Remove sre_modules

python · vstinner · Jul 1, 2025 · Jun 26, 2025 · Jun 26, 2025 · Jun 26, 2025
commit 5fa0085614a6de9eaa556f0e6a79a80c9942e01c
diff --git a/Doc/deprecations/pending-removal-in-3.15.rst b/Doc/deprecations/pending-removal-in-3.15.rst
@@ -97,6 +97,8 @@ Pending removal in Python 3.15
     After eight years in the :mod:`typing` module,
     it has yet to be supported by any major type checker.
 
+* :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse` modules.
+
 * :mod:`wave`:
 
   * The ``getmark()``, ``setmark()`` and ``getmarkers()`` methods of

diff --git a/Doc/deprecations/pending-removal-in-future.rst b/Doc/deprecations/pending-removal-in-future.rst
@@ -89,8 +89,6 @@ although there is currently no date scheduled for their removal.
   underscore.
   (Contributed by Serhiy Storchaka in :gh:`91760`.)
 
-* :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse` modules.
-
 * :mod:`shutil`: :func:`~shutil.rmtree`'s *onerror* parameter is deprecated in
   Python 3.12; use the *onexc* parameter instead.
 

@@ -225,6 +225,13 @@ ctypes
   (Contributed by Bénédikt Tran in :gh:`133866`.)
 
 
+sre_*
+-----
+
+* Removed :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse` modules.
+  (Contributed by Stan Ulbrych in :gh:``.)
+
+
 http.server
 -----------
 

diff --git a/Lib/sre_compile.py b/Lib/sre_compile.py
diff --git a/Lib/sre_constants.py b/Lib/sre_constants.py
diff --git a/Lib/sre_parse.py b/Lib/sre_parse.py
diff --git a/Lib/test/test_pyclbr.py b/Lib/test/test_pyclbr.py
@@ -246,9 +246,6 @@ def test_others(self):
         # These were once some of the longest modules.
         cm('random', ignore=('Random',))  # from _random import Random as CoreGenerator
         cm('pickle', ignore=('partial', 'PickleBuffer'))
-        with warnings.catch_warnings():
-            warnings.simplefilter('ignore', DeprecationWarning)
-            cm('sre_parse', ignore=('dump', 'groups', 'pos')) # from sre_constants import *; property
         with temporary_main_spec():
             cm(
                 'pdb',

diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py
@@ -1444,7 +1444,7 @@ def test_flags(self):
         for flag in [re.I, re.M, re.X, re.S, re.A, re.L]:
             self.assertTrue(re.compile(b'^pattern$', flag))
 
-    def test_sre_character_literals(self):
+    def test_character_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255, 256, 0xFFFF, 0x10000, 0x10FFFF]:
             if i < 256:
                 self.assertTrue(re.match(r"\%03o" % i, chr(i)))
@@ -1476,7 +1476,7 @@ def test_sre_character_literals(self):
         self.checkPatternError(r"\U0001234z", r'incomplete escape \U0001234', 0)
         self.checkPatternError(r"\U00110000", r'bad escape \U00110000', 0)
 
-    def test_sre_character_class_literals(self):
+    def test_character_class_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255, 256, 0xFFFF, 0x10000, 0x10FFFF]:
             if i < 256:
                 self.assertTrue(re.match(r"[\%o]" % i, chr(i)))
@@ -1504,7 +1504,7 @@ def test_sre_character_class_literals(self):
         self.checkPatternError(r"[\U00110000]", r'bad escape \U00110000', 1)
         self.assertTrue(re.match(r"[\U0001d49c-\U0001d4b5]", "\U0001d49e"))
 
-    def test_sre_byte_literals(self):
+    def test_byte_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255]:
             self.assertTrue(re.match((r"\%03o" % i).encode(), bytes([i])))
             self.assertTrue(re.match((r"\%03o0" % i).encode(), bytes([i])+b"0"))
@@ -1525,7 +1525,7 @@ def test_sre_byte_literals(self):
         self.checkPatternError(br"\x1", r'incomplete escape \x1', 0)
         self.checkPatternError(br"\x1z", r'incomplete escape \x1', 0)
 
-    def test_sre_byte_class_literals(self):
+    def test_byte_class_literals(self):
         for i in [0, 8, 16, 32, 64, 127, 128, 255]:
             self.assertTrue(re.match((r"[\%o]" % i).encode(), bytes([i])))
             self.assertTrue(re.match((r"[\%o8]" % i).encode(), bytes([i])))
@@ -2927,33 +2927,6 @@ def test_disallow_instantiation(self):
         pat = re.compile("")
         check_disallow_instantiation(self, type(pat.scanner("")))
 
-    def test_deprecated_modules(self):
-        deprecated = {
-            'sre_compile': ['compile', 'error',
-                            'SRE_FLAG_IGNORECASE', 'SUBPATTERN',
-                            '_compile_info'],
-            'sre_constants': ['error', 'SRE_FLAG_IGNORECASE', 'SUBPATTERN',
-                              '_NamedIntConstant'],
-            'sre_parse': ['SubPattern', 'parse',
-                          'SRE_FLAG_IGNORECASE', 'SUBPATTERN',
-                          '_parse_sub'],
-        }
-        for name in deprecated:
-            with self.subTest(module=name):
-                sys.modules.pop(name, None)
-                with self.assertWarns(DeprecationWarning) as w:
-                    __import__(name)
-                self.assertEqual(str(w.warning),
-                                 f"module {name!r} is deprecated")
-                self.assertEqual(w.filename, __file__)
-                self.assertIn(name, sys.modules)
-                mod = sys.modules[name]
-                self.assertEqual(mod.__name__, name)
-                self.assertEqual(mod.__package__, '')
-                for attr in deprecated[name]:
-                    self.assertHasAttr(mod, attr)
-                del sys.modules[name]
-
     @cpython_only
     def test_case_helpers(self):
         import _sre

diff --git a/Lib/test/test_time.py b/Lib/test/test_time.py
@@ -756,7 +756,7 @@ class TestStrftime4dyear(_TestStrftimeYear, _Test4dYear, unittest.TestCase):
 
 class TestPytime(unittest.TestCase):
     @skip_if_buggy_ucrt_strfptime
-    @unittest.skipUnless(time._STRUCT_TM_ITEMS == 11, "needs tm_zone support")
+    @unittest.skipIf(time.altzone > 0, "System uses negative DST offset")
     def test_localtime_timezone(self):
 
         # Get the localtime and examine it for the offset and zone.

diff --git a/Misc/NEWS.d/next/Library/2025-06-26-17-19-36.gh-issue-105456.eR9oHB.rst b/Misc/NEWS.d/next/Library/2025-06-26-17-19-36.gh-issue-105456.eR9oHB.rst
@@ -0,0 +1,2 @@
+Removed :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse`
+modules.
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1,2 @@
		Removed :mod:`!sre_compile`, :mod:`!sre_constants` and :mod:`!sre_parse`
		modules.