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gh-138706: update Unicode to 17.0.0 by benjaminp · Pull Request #138719 · python/cpython · GitHub

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benjaminp merged 1 commit into from
Sep 11, 2025
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gh-138706: update Unicode to 17.0.0 #138719

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20 changes: 10 additions & 10 deletions Doc/library/stdtypes.rst
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Expand Up @@ -1843,9 +1843,9 @@ expression support in the :mod:`re` module).
lowercase, :meth:`lower` would do nothing to ``'ß'``; :meth:`casefold`
converts it to ``"ss"``.

The casefolding algorithm is
`described in section 3.13 'Default Case Folding' of the Unicode Standard
<https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G33992>`__.
The casefolding algorithm is `described in section 3.13.3 'Default Case
Folding' of the Unicode Standard
<https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-3/#G53253>`__.

.. versionadded:: 3.3

Expand Down Expand Up @@ -2056,7 +2056,7 @@ expression support in the :mod:`re` module).
property being one of "Lm", "Lt", "Lu", "Ll", or "Lo". Note that this is different
from the `Alphabetic property defined in the section 4.10 'Letters, Alphabetic, and
Ideographic' of the Unicode Standard
<https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-4/#G91002>`_.
<https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-4/#G91002>`__.


.. method:: str.isascii()
Expand Down Expand Up @@ -2196,9 +2196,9 @@ expression support in the :mod:`re` module).
Return a copy of the string with all the cased characters [4]_ converted to
lowercase.

The lowercasing algorithm used is
`described in section 3.13 'Default Case Folding' of the Unicode Standard
<https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G33992>`__.
The lowercasing algorithm used is `described in section 3.13.2 'Default Case
Conversion' of the Unicode Standard
<https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-3/#G34078>`__.


.. method:: str.lstrip(chars=None, /)
Expand Down Expand Up @@ -2561,9 +2561,9 @@ expression support in the :mod:`re` module).
character(s) is not "Lu" (Letter, uppercase), but e.g. "Lt" (Letter,
titlecase).

The uppercasing algorithm used is
`described in section 3.13 'Default Case Folding' of the Unicode Standard
<https://www.unicode.org/versions/Unicode16.0.0/core-spec/chapter-3/#G33992>`__.
The uppercasing algorithm used is `described in section 3.13.2 'Default Case
Conversion' of the Unicode Standard
<https://www.unicode.org/versions/Unicode17.0.0/core-spec/chapter-3/#G34078>`__.


.. method:: str.zfill(width, /)
Expand Down
8 changes: 4 additions & 4 deletions Doc/library/unicodedata.rst
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Expand Up @@ -17,8 +17,8 @@

This module provides access to the Unicode Character Database (UCD) which
defines character properties for all Unicode characters. The data contained in
this database is compiled from the `UCD version 16.0.0
<https://www.unicode.org/Public/16.0.0/ucd>`_.
this database is compiled from the `UCD version 17.0.0
<https://www.unicode.org/Public/17.0.0/ucd>`_.

The module uses the same names and symbols as defined by Unicode
Standard Annex #44, `"Unicode Character Database"
Expand Down Expand Up @@ -211,6 +211,6 @@ In addition, the module exposes the following constant:

.. rubric:: Footnotes

.. [#] https://www.unicode.org/Public/16.0.0/ucd/NameAliases.txt
.. [#] https://www.unicode.org/Public/17.0.0/ucd/NameAliases.txt

.. [#] https://www.unicode.org/Public/16.0.0/ucd/NamedSequences.txt
.. [#] https://www.unicode.org/Public/17.0.0/ucd/NamedSequences.txt
6 changes: 3 additions & 3 deletions Doc/reference/lexical_analysis.rst
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Expand Up @@ -384,8 +384,8 @@ Character Database.


