Update astroid to 2.12.0

Prevent `unused-import` for `six.with_metaclass`

Adjust `pyreverse` test results accounting for `tests` as a namespace package

Update expected result for `func_w0401_package`

Update `contributors-txt` to 0.9.0

Co-authored-by: Pierre Sassoulas <pierre.sassoulas@gmail.com>
Co-authored-by: Daniël van Noord <13665637+DanielNoord@users.noreply.github.com>

.github/workflows/checks.yaml

@@ -8,8 +8,7 @@ on:
   pull_request: ~
 
 env:
-  # Also change CACHE_VERSION in the other workflows
-  CACHE_VERSION: 8
+  CACHE_VERSION: 1
   DEFAULT_PYTHON: "3.10"
   PRE_COMMIT_CACHE: ~/.cache/pre-commit
 

.github/workflows/primer-test.yaml

@@ -13,8 +13,7 @@ on:
       - ".github/workflows/primer-test.yaml"
 
 env:
-  # Also change CACHE_VERSION in the CI workflow
-  CACHE_VERSION: 6
+  CACHE_VERSION: 1
 
 concurrency:
   group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}

.github/workflows/primer_comment.yaml

@@ -13,7 +13,7 @@ on:
       - completed
 
 env:
-  CACHE_VERSION: 2
+  CACHE_VERSION: 1
 
 permissions:
   contents: read

.github/workflows/primer_run_main.yaml

@@ -15,7 +15,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  CACHE_VERSION: 2
+  CACHE_VERSION: 1
 
 jobs:
   run-primer:

.github/workflows/primer_run_pr.yaml

@@ -24,7 +24,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  CACHE_VERSION: 2
+  CACHE_VERSION: 1
 
 jobs:
   run-primer:

.github/workflows/tests.yaml

@@ -10,8 +10,7 @@ on:
       - doc/data/messages/**
 
 env:
-  # Also change CACHE_VERSION in the other workflows
-  CACHE_VERSION: 7
+  CACHE_VERSION: 1
 
 jobs:
   tests-linux:

doc/user_guide/usage/run.rst

@@ -9,22 +9,25 @@ Pylint is meant to be called from the command line. The usage is ::
 
    pylint [options] modules_or_packages
 
-By default the ``pylint`` command only accepts a list of python modules and packages. Using a
-directory which is not a package results in an error::
+By default the ``pylint`` command only accepts a list of python modules and packages.
+On versions below 2.15, specifying a directory that is not an explicit package
+(with ``__init__.py``) results in an error::
 
     pylint mydir
     ************* Module mydir
     mydir/__init__.py:1:0: F0010: error while code parsing: Unable to load file mydir/__init__.py:
     [Errno 2] No such file or directory: 'mydir/__init__.py' (parse-error)
 
-When ``--recursive=y`` option is used, modules and packages are also accepted as parameters::
+When the ``--recursive=y`` option is used, modules and packages are also accepted as parameters::
 
     pylint --recursive=y mydir mymodule mypackage
 
 This option makes ``pylint`` attempt to discover all modules (files ending with ``.py`` extension)
-and all packages (all directories containing a ``__init__.py`` file).
+and all explicit packages (all directories containing a ``__init__.py`` file).
+As of version 2.15, ``pylint`` will also discover namespace packages but there are some edge
+cases still under development (where you might still find ``--recursive=y`` useful).
 
-Pylint **will not import** this package or module, though uses Python internals
+Pylint **will not import** this package or module, but it does use Python internals
 to locate them and as such is subject to the same rules and configuration.
 You should pay attention to your ``PYTHONPATH``, since it is a common error
 to analyze an installed version of a module instead of the development version.

doc/whatsnew/2/2.15/index.rst

@@ -11,6 +11,9 @@
 Summary -- Release highlights
 =============================
 
+* We improved ``pylint``'s handling of namespace packages. More packages should be
+  linted without resorting to using the ``-recursive=y`` option.
+
 
