switch from Travis to GH actions

.github/workflows/main.yml

@@ -0,0 +1,68 @@
+name: Tests
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        include: 
+          - python-version: "2.7"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "2.7"
+            env:
+              TOXENV: "json"
+          - python-version: "pypy3"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "pypy3"
+            env:
+              TOXENV: "json"
+
+          - python-version: "3.6"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "3.6"
+            env:
+              TOXENV: "json"
+          - python-version: "3.7"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "3.7"
+            env:
+              TOXENV: "json"
+          - python-version: "3.8"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "3.8"
+            env:
+              TOXENV: "json"
+          - python-version: "3.9"
+            env:
+              TOXENV: "msgpack"
+          - python-version: "3.9"
+            env:
+              TOXENV: "json"
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Run tests
+      env: ${{ matrix.env }}
+      run: |
+        pip install -U tox
+        tox
+
+    - name: Upload to codecov
+      uses: codecov/codecov-action@v2

.github/workflows/publish.yml

@@ -0,0 +1,26 @@
+name: Publish
+on: 
+  release:
+    types: [published]
+
+jobs:
+  publish:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Set up Python 3
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3
+
+    - name: Build distribution
+      run: |
+        pip install -U setuptools wheel
+        python setup.py sdist bdist_wheel
+
+    - name: Publish to PyPI
+      uses: pypa/gh-action-pypi-publish@release/v1
+      with:
+        password: ${{ secrets.PYPI_TOKEN }}

tox.ini

@@ -4,12 +4,12 @@
 # and then run "tox" from this directory.
 
 [tox]
-envlist = py{27,py,35,36,37}-{json,msgpack}
+envlist = py{36,py3,37,38,39}-{json,msgpack}
 
 [testenv]
 deps =
     -r{toxinidir}/requirements-base.txt
     -r{toxinidir}/requirements-test.txt
     msgpack: -r{toxinidir}/requirements.txt
     pypy-msgpack: -r{toxinidir}/requirements-pypy.txt
-commands = py.test --cov=scrapinghub --cov-report=
+commands = py.test --cov=scrapinghub --cov-report=xml