.. _UAX-31: https://www.unicode.org/reports/tr31/
.. _PropList.txt: https://www.unicode.org/Public/16.0.0/ucd/PropList.txt
.. _DerivedCoreProperties.txt: https://www.unicode.org/Public/16.0.0/ucd/DerivedCoreProperties.txt
.. _PropList.txt: https://www.unicode.org/Public/17.0.0/ucd/PropList.txt
.. _DerivedCoreProperties.txt: https://www.unicode.org/Public/17.0.0/ucd/DerivedCoreProperties.txt
.. _normalization form: https://www.unicode.org/reports/tr15/#Norm_Forms

StanFromIreland Sep 11, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality
Suggested change
.. _normalization form: https://www.unicode.org/reports/tr15/#Norm_Forms
.. _normalization form: https://www.unicode.org/reports/tr15/tr15-57.html#Norm_Forms

Should we set annexes to the specific version like we do with all of the other links?

benjaminp Sep 11, 2025

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Choose a reason Spam Abuse Off Topic Outdated Duplicate Resolved Low Quality

I believe the technical reports are versioned somewhat independently from the Unicode version. E.g., this is now a link to revision 57. This link looks like it's to provide background on the term "normalization form", so the unversioned link is probably fine.


Expand Down Expand Up @@ -793,7 +793,7 @@ with the given *name*::
This sequence cannot appear in :ref:`bytes literals <bytes-literal>`.

.. versionchanged:: 3.3
Support for `name aliases <https://www.unicode.org/Public/16.0.0/ucd/NameAliases.txt>`__
Support for `name aliases <https://www.unicode.org/Public/17.0.0/ucd/NameAliases.txt>`__
has been added.

.. _string-escape-long-hex:
Expand Down
6 changes: 6 additions & 0 deletions Doc/whatsnew/3.15.rst
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Expand Up @@ -648,6 +648,12 @@ typing
(Contributed by Nikita Sobolev in :gh:`137191`.)


unicodedata
-----------

* The Unicode database has been updated to Unicode 17.0.0.


wave
----

Expand Down
4 changes: 2 additions & 2 deletions Lib/test/test_unicodedata.py
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Expand Up @@ -24,7 +24,7 @@
class UnicodeMethodsTest(unittest.TestCase):

# update this, if the database changes
expectedchecksum = '9e43ee3929471739680c0e705482b4ae1c4122e4'
expectedchecksum = '8b2615a9fc627676cbc0b6fac0191177df97ef5f'

@requires_resource('cpu')
def test_method_checksum(self):
Expand Down Expand Up @@ -77,7 +77,7 @@ class UnicodeFunctionsTest(UnicodeDatabaseTest):

# Update this if the database changes. Make sure to do a full rebuild
# (e.g. 'make distclean && make') to get the correct checksum.
expectedchecksum = '23ab09ed4abdf93db23b97359108ed630dd8311d'
expectedchecksum = '65670ae03a324c5f9e826a4de3e25bae4d73c9b7'

@requires_resource('cpu')
def test_function_checksum(self):
Expand Down
1 change: 1 addition & 0 deletions Misc/NEWS.d/next/Library/2025-09-09-10-48-26.gh-issue-138706.xB--LX.rst
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Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
Update :mod:`unicodedata` database to Unicode 17.0.0.
7 changes: 4 additions & 3 deletions Modules/unicodedata.c
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Expand Up @@ -1020,13 +1020,14 @@ is_unified_ideograph(Py_UCS4 code)
(0x3400 <= code && code <= 0x4DBF) || /* CJK Ideograph Extension A */
(0x4E00 <= code && code <= 0x9FFF) || /* CJK Ideograph */
(0x20000 <= code && code <= 0x2A6DF) || /* CJK Ideograph Extension B */
(0x2A700 <= code && code <= 0x2B739) || /* CJK Ideograph Extension C */
(0x2A700 <= code && code <= 0x2B73F) || /* CJK Ideograph Extension C */
(0x2B740 <= code && code <= 0x2B81D) || /* CJK Ideograph Extension D */
(0x2B820 <= code && code <= 0x2CEA1) || /* CJK Ideograph Extension E */
(0x2B820 <= code && code <= 0x2CEAD) || /* CJK Ideograph Extension E */
(0x2CEB0 <= code && code <= 0x2EBE0) || /* CJK Ideograph Extension F */
(0x2EBF0 <= code && code <= 0x2EE5D) || /* CJK Ideograph Extension I */
(0x30000 <= code && code <= 0x3134A) || /* CJK Ideograph Extension G */
(0x31350 <= code && code <= 0x323AF); /* CJK Ideograph Extension H */
(0x31350 <= code && code <= 0x323AF) || /* CJK Ideograph Extension H */
(0x323B0 <= code && code <= 0x33479); /* CJK Ideograph Extension J */
}

/* macros used to determine if the given code point is in the PUA range that
Expand Down
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