Add Python version classifiers.

Also add setup.cfg to indicate that wheels are universal.

Fix tests on Travis and enable coveralls.

Add appropriate .coveragerc.

.coveragerc

@@ -0,0 +1,6 @@
+[run]
+source = src
+
+[report]
+exclude_lines =
+    pragma: no cover

.gitignore

@@ -9,3 +9,5 @@ build/
 dist/
 *.egg-info/
 .tox/
+.coverage
+htmlcov/

.travis.yml

@@ -1,13 +1,25 @@
 language: python
 sudo: false
-env:
-    - TOXENV=py27
-    - TOXENV=py35
-    - TOXENV=py36
-    - TOXENV=pypy
-install:
-    - travis_retry pip install tox
+python:
+  - 2.7
+  - 3.5
+  - 3.6
+  - pypy-5.4.1
 script:
-    - tox
+  - coverage run -m zope.testrunner --test-path=src  --auto-color --auto-progress
+
+after_success:
+  - coveralls
 notifications:
-    email: false
+  email: false
+
+install:
+  - pip install -U pip setuptools
+  - pip install -U coveralls coverage
+  - pip install -U -e ".[test]"
+
+
+cache: pip
+
+before_cache:
+    - rm -f $HOME/.cache/pip/log/debug.log

CHANGES.txt

@@ -5,7 +5,7 @@ CHANGES
 4.0.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Packaging: Add the Python version and implementation classifiers.
 
 
 4.0.0 (2017-04-17)

MANIFEST.in

@@ -1,6 +1,9 @@
 include *.py
 include *.txt
 include buildout.cfg
+include tox.ini
+include .travis.yml
+include .coveragerc
 
 recursive-include src *.cfg
 recursive-include src *.txt

setup.cfg

@@ -0,0 +1,2 @@
+[bdist_wheel]
+universal = 1

setup.py

@@ -25,6 +25,7 @@ def read(*rnames):
     return open(os.path.join(os.path.dirname(__file__), *rnames)).read()
 
 TESTS_REQUIRE = [
+    'zope.testrunner',
 ]
 
 setup(name='zope.app.schema',
@@ -46,10 +47,18 @@ def read(*rnames):
           'Intended Audience :: Developers',
           'License :: OSI Approved :: Zope Public License',
           'Programming Language :: Python',
+          'Programming Language :: Python :: 2',
+          'Programming Language :: Python :: 2.7',
+          'Programming Language :: Python :: 3',
+          'Programming Language :: Python :: 3.5',
+          'Programming Language :: Python :: 3.6',
+          'Programming Language :: Python :: Implementation :: CPython',
+          'Programming Language :: Python :: Implementation :: PyPy',
           'Natural Language :: English',
           'Operating System :: OS Independent',
           'Topic :: Internet :: WWW/HTTP',
-          'Framework :: Zope3'],
+          'Framework :: Zope3',
+      ],
       url='http://pypi.python.org/pypi/zope.app.schema',
       license='ZPL 2.1',
       packages=find_packages('src'),
@@ -62,7 +71,7 @@ def read(*rnames):
           'zope.component',
           'zope.interface',
           'zope.schema',
-          ],
+      ],
       include_package_data = True,
       tests_require=TESTS_REQUIRE,
       test_suite='zope.app.schema.tests.test_suite',

tox.ini

@@ -2,11 +2,7 @@
 envlist = py27,py35,py36,pypy
 
 [testenv]
-usedevelop = true
 commands =
-    python setup.py -q test
+    zope-testrunner --test-path=src []
 deps =
-    zope.component
-    zope.interface
-    zope.schema
     .[test]