Move from Travis CI to Github actions

.github/workflows/ci.yml

@@ -0,0 +1,63 @@
+---
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+env:
+  FORCE_COLOR: "1" # Make tools pretty.
+  PIP_DISABLE_PIP_VERSION_CHECK: "1"
+  PIP_NO_PYTHON_VERSION_WARNING: "1"
+
+jobs:
+  build-package:
+    name: Build & verify package
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - uses: hynek/build-and-inspect-python-package@v1
+
+  tests:
+    name: tox on ${{ matrix.python-version }}
+    needs: build-package
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version:
+          - '3.8'
+          - '3.9'
+          - '3.10'
+          - '3.11'
+          - '3.12'
+
+    steps:
+      - name: Download pre-built packages
+        uses: actions/download-artifact@v3
+        with:
+          name: Packages
+          path: dist
+      - run: tar xf dist/*.tar.gz --strip-components=1  # needed for config files
+
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
+          cache: pip
+
+      - name: Install dependencies
+        run: |
+          python -VV
+          python -m site
+          python -m pip install --upgrade pip setuptools wheel
+          python -m pip install --upgrade coverage[toml] tox tox-gh-actions          
+
+      - name: Run tox targets for ${{ matrix.python-version }}
+        run: python -m tox

setup.py

@@ -74,6 +74,7 @@ def find_meta(meta):
         maintainer_email=find_meta("email"),
         keywords=KEYWORDS,
         long_description=read("README.rst"),
+        long_description_content_type="text/x-rst",
         packages=PACKAGES,
         package_dir={"": "src"},
         zip_safe=False,

tox.ini

@@ -24,12 +24,6 @@ commands =
     python -m doctest README.rst
 
 
-[testenv:manifest]
-deps = check-manifest
-skip_install = true
-commands = check-manifest
-
-
 [testenv:readme]
 deps = readme_renderer
 skip_install = true
@@ -49,3 +43,10 @@ commands =
     coverage combine
     coverage report
 
+
+[gh-actions]
+python =
+    3.6: py36
+    3.7: py37, docs
+    3.8: py38, lint, manifest
+    pypy3: pypy3