Add support for Python 3.7.

.travis.yml

@@ -4,6 +4,11 @@ python:
     - 2.7
     - 3.5
     - 3.6
+matrix:
+    include:
+        - python: "3.7"
+          dist: xenial
+          sudo: true
 install:
     - pip install coverage coveralls
     - pip install zc.buildout

CHANGES.rst

@@ -4,6 +4,10 @@ Changelog
 4.2 (unreleased)
 ----------------
 
+- Add support for Python 3.7.
+
+- Drop support for Python 3.4.
+
 - Force recompilation of scripts as the compiled code is now stored
   on `__code__` instead of `func_code`.
 
@@ -14,8 +18,6 @@ Changelog
   broken since version 3.0.
   https://github.com/zopefoundation/Zope/issues/209
 
-- Drop support for Python 3.4.
-
 - Fix HTTP-500 error which occurred when entering code containing a
   syntax error in a PythonScript. It is now rendered as error message like
   other errors.

buildout.cfg

@@ -1,17 +1,20 @@
 [buildout]
 extends = https://zopefoundation.github.io/Zope/releases/master/versions.cfg
+          https://raw.githubusercontent.com/zopefoundation/Zope/master/sources.cfg
 show-picked-versions = true
 develop = .
 parts =
     interpreter
     test
     tox
 extensions = mr.developer
-auto-checkout = Zope RestrictedPython
+auto-checkout =
+    Zope
+    RestrictedPython
+    DocumentTemplate
 
 [sources]
 Zope = git git://github.com/zopefoundation/Zope
-RestrictedPython = git git://github.com/zopefoundation/RestrictedPython
 
 [interpreter]
 recipe = zc.recipe.egg

setup.py

@@ -40,6 +40,7 @@
           "Programming Language :: Python :: 3",
           "Programming Language :: Python :: 3.5",
           "Programming Language :: Python :: 3.6",
+          "Programming Language :: Python :: 3.7",
           "Programming Language :: Python :: Implementation :: CPython",
       ],
       install_requires=[

tox.ini

@@ -4,6 +4,7 @@ envlist =
     py27,
     py35,
     py36,
+    py37,
     coverage,
 
 skip_missing_interpreters = False