Add support for Python 3.7. (#11)

* Add support for Python 3.7.

* Drop support for `python setup.py test`.

* Fix a resource warning.

.travis.yml

@@ -7,9 +7,19 @@ python:
     - 3.6
     - pypy
     - pypy3
+matrix:
+    include:
+        - python: "3.7"
+          dist: xenial
+          sudo: true
 install:
-    - pip install tox-travis
+    - pip install -U pip setuptools
+    - pip install -U zope.testrunner coverage coveralls
+    - pip install -U -e .[test,buildout]
 script:
-    - tox
+    - coverage run -m zope.testrunner --test-path=src
+after_success:
+    - coveralls
 notifications:
     email: false
+cache: pip

CHANGES.rst

@@ -4,7 +4,9 @@ Changelog
 1.1 (unreleased)
 ----------------
 
-- Nothing changed yet.
+- Add support for Python 3.7.
+
+- Drop support for `python setup.py test`.
 
 
 1.0 (2018-05-23)

README.rst

@@ -123,4 +123,6 @@ Run tests
 
 Uncompress the archive, then run::
 
-    $ python setup.py test
+    $ virtualenv .
+    $ bin/pip install tox
+    $ tox

setup.cfg

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

setup.py

@@ -29,23 +29,23 @@
         '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',
         'Operating System :: OS Independent',
         'Topic :: Software Development :: Quality Assurance',
         'Topic :: Software Development :: Libraries :: Python Modules',
         'Framework :: Buildout',
+        'Framework :: Zope',
         'Framework :: Zope :: 2',
         'Framework :: Zope :: 3',
         'Framework :: Zope :: 4',
-        'Framework :: Zope2',
-        'Framework :: Zope3',
     ],
     keywords='version, buildout, packages, upgrade, zope, ztk',
     author='Zope Foundation and Contributors',
     author_email='zope-dev@zope.org',
-    url='http://pypi.python.org/pypi/z3c.checkversions',
+    url='https://github.com/zopefoundation/z3c.checkversions',
     license='ZPL 2.1',
     packages=find_packages('src'),
     package_dir={'': 'src'},
@@ -58,8 +58,6 @@
     extras_require={
         'buildout': ['zc.buildout'],
     },
-    tests_require=['zc.buildout'],
-    test_suite='z3c.checkversions.test.test_suite',
     entry_points="""
     [console_scripts]
     checkversions = z3c.checkversions.main:main

src/z3c/__init__.py

@@ -1,7 +1 @@
-# this is a namespace package
-try:
-    import pkg_resources
-    pkg_resources.declare_namespace(__name__)
-except ImportError:
-    import pkgutil
-    __path__ = pkgutil.extend_path(__path__, __name__)
+__import__('pkg_resources').declare_namespace(__name__)  # pragma: nocover

src/z3c/checkversions/buildout.txt

@@ -13,7 +13,7 @@ file:///.../testindex
 We create a buildout with a [versions] section and a custom index:
 
 >>> import os
->>> from z3c.checkversions.test import write_temp_file
+>>> from z3c.checkversions.tests import write_temp_file
 >>> buildout_path = write_temp_file("""
 ... [buildout]
 ... index = %s
@@ -57,7 +57,7 @@ zope.interface=3.6.2
 
 The verbose mode gives the current and previous versions.
 This is useful to find out which packages in your buildout can be updated by
-using grep (``bin/checkversions -v | grep was``) 
+using grep (``bin/checkversions -v | grep was``)
 
 >>> checker = buildout.Checker(filename=buildout_path, verbose=True)
 >>> checker.check(level=2)
@@ -88,7 +88,7 @@ We can provide a blacklist file, containing versions to not suggest.
 This file may come from a buildbot remembering failures.
 
 >>> blacklist_path = write_temp_file("""
-... zope.component =3.9.4  
+... zope.component =3.9.4
 ... zope.component = 3.9.3""")
 
 >>> checker = buildout.Checker(filename=buildout_path,
@@ -128,8 +128,11 @@ We are using it directly here:
 ...           stdout=PIPE, stdin=PIPE, stderr=PIPE)
 
 # the "usage" attribute of optparse is inconsistent between python versions
+
 >>> p.stdout.read().lower().startswith(b'usage: ')
 True
+>>> p.wait()
+0
 
 
 explicitly unpinned versions

tox.ini

@@ -1,19 +1,21 @@
 [tox]
 envlist =
-    py27,py34,py35,py36,pypy,pypy3,coverage
+    py27,py34,py35,py36,py37,pypy,pypy3,coverage
 
 [testenv]
-use_develop = true
-deps =
-    zc.buildout
+usedevelop = true
 commands =
-    python setup.py -q test
+    zope-testrunner --test-path=src []
+extras = test,buildout
+deps = zope.testrunner
 
 [testenv:coverage]
-basepython = python3.6
+usedevelop = true
+basepython =
+    python3.7
+commands =
+    coverage run -m zope.testrunner --test-path=src []
+    coverage report --fail-under=77
 deps =
-    {[testenv]deps}
+    zope.testrunner
     coverage
-commands =
-    coverage run --source=z3c.checkversions setup.py -q test
-    coverage report -m --fail-under=77