Set Python 3.10 as minimum version

.github/workflows/release.yml

@@ -18,10 +18,10 @@ jobs:
       TOXENV: pkg
 
     steps:
-      - name: Switch to using Python 3.9 by default
+      - name: Switch to using Python 3.10 by default
         uses: actions/setup-python@v5
         with:
-          python-version: 3.9
+          python-version: 3.10
 
       - name: Install tox
         run: python3 -m pip install --user "tox>=4.0.0"

.github/workflows/tox.yml

@@ -28,8 +28,9 @@ jobs:
         id: generate_matrix
         uses: coactions/dynamic-matrix@v1
         with:
-          min_python: "3.9"
+          min_python: "3.10"
           max_python: "3.12"
+          default_python: "3.10" # used by jobs in other_names
           other_names: |
             lint
             docs
@@ -81,12 +82,12 @@ jobs:
           && virtualenv foo \
           && source foo/bin/activate \
           && ansible --version
-      - name: Set up Python ${{ matrix.python_version || '3.9' }}
+      - name: Set up Python ${{ matrix.python_version || '3.10' }}
         if: "!contains(matrix.shell, 'wsl')"
         uses: actions/setup-python@v5
         with:
           cache: pip
-          python-version: ${{ matrix.python_version || '3.9' }}
+          python-version: ${{ matrix.python_version || '3.10' }}
 
       - name: Install tox
         run: |

.pre-commit-config.yaml

@@ -3,7 +3,7 @@ ci:
   skip:
     - ansible-lint
 default_language_version:
-  python: python3.9
+  python: python3.10
 repos:
   - repo: https://github.com/pre-commit/mirrors-prettier
     # keep it before yamllint

docs/ci.md

@@ -22,7 +22,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ["3.9", "3.10"]
+        python-version: ["3.10", "3.11"]
 
     steps:
       - uses: actions/checkout@v2
@@ -187,7 +187,7 @@ steps:
 
   - task: UsePythonVersion@0
     inputs:
-      versionSpec: "3.9"
+      versionSpec: "3.10"
 
   - script: python -m pip install "molecule[lint]" "python-vagrant" "molecule-vagrant" "ansible"
     displayName: Install dependencies

docs/installation.md

@@ -9,7 +9,7 @@ Molecule.
 Depending on the driver chosen, you may need to install additional OS
 packages.
 
-- Python >= 3.9 with ansible-core >= 2.12
+- Python >= 3.10 with ansible-core >= 2.12
 
 === "CentOS"
 

pyproject.toml

@@ -8,7 +8,7 @@ build-backend = "setuptools.build_meta"
 
 [project]
 # https://peps.python.org/pep-0621/#readme
-requires-python = ">=3.9"
+requires-python = ">=3.10"
 dynamic = ["version", "dependencies", "optional-dependencies"]
 name = "molecule"
 description = "Molecule aids in the development and testing of Ansible roles"
@@ -26,7 +26,6 @@ classifiers = [
   "Operating System :: MacOS",
   "Operating System :: POSIX",
   "Programming Language :: Python :: 3",
-  "Programming Language :: Python :: 3.9",
   "Programming Language :: Python :: 3.10",
   "Programming Language :: Python :: 3.11",
   "Programming Language :: Python :: 3.12",
@@ -77,7 +76,7 @@ profile = "black"
 known_first_party = "molecule"
 
 [tool.mypy]
-python_version = 3.9
+python_version = 3.10
 # strict = true
 color_output = true
 error_summary = true
@@ -206,7 +205,7 @@ ignore = [
   "TRY",
 ]
 select = ["ALL"]
-target-version = "py39"
+target-version = "py310"
 # Same as Black.
 line-length = 88
 

runtime.txt

@@ -1,2 +1,2 @@
 # See https://github.com/dependabot/dependabot-core/issues/4062
-python-3.9.11
+python-3.10.13

src/molecule/command/base.py

@@ -26,7 +26,8 @@
 import os
 import shutil
 import subprocess
-from typing import Any, Callable
+from collections.abc import Callable
+from typing import Any
 
 import click
 import wcmatch.pathlib

src/molecule/logger.py

@@ -22,9 +22,8 @@
 import logging
 import os
 import time
-from collections.abc import Iterable
+from collections.abc import Callable, Iterable
 from functools import wraps
-from typing import Callable
 
 from ansible_compat.ports import cache
 from enrich.logging import RichHandler

src/molecule/util.py

@@ -357,7 +357,7 @@ def boolean(value: Any, strict=True) -> bool:
         return value
 
     normalized_value = value
-    if isinstance(value, (str, bytes)):
+    if isinstance(value, str | bytes):
         normalized_value = str(value).lower().strip()
 
     if normalized_value in BOOLEANS_TRUE:

test/conftest.py

@@ -38,7 +38,7 @@ def is_subset(subset, superset):
             for key, val in subset.items()
         )
 
-    if isinstance(subset, (list, set)):
+    if isinstance(subset, list | set):
         return all(
             any(is_subset(subitem, superitem) for superitem in superset)
             for subitem in subset

tox.ini

@@ -68,7 +68,7 @@ allowlist_externals =
 [testenv:lint]
 description = Runs all linting tasks
 # python pinned in order to have pip-compile output reproducible
-basepython = python3.9
+basepython = python3.10
 commands =
     # to run a single linter you can do "pre-commit run flake8"
     python -m pre_commit run {posargs:--all --show-diff-on-failure}