miss-islington commented Sep 15, 2018

Thanks @holymonson for the PR, and @benjaminp for merging it 🌮🎉.. I'm working now to backport this PR to: 3.7.
🐍🍒⛏🤖

miss-islington pushed a commit to miss-islington/cpython that referenced this pull request Sep 15, 2018
@holymonson @miss-islington
closes bpo-34515: Support non-ASCII identifiers in lib2to3. (pythonGH…
a9f58c2 
…-8950)

(cherry picked from commit 10a428b)

Co-authored-by: Monson Shao <holymonson@gmail.com>
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bedevere-bot commented Sep 15, 2018

GH-9333 is a backport of this pull request to the 3.7 branch.

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ambv commented Sep 15, 2018

@benjaminp What we actually want is to merge the two pure Python tokenizers. This pull request makes this harder.

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ambv commented Sep 15, 2018

See BPO-33338.

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benjaminp commented Sep 15, 2018 via email

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ambv commented Sep 15, 2018

I'm thinking. My change will only affect Python 3.8 so the backport PR (GH-9333) does make life of YAPF users better in the interim. I'll revert on master only when I rebase my tokenizer merge pull request.

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ambv commented Sep 15, 2018

IOW, let's leave it for now.

miss-islington added a commit that referenced this pull request Sep 15, 2018
@miss-islington @holymonson
closes bpo-34515: Support non-ASCII identifiers in lib2to3. (GH-8950)
51dbae8 
(cherry picked from commit 10a428b)

Co-authored-by: Monson Shao <holymonson@gmail.com>
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