Move builds to GitHub actions

.github/workflows/tests.yml

@@ -0,0 +1,52 @@
+name: build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+jobs:
+  lint:
+    name: lint
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - run: python -m pip install --upgrade pip wheel
+      - run: pip install tox tox-gh-actions
+      - run: tox -eflake8
+      - run: tox -edocs
+  tests:
+    name: tests
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python: ['3.6', '3.7', '3.8', '3.9', 'pypy3']
+        exclude:
+          # pypy3 currently fails to run on Windows
+          - os: windows-latest
+            python: pypy3
+          # the loop fails to close in the Mac version of 3.9
+          - os: macos-latest
+            python: '3.9'
+      fail-fast: false
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python }}
+      - run: python -m pip install --upgrade pip wheel
+      - run: pip install tox tox-gh-actions
+      - run: tox
+  coverage:
+    name: coverage
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - run: python -m pip install --upgrade pip wheel
+      - run: pip install tox tox-gh-actions codecov
+      - run: tox
+      - run: codecov

README.md

@@ -1,7 +1,7 @@
 Flask-SocketIO
 ==============
 
-[![Build Status](https://travis-ci.org/miguelgrinberg/Flask-SocketIO.png?branch=master)](https://travis-ci.org/miguelgrinberg/Flask-SocketIO)
+[![Build status](https://github.com/miguelgrinberg/flask-socketio/workflows/build/badge.svg)](https://github.com/miguelgrinberg/Flask-SocketIO/actions) [![codecov](https://codecov.io/gh/miguelgrinberg/flask-socketio/branch/master/graph/badge.svg)](https://codecov.io/gh/miguelgrinberg/flask-socketio)
 
 Socket.IO integration for Flask applications.
 

tox.ini

@@ -0,0 +1,31 @@
+[tox]
+envlist=flake8,py36,py37,py38,py39,pypy3,docs
+skip_missing_interpreters=True
+
+[gh-actions]
+python =
+    3.6: py36
+    3.7: py37
+    3.8: py38
+    3.9: py39
+    pypy3: pypy3
+
+[testenv]
+commands=
+    python setup.py test
+
+[testenv:flake8]
+deps=
+    six
+    flake8
+commands=
+    flake8 --exclude=".*" --ignore=W503,E402,E722 flask_socketio test_socketio.py
+
+[testenv:docs]
+changedir=docs
+deps=
+    sphinx
+whitelist_externals=
+    make
+commands=
+    make html