Fill in Python example repo

.travis.yml

@@ -0,0 +1,6 @@
+language: python
+sudo: false
+python:
+- 2.7
+- 3.4
+script: py.test -v

conftest.py

@@ -0,0 +1,6 @@
+import os
+import sys
+
+HERE = os.path.dirname(os.path.abspath(__file__))
+
+sys.path.insert(0, HERE)

hello.py

@@ -0,0 +1,19 @@
+from __future__ import print_function
+import sys
+
+
+def hello(what):
+    print('Hello, {}!'.format(what))
+
+
+def say_what():
+    return 'world'
+
+
+def main():
+    hello(say_what())
+    return 0
+
+
+if __name__ == '__main__':
+    sys.exit(main())

requirements.txt

@@ -0,0 +1 @@
+pytest

tests/test_hello.py

@@ -0,0 +1,5 @@
+import hello
+
+
+def test_says_world():
+    assert hello.say_what() == 'world'