 New checkers
 ============
@@ -86,6 +89,8 @@ Other Changes
 
   Closes #6953
 
+* Update ``astroid`` to 2.12.
+
 
 Internal changes
 ================

pylint/checkers/imports.py

@@ -767,7 +767,9 @@ def _get_imported_module(self, importnode, modname):
                 return None
             self.add_message("relative-beyond-top-level", node=importnode)
         except astroid.AstroidSyntaxError as exc:
-            message = f"Cannot import {modname!r} due to syntax error {str(exc.error)!r}"  # pylint: disable=no-member; false positive
+            message = (
+                f"Cannot import {modname!r} due to syntax error {str(exc.error)!r}"
+            )
             self.add_message("syntax-error", line=importnode.lineno, args=message)
 
         except astroid.AstroidBuildingError:

pylint/checkers/variables.py

@@ -1137,9 +1137,24 @@ def visit_classdef(self, node: nodes.ClassDef) -> None:
         """Visit class: update consumption analysis variable."""
         self._to_consume.append(NamesConsumer(node, "class"))
 
-    def leave_classdef(self, _: nodes.ClassDef) -> None:
+    def leave_classdef(self, node: nodes.ClassDef) -> None:
         """Leave class: update consumption analysis variable."""
-        # do not check for not used locals here (no sense)
+        # Check for hidden ancestor names
+        # e.g. "six" in: Class X(six.with_metaclass(ABCMeta, object)):
+        for name_node in node.nodes_of_class(nodes.Name):
+            if (
+                isinstance(name_node.parent, nodes.Call)
+                and isinstance(name_node.parent.func, nodes.Attribute)
+                and isinstance(name_node.parent.func.expr, nodes.Name)
+            ):
+                hidden_name_node = name_node.parent.func.expr
+                for consumer in self._to_consume:
+                    if hidden_name_node.name in consumer.to_consume:
+                        consumer.mark_as_consumed(
+                            hidden_name_node.name,
+                            consumer.to_consume[hidden_name_node.name],
+                        )
+                        break
         self._to_consume.pop()
 
     def visit_lambda(self, node: nodes.Lambda) -> None:

pylint/lint/pylinter.py

@@ -914,7 +914,6 @@ def get_ast(
                 data, modname, filepath
             )
         except astroid.AstroidSyntaxError as ex:
-            # pylint: disable=no-member
             self.add_message(
                 "syntax-error",
                 line=getattr(ex.error, "lineno", 0),

pyproject.toml

@@ -35,9 +35,9 @@ dependencies    = [
     "dill>=0.2",
     "platformdirs>=2.2.0",
     # Also upgrade requirements_test_min.txt if you are bumping astroid.
-    # Pinned to dev of next minor update to allow editable installs,
+    # Pinned to dev of second minor update to allow editable installs and fix primer issues,
     # see https://github.com/PyCQA/astroid/issues/1341
-    "astroid>=2.11.6,<=2.12.0-dev0",
+    "astroid>=2.12.2,<=2.14.0-dev0",
     "isort>=4.2.5,<6",
     "mccabe>=0.6,<0.8",
     "tomli>=1.1.0;python_version<'3.11'",

requirements_test.txt

@@ -4,7 +4,7 @@ coveralls~=3.3
 coverage~=6.4
 pre-commit~=2.20
 tbump~=6.9.0
-contributors-txt>=0.7.3
+contributors-txt>=0.9.0
 pytest-cov~=3.0
 pytest-profiling~=1.7
 pytest-xdist~=2.5

requirements_test_min.txt

@@ -1,6 +1,6 @@
 -e .[testutils,spelling]
-# astroid dependency is also defined in setup.cfg
-astroid==2.11.6  # Pinned to a specific version for tests
+# astroid dependency is also defined in pyproject.toml
+astroid==2.12.2  # Pinned to a specific version for tests
 typing-extensions~=4.3
 pytest~=7.1
 pytest-benchmark~=3.4

