Migrate CI from Travis to Github actions

Also, update list of supported Python versions.

Author: defanator

.github/workflows/crossplane-ci.yml

@@ -0,0 +1,26 @@
+name: Crossplane CI
+
+on:
+  workflow_dispatch:
+  push:
+    paths-ignore:
+      - '**.md'
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        python-version: ["2.7", "3.6", "3.7", "3.8", "3.9", "3.10", pypy-3.6, pypy-3.7, pypy-3.8, pypy-3.9]
+
+    steps:
+      - uses: actions/checkout@v3
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Run tox under Python ${{ matrix.python-version }}
+        run: |
+          pip install tox
+          tox -e py

.travis.yml

@@ -90,9 +90,8 @@ development.
 Before you submit a pull request, check that it meets these guidelines:
 
 1. The pull request should include tests.
-2. The pull request should work for CPython 2.6, 2.7, 3.3, 3.4, 3.5,
-    3.6, and 3.7 and for PyPy. Check
-    <https://travis-ci.org/nginxinc/crossplane> under pull requests for
+2. The pull request should work for CPython 2.7, 3.6, 3.7, 3.8, 3.9, 3.10, and PyPy. Check
+    <https://github.com/nginxinc/crossplane/actions/workflows/crossplane-ci.yml> under pull requests for
     active pull requests or run the `tox` command and make sure that the
     tests pass for all supported Python versions.
 3. Make sure to add yourself to the Contributors list in AUTHORS.rst :)

CONTRIBUTING.md

@@ -3,7 +3,7 @@
 <h3 align="center">Reliable and fast NGINX configuration file parser and builder</h3>
 
 <p align="center">
-<a href="https://travis-ci.org/nginxinc/crossplane"><img src="https://img.shields.io/travis/nginxinc/crossplane/master.svg"></a>
+<a href="https://github.com/nginxinc/crossplane/actions/workflows/crossplane-ci.yml"><img src="https://github.com/nginxinc/crossplane/actions/workflows/crossplane-ci.yml/badge.svg"></a>
 <a href="https://github.com/nginxinc/crossplane/releases"><img src="https://img.shields.io/github/release/nginxinc/crossplane.svg"></a>
 <a href="https://pypi.python.org/pypi/crossplane"><img src="https://img.shields.io/pypi/l/crossplane.svg"></a>
 <a href="https://pypi.python.org/pypi/crossplane"><img src="https://img.shields.io/pypi/pyversions/crossplane.svg"></a>

README.md

@@ -74,13 +74,13 @@ def run(self):
         'License :: OSI Approved :: Apache Software License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         'Programming Language :: Python :: 2.7',
         'Programming Language :: Python :: 3',
-        'Programming Language :: Python :: 3.4',
-        'Programming Language :: Python :: 3.5',
         'Programming Language :: Python :: 3.6',
         'Programming Language :: Python :: 3.7',
+        'Programming Language :: Python :: 3.8',
+        'Programming Language :: Python :: 3.9',
+        'Programming Language :: Python :: 3.10',
         'Programming Language :: Python :: Implementation :: CPython',
         'Programming Language :: Python :: Implementation :: PyPy'
     ],

setup.py

@@ -11,7 +11,7 @@ addopts = -vv --showlocals --disable-warnings -rf -p no:warnings
 testpaths = tests/
 
 [tox]
-envlist = py26, py27, py34, py35, py36, py37, pypy, py38
+envlist = py27, py36, py37, py38, py39, py310, pypy
 skipsdist = true
 
 [testenv]