Python release CI (#2)

bindings/python/build-wheels.sh

@@ -4,9 +4,7 @@ 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
+for PYBIN in /opt/python/{cp35-cp35m,cp36-cp36m,cp37-cp37m,cp38-cp38}/bin; do
     export PYTHON_SYS_EXECUTABLE="$PYBIN/python"
 
     "${PYBIN}/pip" install -U setuptools-rust
@@ -16,3 +14,10 @@ done
 for whl in dist/*.whl; do
     auditwheel repair "$whl" -w dist/
 done
+
+# Keep only manylinux wheels
+rm dist/*-linux_*
+
+# Upload wheels
+/opt/python/cp37-cp37m/bin/pip install -U awscli
+/opt/python/cp37-cp37m/bin/python -m awscli s3 sync --exact-timestamps ./dist "s3://tokenizers-releases/python/$GITHUB_SHA"