tests/functional/u/unused/unused_import.py

@@ -3,13 +3,15 @@
 import xml.etree  # [unused-import]
 import xml.sax  # [unused-import]
 import os.path as test  # [unused-import]
+from abc import ABCMeta
 from sys import argv as test2  # [unused-import]
 from sys import flags  # [unused-import]
 # +1:[unused-import,unused-import]
 from collections import deque, OrderedDict, Counter
 import re, html.parser  # [unused-import]
 DATA = Counter()
 # pylint: disable=self-assigning-variable
+import six
 from fake import SomeName, SomeOtherName  # [unused-import]
 class SomeClass(object):
     SomeName = SomeName # https://bitbucket.org/logilab/pylint/issue/475
@@ -87,3 +89,6 @@ def blop(self):
 TYPE_CHECKING = False
 if TYPE_CHECKING:
     import zoneinfo
+
+class WithMetaclass(six.with_metaclass(ABCMeta, object)):
+    pass

tests/functional/u/unused/unused_import.txt

@@ -1,14 +1,14 @@
 unused-import:3:0:3:16::Unused import xml.etree:UNDEFINED
 unused-import:4:0:4:14::Unused import xml.sax:UNDEFINED
 unused-import:5:0:5:22::Unused os.path imported as test:UNDEFINED
-unused-import:6:0:6:29::Unused argv imported from sys as test2:UNDEFINED
-unused-import:7:0:7:21::Unused flags imported from sys:UNDEFINED
-unused-import:9:0:9:51::Unused OrderedDict imported from collections:UNDEFINED
-unused-import:9:0:9:51::Unused deque imported from collections:UNDEFINED
-unused-import:10:0:10:22::Unused import re:UNDEFINED
-unused-import:13:0:13:40::Unused SomeOtherName imported from fake:UNDEFINED
-unused-import:48:0:48:9::Unused import os:UNDEFINED
-unused-import:79:4:79:19::Unused import unittest:UNDEFINED
-unused-import:81:4:81:15::Unused import uuid:UNDEFINED
-unused-import:83:4:83:19::Unused import warnings:UNDEFINED
-unused-import:85:4:85:21::Unused import compileall:UNDEFINED
+unused-import:7:0:7:29::Unused argv imported from sys as test2:UNDEFINED
+unused-import:8:0:8:21::Unused flags imported from sys:UNDEFINED
+unused-import:10:0:10:51::Unused OrderedDict imported from collections:UNDEFINED
+unused-import:10:0:10:51::Unused deque imported from collections:UNDEFINED
+unused-import:11:0:11:22::Unused import re:UNDEFINED
+unused-import:15:0:15:40::Unused SomeOtherName imported from fake:UNDEFINED
+unused-import:50:0:50:9::Unused import os:UNDEFINED
+unused-import:81:4:81:19::Unused import unittest:UNDEFINED
+unused-import:83:4:83:15::Unused import uuid:UNDEFINED
+unused-import:85:4:85:19::Unused import warnings:UNDEFINED
+unused-import:87:4:87:21::Unused import compileall:UNDEFINED

tests/messages/func_w0401_package.txt

@@ -1,2 +1,2 @@
-R:  1: Cyclic import (input.func_w0401_package.all_the_things -> input.func_w0401_package.thing2)
+R:  1: Cyclic import (tests.input.func_w0401_package.all_the_things -> tests.input.func_w0401_package.thing2)
 W:  8: Using a conditional statement with a constant value

tests/pyreverse/test_diadefs.py

@@ -24,6 +24,10 @@
 from pylint.pyreverse.diagrams import DiagramEntity, Relationship
 from pylint.pyreverse.inspector import Linker, Project
 from pylint.testutils.pyreverse import PyreverseConfig
+from pylint.testutils.utils import _test_cwd
+
+HERE = Path(__file__)
+TESTS = HERE.parent.parent
 
 
 def _process_classes(classes: list[DiagramEntity]) -> list[tuple[bool, str]]:
@@ -50,7 +54,8 @@ def HANDLER(default_config: PyreverseConfig) -> DiadefsHandler:
 
