Add Windows build.

.travis.yml

@@ -1,5 +1,3 @@
-language: python
-
 matrix:
   include:
 
@@ -34,9 +32,10 @@ matrix:
       os: linux
       sudo: required
       dist: xenial
+      language: python
       python: "3.6"
       install: &python-install
-        - cd cython && python3 -m pip install -r requirements.txt && cd -
+        - python3 -m pip install -r cython/requirements.txt
       script: &python-script
         - cd cython && python3 setup.py test && cd -
       deploy:
@@ -74,7 +73,7 @@ matrix:
       script: *python-script
       after_success:
         # PyPI deployment
-        - if [ -n "$TRAVIS_TAG" ]; then
+        - if [ "$TRAVIS_REPO_SLUG" == "KmolYuan/solvespace" && -n "$TRAVIS_TAG" ]; then
           python3 -m pip install twine;
           python3 setup.py sdist bdist_wheel;
           python3 -m twine upload cython/dist/*.whl --skip-existing;

appveyor.yml

@@ -1,7 +1,17 @@
 version: '{build}'
 clone_depth: 1
+environment:
+  MSYS_DIR: C:\msys64
+  matrix:
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      PYTHON_DIR: C:\Python36-x64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      PYTHON_DIR: C:\Python37-x64
 for:
-  - image: Visual Studio 2013
+  - matrix:
+      only:
+        - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2013
     before_build:
       - git submodule update --init
       - set tag=x%APPVEYOR_REPO_TAG_NAME%
@@ -14,16 +24,7 @@ for:
       - msbuild "build\test\solvespace-testsuite.vcxproj" /verbosity:minimal /property:Configuration=%BUILD_TYPE% /logger:"C:\Program Files\AppVeyor\BuildAgent\Appveyor.MSBuildLogger.dll"
     test_script:
       - build\bin\%BUILD_TYPE%\solvespace-testsuite.exe
-
+    deploy:
-artifacts:
-  - path: build\bin\%BUILD_TYPE%\solvespace.exe
-    name: solvespace.exe
-  - path: build\bin\%BUILD_TYPE%\solvespace-cli.exe
-    name: solvespace-cli.exe
-  - path: build\bin\%BUILD_TYPE%\solvespace.pdb
-    name: solvespace.pdb
-
-deploy:
       - provider: GitHub
         auth_token:
           secure: P9/pf2nM+jlWKe7pCjMp41HycBNP/+5AsmE/TETrDUoBOa/9WFHelqdVFrbRn9IC
@@ -32,3 +33,52 @@ deploy:
         on:
           APPVEYOR_REPO_NAME: solvespace/solvespace
           APPVEYOR_REPO_TAG: true
+
+  - matrix:
+      only:
+        - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+          PYTHON_DIR: C:\Python36-x64
+    install: &python-install
+      # Environment variables
+      - set Path=%MSYS_DIR%\mingw64\bin;%MSYS_DIR%\usr\bin;%Path%
+      - set Path=%PYTHON_DIR%;%PYTHON_DIR%\Scripts;%Path%
+      # Show Python
+      - python --version
+      - pip --version
+      # Upgrade setuptools
+      - pip install setuptools -U
+      # Set Python compiler to MinGW
+      - cython\platform\set_pycompiler %PYTHON_DIR%
+      # Install modules
+      - pip install -r cython\requirements.txt
+      # Show tool kits
+      - gcc --version
+      - mingw32-make --version
+    build_script: &python-script
+      - cd cython && python setup.py test && cd ..
+    deploy_script: &python-deploy
+      # PyPI deployment
+      - IF "%APPVEYOR_REPO_TAG%"=="true"
+        IF "%APPVEYOR_REPO_NAME%"=="KmolYuan/solvespace" (
+        pip install twine &&
+        cd cython &&
+        python setup.py bdist_wheel &&
+        twine upload dist\*.whl --skip-existing
+        )
+
+  - matrix:
+      only:
+        - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+          PYTHON_DIR: C:\Python37-x64
+    install: *python-install
+    build_script: *python-script
+    deploy_script: *python-deploy
+
+artifacts:
+  - path: build\bin\%BUILD_TYPE%\solvespace.exe
+    name: solvespace.exe
+  - path: build\bin\%BUILD_TYPE%\solvespace-cli.exe
+    name: solvespace-cli.exe
+  - path: build\bin\%BUILD_TYPE%\solvespace.pdb
+    name: solvespace.pdb
+  - path: cython\dist\*.whl

cython/platform/set_pycompiler.bat

@@ -0,0 +1,18 @@
+echo off
+
+REM Usage: set_pycompiler C:\Python37
+REM Where %PYTHON_DIR% is the directory of your Python installation.
+REM In Pyslvs project.
+set HERE=%~dp0
+set PYTHON_DIR=%1
+
+REM Create "distutils.cfg"
+echo [build]>> "%PYTHON_DIR%\Lib\distutils\distutils.cfg"
+echo compiler=mingw32>> "%PYTHON_DIR%\Lib\distutils\distutils.cfg"
+
+REM Apply the patch of "cygwinccompiler.py".
+REM Unix "patch" command of Msys.
+patch "%PYTHON_DIR%\lib\distutils\cygwinccompiler.py" "%HERE%patch.diff"
+
+REM Copy "vcruntime140.dll" to "libs".
+copy "%PYTHON_DIR%\vcruntime140.dll" "%PYTHON_DIR%\libs"