Add support for Python 3.8

Also let's use the latest floating PyPy versions on Travis CI.

.travis.yml

@@ -1,27 +1,28 @@
 language: python
-dist: xenial
+
 python:
   - 2.7
   - 3.5
   - 3.6
   - 3.7
-  - pypy2.7-6.0.0
-  - pypy3.5-6.0.0
-script:
-  - coverage run -m zope.testrunner --test-path=src  --auto-color --auto-progress
-
-after_success:
-  - coveralls
-notifications:
-  email: false
+  - 3.8
+  - pypy
+  - pypy3
 
 install:
   - pip install -U pip setuptools
   - pip install -U coveralls coverage zope.testrunner
   - pip install -U -e ".[test]"
 
+script:
+  - coverage run -m zope.testrunner --test-path=src --auto-color --auto-progress
 
-cache: pip
+after_success:
+  - coveralls
 
+notifications:
+  email: false
+
+cache: pip
 before_cache:
   - rm -f $HOME/.cache/pip/log/debug.log

CHANGES.rst

@@ -7,6 +7,8 @@
 
 - Drop support for Python 3.4.
 
+- Add support for Python 3.8.
+
 
 4.3.1 (2018-10-19)
 ==================

appveyor.yml

@@ -13,6 +13,8 @@ environment:
     - python: 36-x64
     - python: 37
     - python: 37-x64
+    - python: 38
+    - python: 38-x64
 
 install:
   - "SET PATH=C:\\Python%PYTHON%;c:\\Python%PYTHON%\\scripts;%PATH%"

setup.py

@@ -123,6 +123,7 @@ def _unavailable(self, e):
         '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',
         'Programming Language :: Python :: Implementation :: PyPy',
         'Natural Language :: English',

tox.ini

@@ -1,6 +1,6 @@
 [tox]
 envlist =
-    py27,py35,py36,py37,pypy,pypy3,coverage,docs
+    py27,py35,py36,py37,py38,pypy,pypy3,coverage,docs
 
 [testenv]
 deps =