1 files changed, 28 insertions, 0 deletions
diff --git a/scripts/before_install.sh b/scripts/before_install.sh
new file mode 100755
index 00000000..fa86a770
--- /dev/null
+++ b/scripts/before_install.sh
@@ -0,0 +1,28 @@
+#! /bin/bash
+
+echo $TRAVIS_OS_NAME
+
+ if [[ "$TRAVIS_OS_NAME" == "osx" ]]; then
+
+    # Travis has an old version of pyenv by default, upgrade it
+    brew update > /dev/null 2>&1
+    brew outdated pyenv || brew upgrade pyenv
+
+    pyenv --version
+
+    # Find the latest requested version of python
+    case "$TOXENV" in
+        py34)
+            python_minor=4;;
+        py35)
+            python_minor=5;;
+        py36)
+            python_minor=6;;
+        py37)
+            python_minor=7;;
+    esac
+    latest_version=`pyenv install --list | grep -e "^[ ]*3\.$python_minor" | tail -1`
+
+    pyenv install $latest_version
+    pyenv local $latest_version
+fi