ci: Test/build 3.7 wheels

Author: 1st1

.ci/build-manylinux-wheels.sh

@@ -5,8 +5,7 @@ set -e -x
 # Compile wheels
 PYTHON="/opt/python/${PYTHON_VERSION}/bin/python"
 PIP="/opt/python/${PYTHON_VERSION}/bin/pip"
-${PIP} install --upgrade pip wheel
-${PIP} install --upgrade setuptools
+${PIP} install --upgrade pip setuptools wheel~=0.31.1
 ${PIP} install -r /io/.ci/requirements.txt
 rm -rf /io/build
 ${PIP} wheel /io/ -w /io/dist/

.travis.yml

@@ -3,7 +3,7 @@ language: generic
 env:
     global:
         - PYMODULE=immutables
-        - RELEASE_PYTHON_VERSIONS="3.5 3.6"
+        - RELEASE_PYTHON_VERSIONS="3.5 3.6 3.7"
 
         - S3_UPLOAD_USERNAME=oss-ci-bot
         - S3_UPLOAD_BUCKET=magicstack-oss-releases
@@ -29,6 +29,13 @@ matrix:
           python: "3.5"
           env: BUILD=tests
 
+        - os: linux
+          dist: xenial
+          sudo: true
+          language: python
+          python: "3.7"
+          env: BUILD=tests
+
         - os: linux
           dist: trusty
           sudo: required