Update Python support matrix

Also add pyupgrade + update GHA config more generally.

Author: sirosen

.github/workflows/build.yaml

@@ -5,36 +5,42 @@ on:
 
 jobs:
   mypy:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.12"
-      - run: python -m pip install tox
+          python-version: "3.14"
+      - run: python -m pip install tox tox-uv
       - run: python -m tox -e mypy
 
   check-pacakge-build:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
-          python-version: "3.12"
-      - run: python -m pip install tox
+          python-version: "3.14"
+      - run: python -m pip install tox tox-uv
       - run: python -m tox -e twine-check
 
   test:
     strategy:
       matrix:
-        os: [windows-latest, macos-latest, ubuntu-latest]
-        py: ['3.8', '3.12']
-    name: "Run Tests on ${{ matrix.os }}, py${{ matrix.py }}"
-    runs-on: ${{ matrix.os }}
+        os:
+          - name: Windows
+            runner: windows-latest
+          - name: macOS
+            runner: macos-latest
+          - name: Linux
+            runner: ubuntu-latest
+        py: ['3.10', '3.11', '3.12', '3.13', '3.14']
+    name: "Test py${{ matrix.py }} (${{ matrix.os.name }})"
+    runs-on: ${{ matrix.os.runner }}
     steps:
       - uses: actions/checkout@v6
       - uses: actions/setup-python@v6
         with:
           python-version: ${{ matrix.py }}
-      - run: python -m pip install tox
+      - run: python -m pip install tox tox-uv
       - run: python -m tox -e py

.pre-commit-config.yaml

@@ -29,6 +29,11 @@ repos:
   rev: 7.0.0
   hooks:
     - id: isort
+- repo: https://github.com/asottile/pyupgrade
+  rev: v3.19.1
+  hooks:
+    - id: pyupgrade
+      args: ["--py310-plus"]
 - repo: local
   hooks:
     - id: check-hook-name-length

README.md

@@ -218,6 +218,9 @@ following sample config:
 
 <!-- bumpversion-changelog -->
 
+- Support Python 3.14
+- Remove support for Python 3.8 and 3.9
+
 ### 0.7.1
 
 - The output format when `--show-changes` is passed to hooks has changed

pyproject.toml

@@ -6,7 +6,7 @@ build-backend = "flit_core.buildapi"
 
 [project]
 name = "texthooks"
-requires-python = ">=3.8"
+requires-python = ">=3.10"
 version = "0.7.1"
 description = "pre-commit fixers and linters for handling text files"
 readme = "README.md"
@@ -19,11 +19,11 @@ classifiers = [
     "Intended Audience :: Developers",
     "License :: OSI Approved :: Apache Software License",
     "Programming Language :: Python",
-    "Programming Language :: Python :: 3.8",
-    "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
+    "Programming Language :: Python :: 3.14",
 ]
 
 dependencies = ["identify>=2.0,<3.0"]

src/texthooks/_recorders.py

@@ -50,7 +50,7 @@ def _determine_encoding() -> str:
 
 
 def _readlines(filename: str, encoding: str) -> t.List[str]:
-    with open(filename, "r", encoding=encoding) as f:
+    with open(filename, encoding=encoding) as f:
         return f.readlines()