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gh-74902: Add Unicode Grapheme Cluster Break algorithm #143076

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Merged
serhiy-storchaka merged 10 commits into from
Jan 14, 2026
Merged

gh-74902: Add Unicode Grapheme Cluster Break algorithm #143076

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4c1bd42
gh-74902: Add Unicode Grapheme Cluster Break algorithm
serhiy-storchaka Dec 21, 2025
b0585f9
Try to fix rst.
serhiy-storchaka Dec 22, 2025
37fa38f
iConvert the types to heap types.
serhiy-storchaka Dec 23, 2025
c46e9bd
Update Doc/library/unicodedata.rst
serhiy-storchaka Dec 23, 2025
22cacf6
Apply suggestions from code review
serhiy-storchaka Dec 26, 2025
a95c3cb
Add tests for GB12 and GB13. Remove redundant parameter in run_graphe…
serhiy-storchaka Dec 26, 2025
ad50831
Rename Grapheme to Segment. Add __repr__(), remove __iter__().
serhiy-storchaka Dec 26, 2025
365d0c1
Merge branch 'main' into grapheme_cluster_break2
serhiy-storchaka Jan 2, 2026
f96c8d0
Merge branch 'main' into grapheme_cluster_break2
serhiy-storchaka Jan 14, 2026
3b3a50a
Polishing.
serhiy-storchaka Jan 14, 2026
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Polishing.
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@serhiy-storchaka
serhiy-storchaka committed Jan 14, 2026
commit 3b3a50a2fc96d773c85aa16dc0ea9cf94266028b
11 changes: 6 additions & 5 deletions Modules/unicodedata.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2114,19 +2114,20 @@ unicodedata_extended_pictographic_impl(PyObject *module, int chr)
}


/* XXX Add doc strings. */

// List of functions used to define module functions *AND* unicodedata.UCD
// methods. For module functions, self is the module. For UCD methods, self
// is an UCD instance. The UCD_Check() macro is used to check if self is
// an UCD instance.
static PyMethodDef unicodedata_functions[] = {
// Module only functions.
UNICODEDATA_GRAPHEME_CLUSTER_BREAK_METHODDEF
UNICODEDATA_INDIC_CONJUNCT_BREAK_METHODDEF
UNICODEDATA_EXTENDED_PICTOGRAPHIC_METHODDEF
UNICODEDATA_ITER_GRAPHEMES_METHODDEF
// Update Py_tp_methods in ucd_type_slots if add more module-only
// functions.

// The following definitions are shared between the module
// and the UCD class.
#define DB_methods (unicodedata_functions + 4)

UNICODEDATA_UCD_DECIMAL_METHODDEF
UNICODEDATA_UCD_DIGIT_METHODDEF
Expand Down Expand Up @@ -2159,7 +2160,7 @@ static PyType_Slot ucd_type_slots[] = {
{Py_tp_dealloc, ucd_dealloc},
{Py_tp_traverse, _PyObject_VisitType},
{Py_tp_getattro, PyObject_GenericGetAttr},
{Py_tp_methods, unicodedata_functions + 4},
{Py_tp_methods, DB_methods},
{Py_tp_members, DB_members},
{0, 0}
};
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