Fix

Signed-off-by: Bernát Gábor <bgabor8@bloomberg.net>

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
     rev: "0.12.1"
     hooks:
       - id: pyproject-fmt
-        additional_dependencies: ["tox>=4.6.1"]
+        additional_dependencies: ["tox>=4.6.3"]
   - repo: https://github.com/pre-commit/mirrors-prettier
     rev: "v3.0.0-alpha.9-for-vscode"
     hooks:

docs/tox_conf.py

@@ -1,6 +1,6 @@
 from __future__ import annotations
 
-from typing import TYPE_CHECKING, cast
+from typing import TYPE_CHECKING, Any, ClassVar, cast
 
 from docutils.nodes import Element, Node, Text, container, fully_normalize_name, literal, paragraph, reference, strong
 from docutils.parsers.rst.directives import flag, unchanged, unchanged_required
@@ -11,6 +11,8 @@
 from sphinx.util.logging import getLogger
 
 if TYPE_CHECKING:
+    from typing import Final
+
     from docutils.parsers.rst.states import RSTState, RSTStateMachine
 
 LOGGER = getLogger(__name__)
@@ -19,7 +21,7 @@
 class ToxConfig(SphinxDirective):
     name = "conf"
     has_content = True
-    option_spec = {
+    option_spec: Final[ClassVar[dict[str, Any]]] = {
         "keys": unchanged_required,
         "version_added": unchanged,
         "version_changed": unchanged,

pyproject.toml

@@ -52,10 +52,10 @@ dependencies = [
   "chardet>=5.1",
   "colorama>=0.4.6",
   "filelock>=3.12.2",
-  'importlib-metadata>=6.6; python_version < "3.8"',
+  'importlib-metadata>=6.7; python_version < "3.8"',
   "packaging>=23.1",
-  "platformdirs>=3.5.3",
-  "pluggy>=1",
+  "platformdirs>=3.8",
+  "pluggy>=1.2",
   "pyproject-api>=1.5.2",
   'tomli>=2.0.1; python_version < "3.11"',
   'typing-extensions>=4.6.3; python_version < "3.8"',
@@ -82,7 +82,7 @@ optional-dependencies.testing = [
   "hatch-vcs>=0.3",
   "hatchling>=1.17.1",
   "psutil>=5.9.5",
-  "pytest>=7.3.2",
+  "pytest>=7.4",
   "pytest-cov>=4.1",
   "pytest-mock>=3.11.1",
   "pytest-xdist>=3.3.1",

src/tox/config/cli/ini.py

@@ -5,20 +5,23 @@
 import os
 from configparser import ConfigParser
 from pathlib import Path
-from typing import Any
+from typing import TYPE_CHECKING, Any, ClassVar
 
 from platformdirs import user_config_dir
 
 from tox.config.loader.api import ConfigLoadArgs
 from tox.config.loader.ini import IniLoader
 from tox.config.source.ini_section import CORE
 
+if TYPE_CHECKING:
+    from typing import Final
+
 DEFAULT_CONFIG_FILE = Path(user_config_dir("tox")) / "config.ini"
 
 
 class IniConfig:
     TOX_CONFIG_FILE_ENV_VAR = "TOX_USER_CONFIG_FILE"
-    STATE = {None: "failed to parse", True: "active", False: "missing"}
+    STATE: Final[ClassVar[dict[bool | None], str]] = {None: "failed to parse", True: "active", False: "missing"}
 
     def __init__(self) -> None:
         config_file = os.environ.get(self.TOX_CONFIG_FILE_ENV_VAR, None)

src/tox/config/loader/str_convert.py

@@ -5,11 +5,14 @@
 import sys
 from itertools import chain
 from pathlib import Path
-from typing import Any, Iterator
+from typing import TYPE_CHECKING, Any, Iterator
 
 from tox.config.loader.convert import Convert
 from tox.config.types import Command, EnvList
 
