chore: migrate from travis to github ci

.flake8

@@ -1,7 +1,9 @@
 [flake8]
 max-line-length = 88
 exclude = 
-    *migrations*,
+    *migrations*
     *venv*
     virtualenv
     docs
+    .tox
+    isort*

.github/workflows/test.yml

@@ -0,0 +1,38 @@
+name: Linter & Tests
+
+on: [push, pull_request]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      max-parallel: 5
+      matrix:
+        python-version: ['3.5', '3.6', '3.7', '3.8', '3.9']
+
+    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 --upgrade pip
+        pip install tox tox-gh-actions flake8 codecov
+
+    - name: Lint with flake8
+      run: |
+        # stop the build if there are Python syntax errors or undefined names
+        flake8 . --count
+
+    - name: Run tox tests
+      run: |
+        # run tests with coverage
+        tox
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v1

MANIFEST.in

@@ -0,0 +1,3 @@
+include README.md
+include LICENSE
+include CONTRIBUTORS

docs/source/conf.py

@@ -12,6 +12,7 @@
 #
 import os
 import sys
+
 import django
 
 # I've simplified this a little to use append instead of insert.

setup.py

@@ -5,10 +5,13 @@
 
 ## Docs & Example Usage: https://github.com/eshaan7/django-rest-durin
 """
+import os
+
 from setuptools import find_packages, setup
 
 # Get the long description from the relevant file
-with open("README.md", encoding="utf-8") as f:
+here = os.path.abspath(os.path.dirname(__file__))
+with open(os.path.join(here, "README.md"), encoding="utf-8") as f:
     long_description = f.read()
 
 GITHUB_URL = "https://github.com/eshaan7/django-rest-durin"

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    isort
+    isort,
     flake8,
     py{35,36,37,38,39}-django22,
     py{36,37,38,39}-django30
@@ -36,6 +36,14 @@ deps =
     twine
     wheel
 
+[gh-actions]
+python =
+    3.5: py35
+    3.6: py36
+    3.7: py37
+    3.8: py38
+    3.9: py39, isort, flake8
+
 # Configuration for coverage and flake8 is being set in `./setup.cfg`
 [testenv:codecov]
 passenv = TOXENV CI TRAVIS TRAVIS_* CODECOV_*