Use PyPI GitHub Action to publish releases (#181)

* Use GitHub Action to publish releases and run tests in Python version matrices
* Drop support for Python 2
* Use Ruff for formatting & linting

Closes #176

.github/workflows/pypi-release.yml

@@ -0,0 +1,38 @@
+name: "PyPI releases"
+
+on: release
+
+jobs:
+    build_sdist:
+        name: Build Python source distribution
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v3
+
+            - name: Build sdist
+              run: pipx run build --sdist
+
+            - uses: actions/upload-artifact@v3
+              with:
+                  path: dist/*.tar.gz
+
+    pypi-publish:
+        name: Upload release to PyPI
+        if: github.event_name == 'release' && github.event.action == 'published'
+        needs:
+            - build_sdist
+        runs-on: ubuntu-latest
+        environment:
+            name: pypi
+            url: https://pypi.org/p/bagit
+        permissions:
+            id-token: write
+        steps:
+            - uses: actions/download-artifact@v3
+              with:
+                  # unpacks default artifact into dist/
+                  # if `name: artifact` is omitted, the action will create extra parent dir
+                  name: artifact
+                  path: dist
+            - name: Publish package distributions to PyPI
+              uses: pypa/gh-action-pypi-publish@release/v1

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: Test
+
+on:
+    push:
+        branches: [master]
+    pull_request:
+        branches: [master]
+
+jobs:
+    ruff: # https://docs.astral.sh/ruff
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - run: pip install --user ruff
+            - run: ruff check --output-format=github
+
+    test:
+        needs: ruff
+        runs-on: ubuntu-latest
+        strategy:
+            fail-fast: false
+            matrix:
+                python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        steps:
+            - uses: actions/checkout@v4
+            - name: Set up Python ${{ matrix.python-version }}
+              uses: actions/setup-python@v5
+              with:
+                  python-version: ${{ matrix.python-version }}
+            - name: Install dependencies
+              run: |
+                  python -m pip install --upgrade pip setuptools wheel
+                  pip install coverage
+                  pip install --editable .
+            - name: Run test
+              run: python -m unittest discover

.pre-commit-config.yaml

@@ -0,0 +1,36 @@
+exclude: ".*test-data.*"
+
+repos:
+    - repo: https://github.com/astral-sh/ruff-pre-commit
+      rev: v0.6.9
+      hooks:
+          - id: ruff
+            args: [--fix, --exit-non-zero-on-fix]
+          - id: ruff-format
+
+    - repo: https://github.com/pre-commit/pre-commit-hooks
+      rev: v5.0.0
+      hooks:
+          - id: check-added-large-files
+            args: ["--maxkb=128"]
+          - id: check-ast
+          - id: check-byte-order-marker
+          - id: check-case-conflict
+          - id: check-docstring-first
+          - id: check-executables-have-shebangs
+          - id: check-json
+          - id: check-merge-conflict
+          - id: check-symlinks
+          - id: check-xml
+          - id: check-yaml
+            args: ["--unsafe"]
+          - id: debug-statements
+          - id: detect-aws-credentials
+            args: ["--allow-missing-credentials"]
+          - id: detect-private-key
+          - id: end-of-file-fixer
+          - id: mixed-line-ending
+            args: ["--fix=lf"]
+          - id: trailing-whitespace
+          - id: pretty-format-json
+            args: ["--autofix", "--no-sort-keys", "--indent=4"]

Dockerfile

@@ -1,4 +1,4 @@
-FROM python:3.6
+FROM python:3.11
 RUN useradd --user-group bagit-tester
 RUN install -d -o bagit-tester /bagit
 USER bagit-tester

MANIFEST.in

@@ -1,7 +1,6 @@
 prune test-data
 exclude .*
 exclude Dockerfile
-exclude tox.ini
 exclude MANIFEST.in
 exclude test.py
 exclude bench.py

README.rst

@@ -16,7 +16,7 @@ project as needed or you can install globally with:
 
     pip install bagit
 
-Python v2.7+ is required.
+A supported version of Python 3 is required.
 
 Command Line Usage
 ------------------
@@ -226,20 +226,11 @@ Contributing to bagit-python development
 Running the tests
 ~~~~~~~~~~~~~~~~~
 
-You can quickly run the tests by having setuptools install dependencies:
+You can quickly run the tests using the built-in unittest framework:
 
 ::
 
-    python setup.py test
-
-Once your code is working, you can use
-`Tox <https://tox.readthedocs.io/>`__ to run the tests with every
-supported version of Python which you have installed on the local
-system:
-
-::
-
-    tox
+    python -m unittest discover
 
 If you have Docker installed, you can run the tests under Linux inside a
 container: