Add tox and travis-ci matrix

.gitignore

@@ -0,0 +1,6 @@
+*.pyc
+.cache/
+__pycache__/
+*.egg-info/
+*.egg
+.tox/

.travis.yml

@@ -0,0 +1,9 @@
+language: python
+python: 2.7
+env:
+    - TOX_ENV=py26
+    - TOX_ENV=py27
+    - TOX_ENV=py34
+    - TOX_ENV=flake8
+install: pip install tox
+script: tox -e $TOX_ENV

Makefile

@@ -10,15 +10,16 @@ requirements:
 dev-requirements:
 	sudo pip install -U -r dev-requirements.txt
 
-tests:
+tests: install dev-requirements
 	py.test tests
+
 test: tests
 
 pypi:
 	python setup.py sdist check upload --sign
 
 clean:
-	rm -rf *pyc
-	rm -rf build
-	rm -rf __pycache__
-	rm -rf dist
+	rm -rf *.pyc sops/*.pyc
+	rm -rf __pycache__ sops/__pycache__
+	rm -rf build/ dist/
+	rm -fr .tox/

tox.ini

@@ -0,0 +1,14 @@
+[tox]
+envlist = py26,py27,py34,flake8
+
+[testenv]
+commands =
+    python --version
+    py.test tests/ {posargs}
+deps = -rdev-requirements.txt
+install_command = pip install --pre {opts} {packages}
+
+[testenv:flake8]
+commands = flake8 sops
+deps =
+    flake8