Merge pull request #44 from redapple/travis-pypy

Re-add PyPy assuming >=5.0 and also run pypy tests on Travis CI

.travis.yml

@@ -2,11 +2,26 @@ language: python
 python: 3.5
 env:
   - TOXENV=py27
+  - TOXENV=pypy
   - TOXENV=py33
   - TOXENV=py34
   - TOXENV=py35
 
 install:
+  - |
+      if [ "$TOXENV" = "pypy" ]; then
+        export PYENV_ROOT="$HOME/.pyenv"
+        if [ -f "$PYENV_ROOT/bin/pyenv" ]; then
+          pushd "$PYENV_ROOT" && git pull && popd
+        else
+          rm -rf "$PYENV_ROOT" && git clone --depth 1 https://github.com/yyuu/pyenv.git "$PYENV_ROOT"
+        fi
+        # get latest PyPy from pyenv directly (thanks to natural version sort option -V)
+        export PYPY_VERSION=`"$PYENV_ROOT/bin/pyenv" install --list |grep -o -E 'pypy-[0-9][\.0-9]*$' |sort -V |tail -1`
+        "$PYENV_ROOT/bin/pyenv" install --skip-existing "$PYPY_VERSION"
+        virtualenv --python="$PYENV_ROOT/versions/$PYPY_VERSION/bin/python" "$HOME/virtualenvs/$PYPY_VERSION"
+        source "$HOME/virtualenvs/$PYPY_VERSION/bin/activate"
+      fi
   - pip install -U tox twine wheel codecov
 script: tox
 after_success:

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py27, py33, py34
+envlist = py27, py33, py34, py35, pypy
 
 [testenv]
 deps =