adding AppVeyor integration for testing and building wheels on Windows

appveyor.yml

@@ -0,0 +1,57 @@
+environment:
+
+  matrix:
+
+    # For Python versions available on Appveyor, see
+    # http://www.appveyor.com/docs/installed-software#python
+
+    - PYTHON: "C:\\Python26"
+      TOX_ENV: "py26"
+    - PYTHON: "C:\\Python26-x64"
+      TOX_ENV: "py26"
+    - PYTHON: "C:\\Python27"
+      TOX_ENV: "py27"
+    - PYTHON: "C:\\Python27-x64"
+      TOX_ENV: "py27"
+    - PYTHON: "C:\\Python33"
+      TOX_ENV: "py33"
+#    - PYTHON: "C:\\Python33-x64"
+#      TOX_ENV: "py33"
+#      DISTUTILS_USE_SDK: "1"
+    - PYTHON: "C:\\Python34"
+      TOX_ENV: "py34"
+#    - PYTHON: "C:\\Python34-x64"
+#      TOX_ENV: "py34"
+#      DISTUTILS_USE_SDK: "1"
+    - PYTHON: "C:\\Python35"
+      TOX_ENV: "py35"
+    - PYTHON: "C:\\Python35-x64"
+      TOX_ENV: "py35"
+    - PYTHON: "C:\\Python36"
+      TOX_ENV: "py36"
+    - PYTHON: "C:\\Python36-x64"
+      TOX_ENV: "py36"
+
+install:
+  # We need wheel installed to build wheels
+  - "%PYTHON%\\Scripts\\pip.exe install wheel"
+  - "%PYTHON%\\Scripts\\pip.exe install coveralls"
+  - "%PYTHON%\\Scripts\\pip.exe install \"virtualenv<14\""
+  - "%PYTHON%\\Scripts\\pip.exe install \"tox<3\""
+
+build: off
+
+test_script:
+  - "build.cmd %PYTHON%\\Scripts\\tox.exe -e %TOX_ENV%-without_coverage-appveyor -vv"
+
+after_test:
+  - "build.cmd %PYTHON%\\python.exe setup.py bdist_wheel"
+
+artifacts:
+  # bdist_wheel puts your built wheel in the dist directory
+  - path: dist\*
+
+#on_success:
+#  You can use this step to upload your artifacts to a public website.
+#  See Appveyor's documentation for more details. Or you can simply
+#  access your wheels from the Appveyor "artifacts" tab for your build.

build.cmd

@@ -0,0 +1,21 @@
+@echo off
+:: To build extensions for 64 bit Python 3, we need to configure environment
+:: variables to use the MSVC 2010 C++ compilers from GRMSDKX_EN_DVD.iso of:
+:: MS Windows SDK for Windows 7 and .NET Framework 4
+::
+:: More details at:
+:: https://github.com/cython/cython/wiki/CythonExtensionsOnWindows
+
+IF "%DISTUTILS_USE_SDK%"=="1" (
+    ECHO Configuring environment to build with MSVC on a 64bit architecture
+    ECHO Using Windows SDK 7.1
+    "C:\Program Files\Microsoft SDKs\Windows\v7.1\Setup\WindowsSdkVer.exe" -q -version:v7.1
+    CALL "C:\Program Files\Microsoft SDKs\Windows\v7.1\Bin\SetEnv.cmd" /x64 /release
+    SET MSSdk=1
+    REM Need the following to allow tox to see the SDK compiler
+    SET TOX_TESTENV_PASSENV=DISTUTILS_USE_SDK MSSdk INCLUDE LIB
+) ELSE (
+    ECHO Using default MSVC build environment
+)
+
+CALL %*

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py{26,27,32,33,34,35,36}-{with,without}_coverage
+envlist = py{26,27,32,33,34,35,36}-{with,without}_coverage-{,appveyor}
 
 [testenv]
 install_command =
@@ -45,3 +45,4 @@ basepython =
     py34: python3.4
     py35: python3.5
     py36: python3.6
+    appveyor: {env:PYTHON:}\\python.exe