Add support for Python 3.14

.github/workflows/primer-test.yaml

@@ -30,7 +30,7 @@ jobs:
     timeout-minutes: 5
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14-dev"]
     outputs:
       python-key: ${{ steps.generate-python-key.outputs.key }}
     steps:
@@ -72,7 +72,7 @@ jobs:
     needs: prepare-tests-linux
     strategy:
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14-dev"]
     steps:
       - name: Check out code from GitHub
         uses: actions/[email protected]

.github/workflows/tests.yaml

@@ -31,7 +31,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14-dev"]
         include:
           - os: macos-latest
             python-version: "3.10"
@@ -188,7 +188,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14-dev"]
     steps:
       - name: Set temp directory
         run: echo "TEMP=$env:USERPROFILE\AppData\Local\Temp" >> $env:GITHUB_ENV

doc/whatsnew/fragments/10467.feature

@@ -0,0 +1,3 @@
+Add support for Python 3.14.
+
+Refs #10467

pylint/checkers/base/basic_error_checker.py

@@ -20,7 +20,7 @@
 ABC_METACLASSES = {"_py_abc.ABCMeta", "abc.ABCMeta"}  # Python 3.7+,
 # List of methods which can be redefined
 REDEFINABLE_METHODS = frozenset(("__module__",))
-TYPING_FORWARD_REF_QNAME = "typing.ForwardRef"
+FORWARD_REF_QNAME = {"typing.ForwardRef", "annotationlib.ForwardRef"}
 
 
 def _get_break_loop_node(break_node: nodes.Break) -> nodes.For | nodes.While | None:
@@ -575,7 +575,7 @@ def _check_redefinition(
                     if (
                         inferred
                         and isinstance(inferred, astroid.Instance)
-                        and inferred.qname() == TYPING_FORWARD_REF_QNAME
+                        and inferred.qname() in FORWARD_REF_QNAME
                     ):
                         return
 

pyproject.toml

@@ -38,7 +38,7 @@ dependencies = [
   # Also upgrade requirements_test_min.txt.
   # Pinned to dev of second minor update to allow editable installs and fix primer issues,
   # see https://github.com/pylint-dev/astroid/issues/1341
-  "astroid>=4.0.0b0,<=4.1.0.dev0",
+  "astroid>=4.0.0b2,<=4.1.0.dev0",
   "colorama>=0.4.5; sys_platform=='win32'",
   "dill>=0.2; python_version<'3.11'",
   "dill>=0.3.6; python_version>='3.11'",

requirements_test_min.txt

@@ -1,6 +1,6 @@
 .[testutils,spelling]
 # astroid dependency is also defined in pyproject.toml
-astroid==4.0.0b0  # Pinned to a specific version for tests
+astroid==4.0.0b2  # Pinned to a specific version for tests
 typing-extensions~=4.14
 py~=1.11.0
 pytest~=8.4

tests/functional/c/consider/consider_using_with.py

@@ -4,14 +4,20 @@
 import multiprocessing
 import pathlib
 import subprocess
+import sys
 import tarfile
 import tempfile
 import threading
 import urllib
 import zipfile
-from concurrent.futures import ThreadPoolExecutor, ProcessPoolExecutor
 from pathlib import Path
 
+if sys.version_info >= (3, 14):
+    from concurrent.futures.process import ProcessPoolExecutor
+    from concurrent.futures.thread import ThreadPoolExecutor
+else:
+    from concurrent.futures import ThreadPoolExecutor, ProcessPoolExecutor
+
 
 def test_pathlib_open():
     _ = pathlib.Path("foo").open(encoding="utf8")  # [consider-using-with]

