Travis: use tox for testing

* Update the Travis CI testing configuration to use tox.
* Drop testing of Python 2.6, 3.2, 3.3
* Add Python 3.4, 3.5, pypy3

.gitignore

@@ -1,8 +1,9 @@
+*.egg-info
 *.pyc
-.coverage
-.venv
-build
-dist
-extras
-iptools.egg-info
+/.coverage
+/.tox/
+/.venv/
+/build/
+/dist/
+/extras/
 setuptools-*.egg

.travis.yml

@@ -1,16 +1,22 @@
 language: python
 python:
-  - "2.6"
   - "2.7"
-  - "3.2"
-  - "3.3"
+  - "3.4"
+  - "3.5"
   - "pypy"
+  - "pypy3"
+sudo: false
+matrix:
+  fast_finish: true
+
 install:
-  - pip install .
-  - pip install -r tests/requirements.txt
+  - pip install wheel tox-travis
+  - python setup.py install bdist_wheel
+  - pip install ./dist/iptools-*.whl
 script:
-  - flake8
-  - nosetests
+  - tox
+  - tox --installpkg ./dist/iptools-*.whl
+
 notifications:
   email:
       - travis-ci+python-iptools@bd808.com

setup.cfg

@@ -1,18 +1,19 @@
 [nosetests]
+verbosity=2
 detailed-errors=1
 with-coverage=1
 with-doctest=1
 cover-package=iptools
 cover-html=1
 cover-html-dir=docs/_build/cover
+cover-branches=1
 
 [flake8]
-ignore=F821,E402
 count=1
 show-pep8=1
 show-source=1
 statistics=1
-exclude=build,dist,docs,*.egg,*.egg-info
+exclude=.tox,.venv,build,dist,docs,*.egg,*.egg-info
 
 [wheel]
 universal = 1

tox.ini

@@ -0,0 +1,8 @@
+[tox]
+envlist = py27, py34, py35, pypy, pypy3
+
+[testenv]
+deps = -r{toxinidir}/tests/requirements.txt
+commands =
+    flake8
+    nosetests