Add Python 3.8 and Django 3.0/3.1 support (#341)

Author: rpkilby

.travis.yml

@@ -1,10 +1,11 @@
 language: python
-dist: xenial
+dist: bionic
 
 python:
   - "3.5"
   - "3.6"
   - "3.7"
+  - "3.8"
 
 install:
   - travis_retry pip install -U six setuptools pip wheel
@@ -17,15 +18,15 @@ after_success:
 
 matrix:
   include:
-    - python: "3.7"
+    - python: "3.8"
       env: TOXENV="performance"
       script: tox -- -v 2
-    - python: "3.7"
+    - python: "3.8"
       env: TOXENV="warnings"
-    - python: "3.7"
+    - python: "3.8"
       env: TOXENV="isort,lint"
 
-    - python: "3.7"
+    - python: "3.8"
       env: TOXENV="dist"
       script:
         - python setup.py bdist_wheel

README.rst

@@ -55,10 +55,10 @@ Features
 Requirements
 ------------
 
-* **Python**: 3.4, 3.5, 3.6, 3.7
-* **Django**: 1.11, 2.0, 2.1, 2.2
+* **Python**: 3.4, 3.5, 3.6, 3.7, 3.8
+* **Django**: 1.11, 2.0, 2.1, 2.2, 3.0, 3.1
 * **DRF**: 3.10
-* **django-filter**: 2.0
+* **django-filter**: 2.1, 2.2 (Django 2.0+)
 
 
 Installation

setup.cfg

@@ -1,6 +1,7 @@
 [coverage:run]
 branch = True
 source = .
+omit = .venv/*,.tox/*
 
 [coverage:report]
 include = rest_framework_filters/*

tox.ini

@@ -4,6 +4,8 @@ envlist =
     py{35,36,37}-django20,
     py{35,36,37}-django21,
     py{35,36,37}-django22,
+    py{36,37,38}-django30,
+    py{36,37,38}-django31,
     performance, warnings, isort, lint, dist,
 
 [travis]
@@ -15,13 +17,16 @@ envdir = {toxworkdir}/venvs/{envname}
 setenv =
     PYTHONDONTWRITEBYTECODE=1
 deps =
-    coverage>=4.0
+    coverage>=5.0
     django-crispy-forms~=1.0
-    djangorestframework~=3.10.0
+    djangorestframework~=3.11.0
+    django111: django-filter~=2.1.0
     django111: django~=1.11.0
     django20: django~=2.0.0
     django21: django~=2.1.0
     django22: django~=2.2.0
+    django30: django~=3.0.0
+    django31: django~=3.1.0
 
 
 [testenv:performance]