Test on GitHub Actions (#596)

* Test on GitHub Actions

* Add 2.7 and 3.5 to GHA

* Remove Travis CI and AppVeyor

* Simplify config

Co-authored-by: Anthony Sottile <asottile@umich.edu>

* Review updates

* Remove redundant line

Co-authored-by: Anthony Sottile <asottile@umich.edu>

.github/workflows/test.yml

@@ -0,0 +1,36 @@
+name: Test
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["2.7", "3.5", "3.6", "3.7", "3.8", "3.9", "pypy2", "pypy3"]
+        os: [ubuntu-latest]
+        # Include py2 + minimum py3 + maximum py3 + pypy + pypy3 on Windows
+        include:
+          - { os: "windows-latest" , python-version: "2.7" }
+          - { os: "windows-latest" , python-version: "3.5" }
+          - { os: "windows-latest" , python-version: "3.9" }
+        exclude:
+          # Currently fails with PyPy 7.3.2, pending 7.3.3+ on GHA:
+          # https://github.com/actions/setup-python/issues/163
+          - { os: "windows-latest" , python-version: "pypy2" }
+          - { os: "windows-latest" , python-version: "pypy3" }
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: python -m pip install -U tox
+
+      - name: Tox tests
+        run: tox -e py

README.rst

@@ -72,13 +72,13 @@ rebase your commits for you.
 
 All changes should include tests and pass flake8_.
 
-.. image:: https://api.travis-ci.org/PyCQA/pyflakes.svg?branch=master
-   :target: https://travis-ci.org/PyCQA/pyflakes
-   :alt: Build status
+.. image:: https://github.com/PyCQA/pyflakes/workflows/Test/badge.svg
+   :target: https://github.com/PyCQA/pyflakes/actions
+   :alt: GitHub Actions build status
 
-.. _Pylint: http://www.pylint.org/
+.. _Pylint: https://www.pylint.org/
 .. _flake8: https://pypi.org/project/flake8/
-.. _`PEP 8`: http://legacy.python.org/dev/peps/pep-0008/
+.. _`PEP 8`: https://www.python.org/dev/peps/pep-0008/
 .. _Pychecker: http://pychecker.sourceforge.net/
 .. _`rebase your changes`: https://git-scm.com/book/en/v2/Git-Branching-Rebasing
 .. _`GitHub pull request`: https://github.com/PyCQA/pyflakes/pulls