+if TYPE_CHECKING:
+    from typing import Final
+
 
 class StrConvert(Convert[str]):
     """A class converting string values to tox types."""
@@ -111,8 +114,8 @@ def to_env_list(value: str) -> EnvList:
         elements = list(chain.from_iterable(extend_factors(expr) for expr in value.split("\n")))
         return EnvList(elements)
 
-    TRUTHFUL_VALUES = {"true", "1", "yes", "on"}
-    FALSE_VALUES = {"false", "0", "no", "off", ""}
+    TRUTHFUL_VALUES: Final[set[str]] = {"true", "1", "yes", "on"}
+    FALSE_VALUES: Final[set[str]] = {"false", "0", "no", "off", ""}
     VALID_BOOL = sorted(TRUTHFUL_VALUES | FALSE_VALUES)
 
     @staticmethod

src/tox/report.py

@@ -8,10 +8,13 @@
 from io import BytesIO, TextIOWrapper
 from pathlib import Path
 from threading import Thread, current_thread, enumerate, local
-from typing import IO, Iterator, Tuple
+from typing import IO, TYPE_CHECKING, ClassVar, Iterator, Tuple
 
 from colorama import Fore, Style, init
 
+if TYPE_CHECKING:
+    from typing import Final
+
 LEVELS = {
     0: logging.CRITICAL,
     1: logging.ERROR,
@@ -29,7 +32,7 @@
 class _LogThreadLocal(local):
     """A thread local variable that inherits values from its parent."""
 
-    _ident_to_data: dict[int | None, str] = {}
+    _ident_to_data: Final[ClassVar[dict[int | None, str]]] = {}
 
     def __init__(self, out_err: OutErr) -> None:
         self.name = self._ident_to_data.get(getattr(current_thread(), "parent_ident", None), "ROOT")

src/tox/tox_env/python/pip/req_file.py

@@ -8,12 +8,13 @@
 if TYPE_CHECKING:
     from argparse import ArgumentParser, Namespace
     from pathlib import Path
+    from typing import Final
 
 
 class PythonDeps(RequirementsFile):
     # these options are valid in requirements.txt, but not via pip cli and
     # thus cannot be used in the testenv `deps` list
-    _illegal_options = ["hash"]
+    _illegal_options: Final[list[str]] = ["hash"]
 
     def __init__(self, raw: str, root: Path) -> None:
         super().__init__(root / "tox.ini", constraint=False)

src/tox/util/spinner.py

@@ -13,12 +13,13 @@
 
 if TYPE_CHECKING:
     from types import TracebackType
+    from typing import Any, ClassVar, Final
 
 if sys.platform == "win32":  # pragma: win32 cover
     import ctypes
 
     class _CursorInfo(ctypes.Structure):
-        _fields_ = [("size", ctypes.c_int), ("visible", ctypes.c_byte)]
+        _fields_: Final[ClassVar[list[tuple[str, Any]]]] = [("size", ctypes.c_int), ("visible", ctypes.c_byte)]
 
 
 def _file_support_encoding(chars: Sequence[str], file: IO[str]) -> bool:
@@ -47,8 +48,8 @@ class Outcome(NamedTuple):
 class Spinner:
     CLEAR_LINE = "\033[K"
     max_width = 120
-    UNICODE_FRAMES = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
-    ASCII_FRAMES = ["|", "-", "+", "x", "*"]
+    UNICODE_FRAMES: Final[ClassVar[list[str]]] = ["⠋", "⠙", "⠹", "⠸", "⠼", "⠴", "⠦", "⠧", "⠇", "⠏"]
+    ASCII_FRAMES: Final[ClassVar[list[str]]] = ["|", "-", "+", "x", "*"]
     UNICODE_OUTCOME = Outcome(ok="✔", fail="✖", skip="⚠")
     ASCII_OUTCOME = Outcome(ok="+", fail="!", skip="?")
 

tox.ini

@@ -52,7 +52,7 @@ commands =
 [testenv:type]
 description = run type check on code base
 deps =
-    mypy==1.3
+    mypy==1.4.1
     types-cachetools>=5.3.0.5
     types-chardet>=5.0.4.6
 commands =