flail at osx travis support

.travis.yml

 language: python
 sudo: false
-python:
-    - 2.7
-    - 3.3
-    - 3.4
-    - pypy
+matrix:
+    include:
+        - os: linux
+          python: 2.7
+        - os: linux
+          python: 3.3
+        - os: linux
+          python: 3.4
+        - os: linux
+          python: 3.5
+        - os: linux
+          python: pypy
+        - os: linux
+          python: pypy3
+        - os: osx
+          language: generic
+          env: TERRYFY_PYTHON='homebrew 2'
+        - os: osx
+          language: generic
+          env: TERRYFY_PYTHON='macpython 3.4'
+        - os: osx
+          language: generic
+          env: TERRYFY_PYTHON='homebrew 3'
+before_install:
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then git clone https://github.com/MacPython/terryfy; fi
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then source terryfy/travis_tools.sh; fi
+    - if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then get_python_environment $TERRYFY_PYTHON venv; fi
+    - if [[ "$TERRYFY_PYTHON" == "homebrew 3" ]]; then alias pip=`which pip3` ; fi
 install:
     - pip install -U setuptools
     - python bootstrap.py