Add CI

.travis.yml

@@ -0,0 +1,39 @@
+language: python
+matrix:
+    include:
+        - os: linux
+          python: 3.6
+        - os: linux
+          language: generic
+          env: PYTHON="3.7" MINICONDA_OS="Linux"
+        - os: linux
+          python: nightly
+        - os: osx
+          language: generic
+          env: PYTHON="3.6" MINICONDA_OS="MacOSX"
+        - os: osx
+          language: generic
+          env: PYTHON="3.7" MINICONDA_OS="MacOSX"
+    allow_failures:
+        - python: "nightly"
+
+before_install:
+  - if [[ $MINICONDA_OS ]]; then
+      URL="https://repo.continuum.io/miniconda/Miniconda3-latest-${MINICONDA_OS}-x86_64.sh";
+      wget "${URL}" -O miniconda.sh;
+      bash miniconda.sh -b -p $HOME/miniconda;
+      export PATH="$HOME/miniconda/bin:$PATH";
+      hash -r;
+      conda config --set always_yes yes --set changeps1 no;
+      conda update -q conda;
+      conda info -a;
+      conda create -q -n test-environment python=$PYTHON;
+      source activate test-environment;
+    fi;
+
+install:
+  - pip install -e .;
+  - pip install pytest;
+
+script:
+  - pytest

appveyor.yml

@@ -0,0 +1,15 @@
+environment:
+
+  matrix:
+    # https://www.appveyor.com/docs/windows-images-software/#python
+    - PYTHON: "C:\\Python36"
+    - PYTHON: "C:\\Python37"
+    - PYTHON: "C:\\Python36-x64"
+    - PYTHON: "C:\\Python37-x64"
+
+install:
+  -  '%PYTHON%\Scripts\pip install -e .'
+  -  '%PYTHON%\Scripts\pip install pytest'
+build: off
+test_script:
+  - '%PYTHON%\Scripts\pytest'

setup.py

@@ -1,18 +1,24 @@
 from setuptools import setup
+import sys
 
 
 def readme():
     with open('README.md') as file:
         return file.read()
 
+backports = []
+
+if sys.version_info < (3, 7):
+    backports += ['dataclasses']
+
 setup(
     name='ppb',
     version='0.3.0',
     packages=['ppb'],
     install_requires=[
         'pygame',
         'ppb-vector',
-    ],
+    ] + backports,
     url='https://github.com/pathunstrom/pursuedpybear',
     license='',
     author='Piper Thunstrom',