Auto publish to PyPI on tagged releases

MANIFEST.in

@@ -0,0 +1,2 @@
+include Cargo.toml
+recursive-include src *

azure-pipelines.yml

@@ -45,6 +45,22 @@ jobs:
           python setup.py test
         displayName: "Python Test"
 
+      - script: |
+          cargo clean
+          pip install twine
+          python setup.py build_ext
+          python -m pip -v wheel . -w .\\dist
+          dir dist
+        displayName: "Build wheels"
+
+      - task: DownloadSecureFile@1
+        inputs:
+          secureFile: .pypirc
+
+      - script: 'twine upload --config-file $(Agent.TempDirectory)\.pypirc --skip-existing .\\dist\*'
+        displayName: "Publish to PyPi"
+        condition: and(succeeded(), contains(variables['Build.SourceBranch'], 'refs/tags/'))
+
   - job: Linux
     pool:
       vmImage: 'Ubuntu 16.04'
@@ -78,10 +94,29 @@ jobs:
       - script: |
           export PATH=$PATH:$HOME/.cargo/bin
           cargo clean
-          pip install setuptools-rust setuptools pytest wheel
+          pip install setuptools-rust setuptools pytest wheel==0.31.1
           python setup.py test
         displayName: "Python Test"
 
+      - script: |
+          export PATH=$PATH:$HOME/.cargo/bin
+          pip install twine
+          cargo clean
+          docker run --rm -v `pwd`:/io quay.io/pypa/manylinux1_x86_64 bash /io/build-wheels.sh
+        displayName: "Build wheels"
+
+      - task: DownloadSecureFile@1
+        inputs:
+          secureFile: .pypirc
+
+      - task: TwineAuthenticate@0
+        inputs:
+          artifactFeeds: 'https://pypi.org/'
+
+      - script: 'twine upload --config-file $(Agent.TempDirectory)/.pypirc --skip-existing ./dist/*-manylinux*.whl'
+        displayName: "Publish to PyPi"
+        condition: and(succeeded(), contains(variables['Build.SourceBranch'], 'refs/tags/'))
+
 #  - job: OSX
 #    pool:
 #      vmImage: 'macOS-10.13'

build-wheels.sh

@@ -0,0 +1,18 @@
+#!/bin/bash
+set -ex
+
+curl https://sh.rustup.rs -sSf | sh -s -- --default-toolchain nightly -y
+export PATH="$HOME/.cargo/bin:$PATH"
+
+cd /io
+
+for PYBIN in /opt/python/{cp27-cp27m,cp27-cp27mu,cp35-cp35m,cp36-cp36m,cp37-cp37m}/bin; do
+    export PYTHON_SYS_EXECUTABLE="$PYBIN/python"
+
+    "${PYBIN}/pip" install -U setuptools wheel==0.31.1 setuptools-rust
+    "${PYBIN}/python" setup.py bdist_wheel
+done
+
+for whl in dist/*.whl; do
+    auditwheel repair "$whl" -w dist/
+done

pyproject.toml

@@ -0,0 +1,2 @@
+[build-system]
+requires = ["setuptools", "wheel==0.31.1", "setuptools-rust"]