Update wheel building

bindings/python/build-wheels.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -ex
+
+curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly-2019-11-01 -y
+export PATH="$HOME/.cargo/bin:$PATH"
+
+cd /io/bindings/python
+
+for PYBIN in /opt/python/{cp35-cp35m,cp36-cp36m,cp37-cp37m}/bin; do
+    export PYTHON_SYS_EXECUTABLE="$PYBIN/python"
+
+    "${PYBIN}/pip" install -U setuptools-rust
+    "${PYBIN}/python" setup.py bdist_wheel
+done
+
+for whl in dist/*.whl; do
+    auditwheel repair "$whl" -w dist/
+done