Cope with DeprecationWarnings becoming SyntaxWarnings

Author: jacobtylerwalls

pylint/constants.py

@@ -17,6 +17,7 @@
 PY38_PLUS = sys.version_info[:2] >= (3, 8)
 PY39_PLUS = sys.version_info[:2] >= (3, 9)
 PY310_PLUS = sys.version_info[:2] >= (3, 10)
+PY312_PLUS = sys.version_info[:2] >= (3, 12)
 
 IS_PYPY = platform.python_implementation() == "PyPy"
 

tests/test_functional.py

@@ -13,6 +13,7 @@
 from _pytest.config import Config
 
 from pylint import testutils
+from pylint.constants import PY312_PLUS
 from pylint.testutils import UPDATE_FILE, UPDATE_OPTION
 from pylint.testutils.functional import (
     FunctionalTestFile,
@@ -50,7 +51,8 @@ def test_functional(test_file: FunctionalTestFile, pytestconfig: Config) -> None
     lint_test.setUp()
 
     if test_file.base in TEST_WITH_EXPECTED_DEPRECATION:
-        with pytest.warns(DeprecationWarning, match="invalid escape sequence"):
+        exception_type = SyntaxWarning if PY312_PLUS else DeprecationWarning
+        with pytest.warns(exception_type, match="invalid escape sequence"):
             lint_test.runTest()
     else:
         lint_test.runTest()