 @pytest.fixture(scope="module")
 def PROJECT(get_project):
-    return get_project("data")
+    with _test_cwd(TESTS):
+        yield get_project("data")
 
 
 def test_option_values(
@@ -100,15 +105,17 @@ class TestDefaultDiadefGenerator:
         ("specialization", "Specialization", "Ancestor"),
     ]
 
-    def test_exctract_relations(
-        self, HANDLER: DiadefsHandler, PROJECT: Project
-    ) -> None:
+    # https://github.com/PyCQA/pylint/issues/2763
+    @pytest.mark.xfail
+    def test_extract_relations(self, HANDLER: DiadefsHandler, PROJECT: Project) -> None:
         """Test extract_relations between classes."""
         cd = DefaultDiadefGenerator(Linker(PROJECT), HANDLER).visit(PROJECT)[1]
         cd.extract_relationships()
         relations = _process_relations(cd.relationships)
         assert relations == self._should_rels
 
+    # https://github.com/PyCQA/pylint/issues/2763
+    @pytest.mark.xfail
     def test_functional_relation_extraction(
         self, default_config: PyreverseConfig, get_project: Callable
     ) -> None:

tests/pyreverse/test_inspector.py

@@ -9,22 +9,28 @@
 from __future__ import annotations
 
 import os
-from collections.abc import Callable
+from collections.abc import Callable, Generator
+from pathlib import Path
 
 import astroid
 import pytest
 from astroid import nodes
 
 from pylint.pyreverse import inspector
 from pylint.pyreverse.inspector import Project
+from pylint.testutils.utils import _test_cwd
+
+HERE = Path(__file__)
+TESTS = HERE.parent.parent
 
 
 @pytest.fixture
-def project(get_project: Callable) -> Project:
-    project = get_project("data", "data")
-    linker = inspector.Linker(project)
-    linker.visit(project)
-    return project
+def project(get_project: Callable) -> Generator[Project, None, None]:
+    with _test_cwd(TESTS):
+        project = get_project("data", "data")
+        linker = inspector.Linker(project)
+        linker.visit(project)
+        yield project
 
 
 def test_class_implements(project: Project) -> None:

tests/test_self.py

@@ -1042,7 +1042,7 @@ def test_regression_parallel_mode_without_filepath(self) -> None:
         path = join(
             HERE, "regrtest_data", "regression_missing_init_3564", "subdirectory/"
         )
-        self._test_output([path, "-j2"], expected_output="No such file or directory")
+        self._test_output([path, "-j2"], expected_output="")
 
     def test_output_file_valid_path(self, tmpdir: LocalPath) -> None:
         path = join(HERE, "regrtest_data", "unused_variable.py")
@@ -1210,13 +1210,6 @@ def test_max_inferred_for_complicated_class_hierarchy() -> None:
         # Error code should not include bit-value 1 for crash
         assert not ex.value.code % 2
 
-    def test_regression_recursive(self):
-        """Tests if error is raised when linter is executed over directory not using --recursive=y"""
-        self._test_output(
-            [join(HERE, "regrtest_data", "directory", "subdirectory"), "--recursive=n"],
-            expected_output="No such file or directory",
-        )
-
     def test_recursive(self):
         """Tests if running linter over directory using --recursive=y"""
         self._runtest(
@@ -1333,22 +1326,6 @@ def test_ignore_path_recursive_current_dir(self) -> None:
                     code=0,
                 )
 
-    def test_regression_recursive_current_dir(self):
-        with _test_sys_path():
-            # pytest is including directory HERE/regrtest_data to sys.path which causes
-            # astroid to believe that directory is a package.
-            sys.path = [
-                path
-                for path in sys.path
-                if not os.path.basename(path) == "regrtest_data"
-            ]
-            with _test_cwd():
-                os.chdir(join(HERE, "regrtest_data", "directory"))
-                self._test_output(
-                    ["."],
-                    expected_output="No such file or directory",
-                )
-
 
 class TestCallbackOptions:
     """Test for all callback options we support."""