Switch from Travis to GitHub Actions

You need to file paperwork to use Travis with open source projects. Just
use GitHub Actions.

Signed-off-by: Stephen Finucane <stephen@that.guru>

4 files changed, 50 insertions, 45 deletions

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
new file mode 100644
index 0000000..8f3a811
--- /dev/null
+++ b/.github/workflows/ci.yaml
@@ -0,0 +1,47 @@
+---
+name: CI
+on:
+  - push
+  - pull_request
+jobs:
+  test:
+    name: Run unit tests
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python: ['3.7', '3.8', '3.9', '3.10']
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+      - name: Install dependencies
+        run: python -m pip install tox
+      - name: Run unit tests (via tox)
+        # Run tox using the version of Python in `PATH`
+        run: tox -e py
+  release:
+    name: Upload release artifacts
+    runs-on: ubuntu-latest
+    needs: test
+    if: github.event_name == 'push'
+    steps:
+      - name: Checkout source code
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.10'
+      - name: Install dependencies
+        run: python -m pip install build
+      - name: Build a binary wheel and a source tarball
+        run: python -m build --sdist --wheel --outdir dist/ .
+      - name: Publish distribution to PyPI
+        if: startsWith(github.ref, 'refs/tags')
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.PYPI_API_TOKEN }}
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 36e6c62..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-language: python
-python: 3.6
-cache:
-  pip: true
-  directories:
-    - "$TRAVIS_BUILD_DIR/.tox"
-
-stages:
-  - linting
-  - test
-
-install:
-  - pip install tox-travis poetry==1.0.0
-
-script:
-  - tox
-
-jobs:
-  include:
-    - python: 3.5
-    - python: 3.6
-    - python: 3.7
-    - python: 3.8
-      dist: xenial
-      before_script:
-        - pip install coveralls
-      after_success:
-        - coveralls
-
-    - stage: linting
-      python: 3.7
-      dist: xenial
-      install:
-        - pip install -U pre-commit
-      script:
-        - pre-commit run --all-files --verbose
-      env:
-        - PRE_COMMIT_HOME="$TRAVIS_HOME/.cache/pre-commit"
-      cache:
-        pip: true
-        directories:
-          - "$PRE_COMMIT_HOME"
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index a79e927..790c6be 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -3,5 +3,5 @@
 Pull Requests are greatly welcome from everyone! Please make sure to fulfill the following criteria when proposing changes to Warlock:
 
 - Write unit tests, and run them through pytest; test coverage must not decrease
-- Make sure to support Python 2.7 -- 3.7; Travis CI will check all non-EOL version of Python
+- Make sure to test against different Python versions; CI will check all non-EOL version of Python
 - Run flake8 without warnings; including flake8-bugbear plugin
diff --git a/README.md b/README.md
index dd57b2b..8efc66a 100644
--- a/README.md
+++ b/README.md
@@ -6,7 +6,7 @@
 [![PyPI - Python Version](https://img.shields.io/pypi/pyversions/warlock.svg)][warlock]
 [![PyPI - Downloads](https://img.shields.io/pypi/dw/warlock.svg)][pypistats]
 
-[![Build Status](https://travis-ci.org/bcwaldon/warlock.svg?branch=master)][ci-builds]
+[![Build Status](https://github.com/bcwaldon/warlock/actions/workflows/ci.yaml/badge.svg)][ci-builds]
 [![Coverage Status](https://coveralls.io/repos/github/bcwaldon/warlock/badge.svg?branch=master)][coveralls]
 ![GitHub commits since latest release (branch)](https://img.shields.io/github/commits-since/bcwaldon/warlock/latest/master.svg)
 
@@ -78,7 +78,7 @@ pip install warlock
 
 [warlock]: https://pypi.org/project/warlock/
 [pip]: https://pip.pypa.io/en/stable/
-[ci-builds]: https://travis-ci.org/bcwaldon/warlock
+[ci-builds]: https://github.com/bcwaldon/warlock/actions/workflows/ci.yaml
 [coveralls]: https://coveralls.io/github/bcwaldon/warlock?branch=master
 [poetry]: https://poetry.eustace.io/docs/
 [pypistats]: https://pypistats.org/packages/warlock