Test under macOS and publish wheels

.travis.yml

@@ -22,6 +22,10 @@ env:
 
 matrix:
   include:
+  - python: "2.7"
+    env: TOXENV=py27-flake8
+  - python: "3.7"
+    env: TOXENV=py37-flake8
   - python: "2.7"
     env: TOXENV=py27
   - python: "3.4"
@@ -32,15 +36,33 @@ matrix:
     env: TOXENV=py36
   - python: "3.7"
     env: TOXENV=py37
-  - python: "2.7"
-    env: TOXENV=py27-flake8
-  - python: "3.7"
-    env: TOXENV=py37-flake8
+  - os: osx
+    # No version of Python is available via virtualenv on OS X workers, see https://github.com/travis-ci/travis-ci/issues/2312
+    language: generic
+    env: TOXENV=py27
+  - os: osx
+    language: generic
+    env: TOXENV=py35
+  - os: osx
+    language: generic
+    env: TOXENV=py36
+  - os: osx
+    language: generic
+    env: TOXENV=py37
   - python: "pypy2.7-6.0"
     env: TOXENV=pypy
-
   fast_finish: true
 
+before_install:
+  - |
+    if [ "$TRAVIS_OS_NAME" == 'osx' -a "$TOXENV" != "py27" ]; then
+        curl -O https://repo.anaconda.com/miniconda/Miniconda2-latest-MacOSX-x86_64.sh
+        bash Miniconda2-latest-MacOSX-x86_64.sh -b -p "$HOME/miniconda2"
+        REQUIRED_PYTHON_VERSION=$(python -c "import os; toxenv = os.environ['TOXENV']; print('.'.join(list(toxenv[2:])))")
+        ~/miniconda2/bin/conda create -y -n "$TOXENV" python="$REQUIRED_PYTHON_VERSION"
+        . ~/miniconda2/bin/activate "$TOXENV"
+    fi
+
 install:
   - travis_retry pip install --upgrade "pip < 19.1" setuptools tox ppu
 

devscripts/CI/travisci-release

@@ -1,4 +1,5 @@
 #! /usr/bin/env bash
+set -e
 
 [[ "$TOXENV" == *-flake8 || "$TOXENV" == pypy* ]] && exit 0
 
@@ -15,25 +16,30 @@ python    -m compileall build &&
 python -O -m compileall build &&
 python setup.py bdist_wheel &&
 
-py=`python -c "import sys; print('.'.join(sys.version.split('.')[:2]))"`
-v="`echo $py | sed 's/\.//'`" &&
-
-if [ $py = 2.7 ]; then
-   pyenv global system 3.6.7 2.7.15
-   pip3.6 install -U auditwheel
-else
-   pip install -U auditwheel
+py=$(python -c "import sys; print('.'.join(sys.version.split('.')[:2]))")
+v=$(echo "$py" | sed 's/\.//') &&
+
+if [ "$TRAVIS_OS_NAME" == 'linux' ]; then
+    if [ "$py" == 2.7 ]; then
+        pyenv global system 3.6.7 2.7.15
+        pip3.6 install -U auditwheel
+    else
+        pip install -U auditwheel
+    fi &&
+
+    for f in dist/Cheetah3-*-cp$v-*-linux_x86_64.whl; do
+        if [ "$py" == 2.7 ]; then
+            python3.6 -m auditwheel repair -w dist/ "$f"
+        else
+            python -m auditwheel repair -w dist/ "$f"
+        fi &&
+        rm -f "$f"
+    done
+else # osx
+    pip install -U delocate
+    for f in dist/Cheetah3-*-cp$v-*-macosx*.whl; do
+        delocate-wheel -v "$f"
+    done
 fi &&
 
-cd dist &&
-for f in Cheetah3-*-cp$v-*-linux_x86_64.whl; do
-   if [ $py = 2.7 ]; then
-      python3.6 -m auditwheel repair -w . $f
-   else
-      python -m auditwheel repair -w . $f
-   fi &&
-   rm $f
-done &&
-cd .. &&
-
 exec twine upload --skip-existing dist/*