Add CI builds for Python 3.8 (#150)

Set the metadata flags on `setup.py` to include 3.8 and specify that
it's Python 3 only.

.azure-pipelines.yml

@@ -71,7 +71,7 @@ jobs:
  displayName: 'Mac'
 
  pool:
- vmImage: 'macOS-10.13'
+ vmImage: 'macOS-10.15'
 
  variables:
  CONDA_REQUIREMENTS: requirements.txt
@@ -81,6 +81,9 @@ jobs:
 
  strategy:
  matrix:
+ Python38:
+ python.version: '3.8'
+ PYTHON: '3.8'
  Python37:
  python.version: '3.7'
  PYTHON: '3.7'
@@ -172,6 +175,9 @@ jobs:
 
  strategy:
  matrix:
+ Python38:
+ python.version: '3.8'
+ PYTHON: '3.8'
  Python37:
  python.version: '3.7'
  PYTHON: '3.7'

.travis.yml

@@ -35,6 +35,10 @@ env:
 # Specify the build configurations. Be sure to only deploy from a single build.
 matrix:
  include:
+ - name: "Linux - Python 3.8"
+ os: linux
+ env:
+ - PYTHON=3.8
  - name: "Linux - Python 3.7"
  os: linux
  env:

setup.py

@@ -29,8 +29,11 @@
  "Intended Audience :: Education",
  "Topic :: Scientific/Engineering",
  "Topic :: Software Development :: Libraries",
+ "Programming Language :: Python :: 3",
  "Programming Language :: Python :: 3.6",
  "Programming Language :: Python :: 3.7",
+ "Programming Language :: Python :: 3.8",
+ "Programming Language :: Python :: 3 :: Only",
  "License :: OSI Approved :: {}".format(LICENSE),
 ]
 PLATFORMS = "Any"