Merge branch 'maintenance/3.3.x'

Author: jacobtylerwalls

doc/whatsnew/3/3.3/index.rst

@@ -14,6 +14,45 @@ Summary -- Release highlights
 
 .. towncrier release notes start
 
+What's new in Pylint 3.3.9?
+---------------------------
+Release date: 2025-10-05
+
+
+False Positives Fixed
+---------------------
+
+- Fix used-before-assignment for PEP 695 type aliases and parameters.
+
+  Closes #9815 (`#9815 <https://github.com/pylint-dev/pylint/issues/9815>`_)
+
+- No longer flag undeprecated functions in ``importlib.resources`` as deprecated.
+
+  Closes #10593 (`#10593 <https://github.com/pylint-dev/pylint/issues/10593>`_)
+
+- Fix false positive ``inconsistent-return-statements`` when using ``quit()`` or ``exit()`` functions.
+
+  Closes #10508 (`#10508 <https://github.com/pylint-dev/pylint/issues/10508>`_)
+
+- Fix false positive ``undefined-variable`` (E0602) for for-loop variable shadowing patterns like ``for item in item:`` when the variable was previously defined.
+
+  Closes #10562 (`#10562 <https://github.com/pylint-dev/pylint/issues/10562>`_)
+
+
+
+Other Bug Fixes
+---------------
+
+- Fixed crash in ``unnecessary-list-index-lookup`` when starting an enumeration using
+  minus the length of an iterable inside a dict comprehension when the len call was only
+  made in this dict comprehension, and not elsewhere. Also changed the approach,
+  to use inference in all cases but the simple ones, so we don't have to fix crashes
+  one by one for arbitrarily complex expressions in enumerate.
+
+  Closes #10510 (`#10510 <https://github.com/pylint-dev/pylint/issues/10510>`_)
+
+
+
 What's new in Pylint 3.3.8?
 ---------------------------
 Release date: 2025-08-09

examples/pylintrc

@@ -432,9 +432,9 @@ disable=raw-checker-failed,
         suppressed-message,
         useless-suppression,
         deprecated-pragma,
+        use-symbolic-message-instead,
         use-implicit-booleaness-not-comparison-to-string,
-        use-implicit-booleaness-not-comparison-to-zero,
-        use-symbolic-message-instead
+        use-implicit-booleaness-not-comparison-to-zero
 
 # Enable the message, report, category or checker with the given id(s). You can
 # either give multiple identifier separated by comma (,) or put this option

examples/pyproject.toml

@@ -377,9 +377,9 @@ disable = [
   "suppressed-message",
   "useless-suppression",
   "deprecated-pragma",
+  "use-symbolic-message-instead",
   "use-implicit-booleaness-not-comparison-to-string",
   "use-implicit-booleaness-not-comparison-to-zero",
-  "use-symbolic-message-instead",
 ]
 
 # Enable the message, report, category or checker with the given id(s). You can

pylint/testutils/functional/find_functional_tests.py

@@ -24,6 +24,7 @@
     "ext",
     "regression",
     "regression_02",
+    "used_02",
 }
 """Direct parent directories that should be ignored."""
 

script/.contributors_aliases.json

@@ -282,7 +282,8 @@
       "66853113+pre-commit-ci[bot]@users.noreply.github.com",
       "49699333+dependabot[bot]@users.noreply.github.com",
       "212256041+pylint-backport-bot[bot]@users.noreply.github.com",
-      "41898282+github-actions[bot]@users.noreply.github.com"
+      "41898282+github-actions[bot]@users.noreply.github.com",
+      "212256041+pylint-backport[bot]@users.noreply.github.com"
     ],
     "name": "bot"
   },

tests/functional/u/used_02/used_before_assignment_py313.py

@@ -0,0 +1,16 @@
+"""Tests for used-before-assignment with Python 3.13 type var defaults (PEP 696)"""
+# pylint: disable=missing-docstring,unused-argument,too-few-public-methods
+
+from typing import TYPE_CHECKING
+
+if TYPE_CHECKING:
+    class Y: ...
+
+class Good1[T = Y]: ...
+class Good2[*Ts = tuple[int, Y]]: ...
+class Good3[**P = [int, Y]]: ...
+type Alias[T = Y] = T | None
+
+# https://github.com/pylint-dev/pylint/issues/9884
+def func[T = Y](x: T) -> None:  # [redefined-outer-name]  FALSE POSITIVE
+    ...

tests/functional/u/used_02/used_before_assignment_py313.rc

@@ -0,0 +1,2 @@
+[testoptions]
+min_pyver=3.13

tests/functional/u/used_02/used_before_assignment_py313.txt

@@ -0,0 +1 @@
+redefined-outer-name:15:9:15:14:func:Redefining name 'T' from outer scope (line 12):UNDEFINED