Add support for Python 3.7; drop 3.3

Builds have been failing on 3.3 recently.

Also drop python setup.py test

.travis.yml

@@ -2,11 +2,17 @@ language: python
 sudo: false
 python:
   - 2.7
-  - 3.3
   - 3.4
   - 3.5
   - 3.6
-  - pypy-5.4.1
+  - pypy
+  - pypy3
+matrix:
+  include:
+    - os: linux
+      dist: xenial
+      sudo: true
+      python: 3.7
 install:
   - pip install -U pip setuptools zope.testrunner
   - pip install -U coveralls coverage

CHANGES.rst

@@ -7,6 +7,12 @@
 
 - Host documentation at https://zopeauthentication.readthedocs.io
 
+- Add support for Python 3.7.
+
+- Drop support for Python 3.3.
+
+- Drop support for ``python setup.py test``.
+
 
 4.3.0 (2017-05-11)
 ==================

setup.py

@@ -22,21 +22,6 @@ def read(*rnames):
         return f.read()
 
 
-def alltests():
-    import os
-    import sys
-    import unittest
-    # use the zope.testrunner machinery to find all the
-    # test suites we've put under ourselves
-    import zope.testrunner.find
-    import zope.testrunner.options
-    here = os.path.abspath(os.path.join(os.path.dirname(__file__), 'src'))
-    args = sys.argv[:]
-    defaults = ["--test-path", here]
-    options = zope.testrunner.options.get_options(args, defaults)
-    suites = list(zope.testrunner.find.find_suites(options))
-    return unittest.TestSuite(suites)
-
 TESTS_REQUIRE = [
     'zope.testing',
     'zope.testrunner',
@@ -62,10 +47,10 @@ def alltests():
           'Programming Language :: Python :: 2',
           'Programming Language :: Python :: 2.7',
           'Programming Language :: Python :: 3',
-          'Programming Language :: Python :: 3.3',
           'Programming Language :: Python :: 3.4',
           'Programming Language :: Python :: 3.5',
           'Programming Language :: Python :: 3.6',
+          'Programming Language :: Python :: 3.7',
           'Programming Language :: Python :: Implementation :: CPython',
           'Programming Language :: Python :: Implementation :: PyPy',
           'Natural Language :: English',
@@ -95,7 +80,6 @@ def alltests():
           'zope.security',
       ],
       tests_require=TESTS_REQUIRE,
-      test_suite='__main__.alltests',
       include_package_data=True,
       zip_safe=False,
       )

tox.ini

@@ -1,10 +1,10 @@
 [tox]
 envlist =
     py27,
-    py33,
     py34,
     py35,
     py36,
+    py37,
     pypy,
     pypy3,
     docs,