tests/functional/c/consider/consider_using_with.txt

@@ -1,28 +1,28 @@
-consider-using-with:17:8:17:49:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:18:8:18:41:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:20:8:20:34:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:26:9:26:40:test_codecs_open:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:31:8:31:55:test_urlopen:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:39:8:39:40:test_named_temporary_file:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:43:8:43:42:test_spooled_temporary_file:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:47:8:47:37:test_temporary_directory:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:51:12:51:44:test_zipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:52:8:52:30:test_zipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:56:12:56:46:test_pyzipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:61:8:61:30:test_pyzipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:68:9:68:43:test_tarfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:74:9:74:47:test_tarfile:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:83:4:83:18:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:90:4:90:19:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:97:4:97:18:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:104:4:104:26:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:140:8:140:30:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:145:4:145:19:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:150:4:150:19:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:156:8:156:30:test_popen:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:210:4:210:26::Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:211:4:211:26::Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:23:8:23:49:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:24:8:24:41:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:26:8:26:34:test_pathlib_open:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:32:9:32:40:test_codecs_open:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:37:8:37:55:test_urlopen:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:45:8:45:40:test_named_temporary_file:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:49:8:49:42:test_spooled_temporary_file:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:53:8:53:37:test_temporary_directory:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:57:12:57:44:test_zipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:58:8:58:30:test_zipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:62:12:62:46:test_pyzipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:67:8:67:30:test_pyzipfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:74:9:74:43:test_tarfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:80:9:80:47:test_tarfile:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:89:4:89:18:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:96:4:96:19:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:103:4:103:18:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:110:4:110:26:test_lock_acquisition:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:146:8:146:30:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:151:4:151:19:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:156:4:156:19:test_multiprocessing:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:162:8:162:30:test_popen:Consider using 'with' for resource-allocating operations:UNDEFINED
 consider-using-with:216:4:216:26::Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:217:4:217:26::Consider using 'with' for resource-allocating operations:UNDEFINED
 consider-using-with:222:4:222:26::Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:238:18:238:40:test_subscript_assignment:Consider using 'with' for resource-allocating operations:UNDEFINED
-consider-using-with:240:24:240:46:test_subscript_assignment:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:228:4:228:26::Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:244:18:244:40:test_subscript_assignment:Consider using 'with' for resource-allocating operations:UNDEFINED
+consider-using-with:246:24:246:46:test_subscript_assignment:Consider using 'with' for resource-allocating operations:UNDEFINED

tests/functional/g/generic_alias/generic_alias_mixed_py39.py

@@ -15,7 +15,6 @@
 var_iterable: collections.abc.Iterable[int]
 var_awaitable: collections.abc.Awaitable[int]
 var_pattern: re.Pattern[int]
-var_bytestring: collections.abc.ByteString
 var_hashable: collections.abc.Hashable
 var_context_manager: contextlib.AbstractContextManager[int]
 

tests/functional/g/generic_alias/generic_alias_mixed_py39.txt

@@ -1,5 +1,5 @@
-abstract-method:29:0:29:21:DerivedHashable:Method '__hash__' is abstract in class 'Hashable' but is not overridden in child class 'DerivedHashable':INFERENCE
-abstract-method:32:0:32:21:DerivedIterable:Method '__iter__' is abstract in class 'Iterable' but is not overridden in child class 'DerivedIterable':INFERENCE
-abstract-method:35:0:35:23:DerivedCollection:Method '__contains__' is abstract in class 'Container' but is not overridden in child class 'DerivedCollection':INFERENCE
-abstract-method:35:0:35:23:DerivedCollection:Method '__iter__' is abstract in class 'Iterable' but is not overridden in child class 'DerivedCollection':INFERENCE
-abstract-method:35:0:35:23:DerivedCollection:Method '__len__' is abstract in class 'Sized' but is not overridden in child class 'DerivedCollection':INFERENCE
+abstract-method:28:0:28:21:DerivedHashable:Method '__hash__' is abstract in class 'Hashable' but is not overridden in child class 'DerivedHashable':INFERENCE
+abstract-method:31:0:31:21:DerivedIterable:Method '__iter__' is abstract in class 'Iterable' but is not overridden in child class 'DerivedIterable':INFERENCE
+abstract-method:34:0:34:23:DerivedCollection:Method '__contains__' is abstract in class 'Container' but is not overridden in child class 'DerivedCollection':INFERENCE
+abstract-method:34:0:34:23:DerivedCollection:Method '__iter__' is abstract in class 'Iterable' but is not overridden in child class 'DerivedCollection':INFERENCE
+abstract-method:34:0:34:23:DerivedCollection:Method '__len__' is abstract in class 'Sized' but is not overridden in child class 'DerivedCollection':INFERENCE