appveyor.yml: deploy to PyPI with twine

closes #573

appveyor.yml

@@ -1,5 +1,14 @@
+# tutorial:
+# https://packaging.python.org/tutorials/packaging-projects/
+# https://packaging.python.org/guides/supporting-windows-using-appveyor/
+# https://stackoverflow.com/questions/45630032/valueerror-no-pkg-info-in-archive
+
 environment:
   APP_VERSION: '2.2'
+  # for pypi/twine
+  USER: '__token__'
+  PASS:
+    secure: W0Gy5WrAKN5vEEgBvcbrQREbSq5zi5l3vIUFXB6ueKq9yj6vTLuKGfyR1crLjv9G0r4qABt6ZkObVQ+tSJ/YRcokdTnV1+GEpTxbB/qe0riXO0LeoHKIxwV+oyCtVpNk9c5YmJ3eu7XHjrCLvS1LLuJuSfwylgCQ5kC60fQu8XuqDNdZbMRo0m4v+oAlMuumC1YeGcYEMQbaioz1N7ebwFmOzHoVskVo15LTHwA7s5ERRIWIP0D2z64+02hAKkKzN5d80/oBZd3uDu9d2FFS9mUeyx82KC20GqO9kO9DGWw=
   matrix:
     - PYTHON_VER: C:\Python27
       APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
@@ -41,6 +50,7 @@ install:
   - set PATH=%PYTHON_VER%;%PYTHON_VER%\Scripts;%PATH%;C:\msys64\mingw%ARCH_BITS%\bin
   # We need wheel installed to build wheels
   - "%PYTHON_VER%\\python.exe -m pip install wheel"
+  - echo "using twine login %USER% %PASS%"
   - echo %PATH%
   - cc -v
 
@@ -61,3 +71,8 @@ artifacts:
     name: miniupnpc python wheel (self-contained)
   - path: miniupnpc/dist/miniupnpc-*.egg
     name: miniupnpc python egg (self-contained)
+
+deploy_script:
+  - appveyor AddCompilationMessage "Deploying to PyPI"
+  - '%PYTHON_VER%\\python.exe -m pip install twine'
+  - '%PYTHON_VER%\\python.exe -m twine upload -u %USER% -p %PASS% --skip-existing dist/*.whl dist/*.egg'