gh-143897: Remove the isxidstart() and isxidcontinue() methods of unicodedata.ucd_3_2_0

Lib/test/test_unicodedata.py

@@ -83,15 +83,7 @@ def test_method_checksum(self):
         self.assertEqual(result, self.expectedchecksum)
 
 
-class UnicodeFunctionsTest(unittest.TestCase):
-    db = unicodedata
-    old = False
-
-    # Update this if the database changes. Make sure to do a full rebuild
-    # (e.g. 'make distclean && make') to get the correct checksum.
-    expectedchecksum = ('83cc43a2fbb779185832b4c049217d80b05bf349'
-                        if quicktest else
-                        '65670ae03a324c5f9e826a4de3e25bae4d73c9b7')
+class BaseUnicodeFunctionsTest:
 
     def test_function_checksum(self):
         db = self.db
@@ -589,6 +581,16 @@ def test_east_asian_width_unassigned(self):
             self.assertEqual(eaw(char), 'A')
             self.assertIs(self.db.name(char, None), None)
 
+class UnicodeFunctionsTest(unittest.TestCase, BaseUnicodeFunctionsTest):
+    db = unicodedata
+    old = False
+
+    # Update this if the database changes. Make sure to do a full rebuild
+    # (e.g. 'make distclean && make') to get the correct checksum.
+    expectedchecksum = ('83cc43a2fbb779185832b4c049217d80b05bf349'
+                        if quicktest else
+                        '65670ae03a324c5f9e826a4de3e25bae4d73c9b7')
+
     def test_isxidstart(self):
         self.assertTrue(self.db.isxidstart('S'))
         self.assertTrue(self.db.isxidstart('\u0AD0'))  # GUJARATI OM
@@ -832,18 +834,13 @@ def graphemes(*args):
             ['a', '\U0001F1FA\U0001F1E6', '\U0001F1FA\U0001F1F3'])
 
 
-class Unicode_3_2_0_FunctionsTest(UnicodeFunctionsTest):
+class Unicode_3_2_0_FunctionsTest(unittest.TestCase, BaseUnicodeFunctionsTest):
     db = unicodedata.ucd_3_2_0
     old = True
     expectedchecksum = ('f4526159891a4b766dd48045646547178737ba09'
                         if quicktest else
                         'f217b8688d7bdff31db4207e078a96702f091597')
 
-    test_grapheme_cluster_break = None
-    test_indic_conjunct_break = None
-    test_extended_pictographic = None
-    test_grapheme_break = None
-
 
 class UnicodeMiscTest(unittest.TestCase):
     db = unicodedata

Misc/NEWS.d/next/Library/2026-01-16-10-53-17.gh-issue-143897.hWJBHN.rst

@@ -0,0 +1,3 @@
+Remove the :meth:`!isxidstart` and :meth:`!isxidcontinue` methods of
+:data:`unicodedata.ucd_3_2_0`. They are now only exposed as
+:func:`unicodedata.isxidstart` and :func:`unicodedata.isxidcontinue`.

Modules/unicodedata.c

@@ -1565,9 +1565,8 @@ unicodedata_UCD_name_impl(PyObject *self, int chr, PyObject *default_value)
 }
 
 /*[clinic input]
-unicodedata.UCD.isxidstart
+unicodedata.isxidstart
 
-    self: self
     chr: int(accept={str})
     /
 
@@ -1576,24 +1575,15 @@ Return True if the character has the XID_Start property, else False.
 [clinic start generated code]*/
 
 static PyObject *
-unicodedata_UCD_isxidstart_impl(PyObject *self, int chr)
-/*[clinic end generated code: output=944005823c72c3ef input=9353f88d709c21fb]*/
+unicodedata_isxidstart_impl(PyObject *module, int chr)
+/*[clinic end generated code: output=7ae0e1a3915aa031 input=3812717f3a6bfc56]*/
 {
-    if (UCD_Check(self)) {
-        const change_record *old = get_old_record(self, chr);
-        if (old->category_changed == 0) {
-            /* unassigned */
-            Py_RETURN_FALSE;
-        }
-    }
-
     return PyBool_FromLong(_PyUnicode_IsXidStart(chr));
 }
 
 /*[clinic input]
-unicodedata.UCD.isxidcontinue
+unicodedata.isxidcontinue
 
-    self: self
     chr: int(accept={str})
     /
 
@@ -1602,17 +1592,9 @@ Return True if the character has the XID_Continue property, else False.
 [clinic start generated code]*/
 
 static PyObject *
-unicodedata_UCD_isxidcontinue_impl(PyObject *self, int chr)
-/*[clinic end generated code: output=9438dcbff5ca3e41 input=bbb8dd3ac0d2d709]*/
+unicodedata_isxidcontinue_impl(PyObject *module, int chr)
+/*[clinic end generated code: output=517caa8b38c73aed input=a971ed6e57cac374]*/
 {
-    if (UCD_Check(self)) {
-        const change_record *old = get_old_record(self, chr);
-        if (old->category_changed == 0) {
-            /* unassigned */
-            Py_RETURN_FALSE;
-        }
-    }
-
     return PyBool_FromLong(_PyUnicode_IsXidContinue(chr));
 }
 
@@ -2128,10 +2110,12 @@ static PyMethodDef unicodedata_functions[] = {
     UNICODEDATA_INDIC_CONJUNCT_BREAK_METHODDEF
     UNICODEDATA_EXTENDED_PICTOGRAPHIC_METHODDEF
     UNICODEDATA_ITER_GRAPHEMES_METHODDEF
+    UNICODEDATA_ISXIDSTART_METHODDEF
+    UNICODEDATA_ISXIDCONTINUE_METHODDEF
 
     // The following definitions are shared between the module
     // and the UCD class.
-#define DB_methods (unicodedata_functions + 4)
+#define DB_methods (unicodedata_functions + 6)
 
     UNICODEDATA_UCD_DECIMAL_METHODDEF
     UNICODEDATA_UCD_DIGIT_METHODDEF
@@ -2143,8 +2127,6 @@ static PyMethodDef unicodedata_functions[] = {
     UNICODEDATA_UCD_EAST_ASIAN_WIDTH_METHODDEF
     UNICODEDATA_UCD_DECOMPOSITION_METHODDEF
     UNICODEDATA_UCD_NAME_METHODDEF
-    UNICODEDATA_UCD_ISXIDSTART_METHODDEF
-    UNICODEDATA_UCD_ISXIDCONTINUE_METHODDEF
     UNICODEDATA_UCD_LOOKUP_METHODDEF
     UNICODEDATA_UCD_IS_NORMALIZED_METHODDEF
     UNICODEDATA_UCD_NORMALIZE_METHODDEF