Run tests against Python 3.8 (#93)

* Run tests against Python 3.8

* [tmp] Run tests on py38 branch

* Apply Python 3.8 workaround for appveyor

See appveyor/ci#3142 (comment)

.travis.yml

@@ -11,7 +11,8 @@ matrix:
   - python: "3.6"
   - python: "3.7"
     dist: xenial
-    sudo: required
+  - python: "3.8"
+    dist: xenial
   # linux wheels
   - dist: trusty
     sudo: required
@@ -34,6 +35,7 @@ branches:
     - trying
     - master
     - /^v.*$/
+    - py38
 
 install:
   - |

appveyor.yml

@@ -52,6 +52,14 @@ environment:
       PYTHON_VERSION: "3.7.0"
       PYTHON_ARCH: "64"
 
+    - PYTHON: "C:\\Python38"
+      PYTHON_VERSION: "3.8.0"
+      PYTHON_ARCH: "32"
+
+    - PYTHON: "C:\\Python38-x64"
+      PYTHON_VERSION: "3.8.0"
+      PYTHON_ARCH: "64"
+
     # build wheels
     - PYTHON: "C:\\Python36-x64"
       PYTHON_VERSION: "3.6.6"
@@ -60,6 +68,15 @@ environment:
 
 
 install:
+  - ps: |
+      Set-PSDebug -Trace 1
+      if ($Env:PYTHON_VERSION.StartsWith("3.8")) {
+        if ($Env:PYTHON_ARCH -eq "64") {
+          iex "choco install python3 --version=3.8 --no-progress --params /InstallDir:$Env:PYTHON"
+        } else {
+          iex "choco install python3 --version=3.8 --no-progress --params /InstallDir:$Env:PYTHON --x86"
+        }
+      }
   - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
   - "python --version"
   - "python -c \"import struct; print(struct.calcsize('P') * 8)\""

setup.py

@@ -43,6 +43,7 @@ def version():
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',
     'Programming Language :: Python :: 3.7',
+    'Programming Language :: Python :: 3.8',
     'Programming Language :: Python :: Implementation :: CPython',
     'Topic :: Software Development',
   ],