add OS X to travis configs (#71)

* add OS X (no wait, mac OS) to travis configs

* pypy and pyenv are not the same thing

.travis.yml

@@ -32,6 +32,14 @@ matrix:
       env: TOXENV=pep8
     - python: 3.5
       env: TOXENV=py3pep8
+    - language: generic
+      os: osx
+      osx_image: xcode7.3
+      env: TOXENV=py27
+    - language: generic
+      os: osx
+      osx_image: xcode7.3
+      env: TOXENV=py35
 
 install: .travis/install.sh
 

.travis/install.sh

@@ -3,13 +3,36 @@
 set -e
 set -x
 
-if [[ "${TOXENV}" == "pypy" ]]; then
+install_pyenv () {
     git clone https://github.com/yyuu/pyenv.git ~/.pyenv
     PYENV_ROOT="$HOME/.pyenv"
     PATH="$PYENV_ROOT/bin:$PATH"
     eval "$(pyenv init -)"
-    pyenv install pypy-2.6.0
-    pyenv global pypy-2.6.0
+}
+
+if [[ "$(uname -s)" == 'Darwin' ]]; then
+    install_pyenv
+    case "${TOXENV}" in
+        py27)
+            curl -O https://bootstrap.pypa.io/get-pip.py
+            python get-pip.py --user
+            ;;
+        py35)
+            pyenv install 3.5.1
+            pyenv global 3.5.1
+            ;;
+    esac
+    pyenv rehash
+    python -m pip install --user virtualenv
+else
+    if [[ "${TOXENV}" == "pypy" ]]; then
+        install_pyenv
+        pyenv install pypy-2.6.0
+        pyenv global pypy-2.6.0
+    fi
+    pip install virtualenv
 fi
 
+python -m virtualenv ~/.venv
+source ~/.venv/bin/activate
 pip install tox

.travis/run.sh

@@ -3,11 +3,20 @@
 set -e
 set -x
 
-if [[ "${TOXENV}" == "pypy" ]]; then
+init_pyenv () {
     PYENV_ROOT="$HOME/.pyenv"
     PATH="$PYENV_ROOT/bin:$PATH"
     eval "$(pyenv init -)"
-    pyenv global pypy-2.6.0
+}
+
+if [[ "$(uname -s)" == "Darwin" ]]; then
+    init_pyenv
+else
+    if [[ "${TOXENV}" == "pypy" ]]; then
+        init_pyenv
+        pyenv global pypy-2.6.0
+    fi
 fi
 
+source ~/.venv/bin/activate
 tox