first attempt at cibuildwheel with appveyor

appveyor.yml

@@ -11,37 +11,39 @@ environment:
       PYTHON_VERSION: "2.7"
       PYTHON_ARCH: "32"
       NUMPY_VERSION: "stable"
+      BUILDMODE: "CI-HELPERS"
 
     - PYTHON: "C:\\Python27_64"
       PYTHON_VERSION: "2.7"
       PYTHON_ARCH: "64"
       NUMPY_VERSION: "stable"
+      BUILDMODE: "CI-HELPERS"
 
     - PYTHON: "C:\\Python36_32"
       PYTHON_VERSION: "3.6"
       PYTHON_ARCH: "32"
       NUMPY_VERSION: "stable"
+      BUILDMODE: "CI-HELPERS"
 
     - PYTHON: "C:\\Python36_64"
       PYTHON_VERSION: "3.6"
       PYTHON_ARCH: "64"
       NUMPY_VERSION: "stable"
+      BUILDMODE: "CI-HELPERS"
+
+    - BUILDMODE: "CIBUILDWHEEL"
+      CIBW_TEST_REQUIRES: "numpy pillow"
+      CIBW_TEST_COMMAND: "python {project}\\selftest.py"
 
 install:
-    - "git clone --depth 1 git://github.com/astropy/ci-helpers.git"
-    - "powershell ci-helpers/appveyor/install-miniconda.ps1"
-    - "SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%"
-    - "activate test"
+    - CALL ci\appveyor-install.bat
 
 build: false  # Not a C# project, build stuff at the test step instead.
 
 test_script:
-  - "%CMD_IN_ENV% pip install -e ."
-  - "%CMD_IN_ENV% python selftest.py"
+  - CALL ci\appveyor-build.bat
 
 after_test:
-  # If tests are successful, create a whl package for the project.
-  - "%CMD_IN_ENV% python setup.py bdist_wheel bdist_wininst"
   - ps: "ls dist"
 
 artifacts:

ci/appveyor-build.bat

@@ -0,0 +1,12 @@
+@ECHO OFF
+SETLOCAL
+
+IF /I "%BUILDMODE"=="CI-HELPERS" (
+  %CMD_IN_ENV% pip install -e .
+  %CMD_IN_ENV% python selftest.py
+  IF %ERRORLEVEL% EQU 0 (
+      %CMD_IN_ENV% python setup.py bdist_wheel bdist_wininst
+  )
+) ELSE (
+  cibuildwheel --output-dir dist
+)

ci/appveyor-install.bat

@@ -0,0 +1,11 @@
+@ECHO OFF
+SETLOCAL
+
+IF /I "%BUILDMODE"=="CI-HELPERS" (
+  git clone --depth 1 git://github.com/astropy/ci-helpers.git
+  powershell ci-helpers/appveyor/install-miniconda.ps1
+  SET PATH=%PYTHON%;%PYTHON%\\Scripts;%PATH%
+  activate test
+) ELSE (
+  pip install cibuildwheel==0.10.0
+)