Build binary wheels for Windows using Appveyor.

Author: Piersall

_nanomsg_cpy/wrapper.c

@@ -391,19 +391,22 @@ _nanomsg_cpy_nn_poll(PyObject *self, PyObject *args)
     PyObject *socket_event_dict, *sockets;
     Py_ssize_t socket_count;
     struct nn_pollfd *fds;
-
+    Py_ssize_t pos;
+    int i;
+    PyObject *key, *value;
+    PyObject *code;
+    PyObject *result;
     if (!PyArg_ParseTuple(args, "O!i", &PyDict_Type, &socket_event_dict, &timeout_ms)) {
         return NULL;
     }
 
-    sockets = PyDict_New();   
+    sockets = PyDict_New();
     socket_count = PyDict_Size(socket_event_dict);
     fds = malloc(sizeof(struct nn_pollfd)*socket_count);
 
     // build up fds array
-    Py_ssize_t pos = 0;
-    int i = 0;
-    PyObject *key, *value;
+    pos = 0;
+    i = 0;
     while (PyDict_Next(socket_event_dict, &pos, &key, &value)) {
         fds[i].fd = (int)PyLong_AsLong(key);
         fds[i].events = (short)PyLong_AsLong(value);
@@ -426,8 +429,8 @@ _nanomsg_cpy_nn_poll(PyObject *self, PyObject *args)
 
     free(fds);
 
-    PyObject *code = PyLong_FromUnsignedLong(res);
-    PyObject *result = PyTuple_Pack(2, code, sockets);
+    code = PyLong_FromUnsignedLong(res);
+    result = PyTuple_Pack(2, code, sockets);
 
     return result;
 }

appveyor.yml

@@ -0,0 +1,61 @@
+# The template for this file was from https://packaging.python.org/appveyor/
+
+environment:
+  matrix:
+    # For Python versions available on Appveyor, see
+    # http://www.appveyor.com/docs/installed-software#python
+    - PYTHON: "C:\\Python27"
+      CMAKE_GENERATOR: "Visual Studio 9 2008"
+    - PYTHON: "C:\\Python34"
+      CMAKE_GENERATOR: "Visual Studio 10 2010"
+    - PYTHON: "C:\\Python35"
+      CMAKE_GENERATOR: "Visual Studio 14 2015"
+    - PYTHON: "C:\\Python34-x64"
+      CMAKE_GENERATOR: "Visual Studio 10 2010 Win64"
+      DISTUTILS_USE_SDK: "1"
+    - PYTHON: "C:\\Python35-x64"
+      CMAKE_GENERATOR: "Visual Studio 14 2015 Win64"
+
+install:
+  # We need wheel installed to build wheels
+  - "%PYTHON%\\python.exe -m pip install wheel"
+  # Visual Studio 9 2008 does not come with stdint.h, so we'll copy over a
+  # different version.  We only need to do it whenever we're building with
+  # 2008, but it doesn't hurt to copy it unconditionally.  The first copy is to
+  # build nanomsg, the second is to build the extension.
+  - ps: cp "C:\\Program Files (x86)\\Microsoft Visual Studio 10.0\\VC\\include\\stdint.h"
+           "C:\\Program Files (x86)\\Microsoft Visual Studio 9.0\\VC\\include\\stdint.h"
+  - ps: cp "C:\\Program Files (x86)\\Microsoft Visual Studio 10.0\\VC\\include\\stdint.h"
+           "C:\\Users\\appveyor\\AppData\\Local\\Programs\\Common\\Microsoft\\Visual C++ for Python\\9.0\\VC\include\\stdint.h"
+  - git clone https://github.com/nanomsg/nanomsg.git nanomsg-src
+  - pwd
+  - ps: pushd nanomsg-src
+  - git checkout 1.0.0
+  - ps: mkdir build
+  - ps: cd build
+  - cmake -DNN_STATIC_LIB=ON  -G"%CMAKE_GENERATOR%" ..
+  - cmake --build .
+  - cmake --build . --target install
+  - ps: cp Debug\nanomsg.lib ..\..
+  - ps: popd
+  - pwd
+
+build_script:
+  - "%PYTHON%\\python.exe setup.py install"
+
+test_script:
+  - "build.cmd %PYTHON%\\python.exe setup.py test"
+
+after_test:
+  # build the wheel.
+  # build.cmd sets up necessary variables for 64-bit builds
+  - "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/64BitCythonExtensionsOnWindows
+
+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 %*

setup.py

@@ -2,6 +2,7 @@
  unicode_literals
 
 import os
+import platform
 import sys
 try:
     from setuptools import setup
@@ -37,6 +38,18 @@ def run(self):
             print("=" * 79)
             print()
 
+libraries = [str('nanomsg')]
+# add additional necessary library/include path info if we're on Windows
+if sys.platform in ("win32", "cygwin"):
+    libraries.extend([str('ws2_32'), str('advapi32'), str('mswsock')])
+    # nanomsg installs to different directory based on architecture
+    arch = platform.architecture()[0]
+    if arch == "64bit":
+        include_dirs=[r'C:\Program Files\nanomsg\include',]
+    else:
+        include_dirs=[r'C:\Program Files (x86)\nanomsg\include',]
+else:
+    include_dirs = None
 try:
     import ctypes
     if sys.platform in ('win32', 'cygwin'):
@@ -46,18 +59,19 @@ def run(self):
     else:
         _lib = ctypes.cdll.LoadLibrary('libnanoconfig.so')
 except OSError:
-    # Building without nanoconfig
-    cpy_extension = Extension(str('_nanomsg_cpy'),
-                        sources=[str('_nanomsg_cpy/wrapper.c')],
-                        libraries=[str('nanomsg')],
-                        )
+    # Building without nanoconfig; need to turn NN_STATIC_LIB on
+    define_macros = [('NN_STATIC_LIB','ON')]
 else:
     # Building with nanoconfig
-    cpy_extension = Extension(str('_nanomsg_cpy'),
-                        define_macros=[('WITH_NANOCONFIG', '1')],
-                        sources=[str('_nanomsg_cpy/wrapper.c')],
-                        libraries=[str('nanomsg'), str('nanoconfig')],
-                        )
+    libraries.append(str('nanoconfig'))
+    define_macros = [('WITH_NANOCONFIG', '1')]
+
+cpy_extension = Extension(str('_nanomsg_cpy'),
+                    define_macros=define_macros,
+                    sources=[str('_nanomsg_cpy/wrapper.c')],
+                    libraries=libraries,
+                    include_dirs=include_dirs,
+                    )
 install_requires = []
 
 try:

tests/test_poll.py

@@ -68,7 +68,7 @@ def test_poll_timeout(self):
                 timeout = .05
                 r, _ = poll([s1, s2], [], timeout)
                 end_time = time.time()
-                self.assertTrue(end_time-start_time-timeout < .010)
+                self.assertTrue(end_time-start_time-timeout < .030)
                 self.assertEqual(0, len(r), "No sockets to read")