Add support for Python 3.6, 3.7 and PyPy3.

Drop support for Python 2.6 and 3.3.

.coveragerc

@@ -1,2 +1,6 @@
 [run]
 source = z3c.batching
+branch = True
+
+[report]
+precision = 2

.travis.yml

@@ -1,15 +1,25 @@
 language: python
 sudo: false
 python:
-    - 2.6
     - 2.7
-    - 3.3
     - 3.4
     - 3.5
+    - 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 coveralls coverage
+    - pip install -U -e .[test]
 script:
-    - tox
+    - coverage run -m zope.testrunner --test-path=src
+after_success:
+    - coveralls
 notifications:
     email: false
+cache: pip

CHANGES.txt

@@ -5,7 +5,9 @@ CHANGES
 2.1.1 (unreleased)
 ------------------
 
-- Nothing changed yet.
+- Add support for Python 3.6, 3.7 and PyPy3.
+
+- Drop support for Python 2.6 and 3.3.
 
 
 2.1.0 (2016-06-05)

buildout.cfg

@@ -1,5 +1,4 @@
 [buildout]
-index = http://download.zope.org/zope3.4
 develop = .
 parts = test
 

setup.cfg

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

setup.py

@@ -48,19 +48,21 @@ def read(*rnames):
         'License :: OSI Approved :: Zope Public License',
         'Programming Language :: Python',
         'Programming Language :: Python :: 2',
-        'Programming Language :: Python :: 2.6',
         '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',
         'Operating System :: OS Independent',
         'Topic :: Internet :: WWW/HTTP',
-        'Framework :: Zope3'],
-    url='https://pypi.org/project/z3c.batching',
+        'Framework :: Zope',
+        'Framework :: Zope :: 3',
+    ],
+    url='https://github.com/zopefoundation/z3c.batching',
     license='ZPL 2.1',
     packages=find_packages('src'),
     package_dir={'': 'src'},

tox.ini

@@ -1,28 +1,28 @@
 [tox]
-envlist = py26,py27,py33,py34,py35,pypy
+envlist = py27,py34,py35,py36,py37,pypy,pypy3,coverage3
 
 [testenv]
 deps =
     zope.testrunner
 commands =
-    zope-testrunner --test-path=src {posargs:-pvc}
+    zope-testrunner --test-path=src {posargs:-vc}
 
 [testenv:coverage2]
 usedevelop = true
-basepython = python2
+basepython = python2.7
 deps =
     {[testenv]deps}
     coverage
 commands =
-    coverage run -m zope.testrunner --test-path=src {posargs:-pvc}
+    coverage run -m zope.testrunner --test-path=src {posargs:-vc}
     coverage report -m
 
 [testenv:coverage3]
 usedevelop = true
-basepython = python3
+basepython = python3.6
 deps =
     {[testenv]deps}
     coverage
 commands =
-    coverage run -m zope.testrunner --test-path=src {posargs:-pvc}
+    coverage run -m zope.testrunner --test-path=src {posargs:-vc}
     coverage report -m