Linting; drop Py 3.10; enable dependabot

.github/dependabot.yml

@@ -0,0 +1,10 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    groups:
+      github-actions:
+        patterns:
+          - "*"
+    schedule:
+      interval: "weekly"

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.10"]
+        python-version: ["3.14"]
         toxenv: [black, ruff, mypy]
     steps:
     - uses: actions/checkout@v6
@@ -34,28 +34,28 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        python-version: ["3.10", "3.11", "3.12", "3.13", "3.14", "3.14t"]
+        python-version: ["3.11", "3.12", "3.13", "3.14", "3.14t"]
         optional-deps: [true]
         with-libs: [true]
         include:
         - os: macos-latest
-          python-version: "3.10"
+          python-version: "3.14"
           optional-deps: true
         - os: ubuntu-latest
-          python-version: "3.10"
+          python-version: "3.14"
           with-libs: false
           optional-deps: false
         - os: ubuntu-latest
-          python-version: "3.10"
+          python-version: "3.14"
           with-libs: false
           optional-deps: true
         - os: ubuntu-latest
-          python-version: "3.10"
+          python-version: "3.14"
           optional-deps: false
           with-libs: false
           with-zstandard: true
         - os: windows-latest
-          python-version: "3.10"
+          python-version: "3.14"
     steps:
     - name: Install optional tools macOS
       if: runner.os == 'macOS' && matrix.optional-deps
@@ -88,7 +88,7 @@ jobs:
       if: matrix.os == 'ubuntu-latest' && matrix.python-version == '3.10' && matrix.optional-deps && matrix.with-libs
       run: tox run -e lz4
     - name: Upload coverage report
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v7
 
   deploy:
     timeout-minutes: 10
@@ -102,7 +102,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v6
       with:
-        python-version: "3.10"
+        python-version: "3.14"
     - name: Make distributions
       run: |
         python -m pip install build

.pre-commit-config.yaml

@@ -5,6 +5,6 @@ repos:
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
 -   repo: https://github.com/psf/black
-    rev: 22.3.0
+    rev: 26.10.0
     hooks:
     -   id: black

README.rst

@@ -187,6 +187,15 @@ the ``compression.zstd`` module in the standard library is used.
 Changelog
 ---------
 
+development version
+~~~~~~~~~~~~~~~~~~~
+
+* #181/#168: Added lz4 as supported compression format.
+  Contributed by @Dev-iL and @gnzsnz.
+* PipedCompressionReader no longer has seek/tell methods. This only worked
+  on Windows before (and only sometimes).
+* Dropped support for Python 3.10
+
 v2.1.0 (2026-06-03)
 ~~~~~~~~~~~~~~~~~~~
 

pyproject.toml

@@ -15,7 +15,7 @@ classifiers = [
     "Development Status :: 5 - Production/Stable",
     "Programming Language :: Python :: 3"
 ]
-requires-python = ">=3.10"
+requires-python = ">=3.11"
 dynamic = ["version"]
 dependencies = [
     'isal>=1.6.1; platform.machine == "x86_64" or platform.machine == "AMD64" or platform.machine == "aarch64"',
@@ -35,7 +35,12 @@ zstd = []  # Leave this in here for backwards compatibility (Zstandard support u
 write_to = "src/xopen/_version.py"
 
 [tool.ruff.lint]
-select = ["E4", "E7", "E9", "F"]
+ignore = [
+    "B008",    # Do not perform function call `_ProgramSettings` in argument defaults; instead, perform the call within the function, or read the default from a module-level singleton variable
+    "C408",    # Unnecessary `dict()` call (rewrite as a literal)
+    "SIM115",  # Use a context manager for opening files
+    "SIM117",  # Use a single `with` statement with multiple contexts instead of nested `with` statements
+]
 
 [tool.pytest.ini_options]
 addopts = "--strict-markers"