Adding Windows 32-bit and 64-bit builds

- Basic tests are working
- May need some adjustments to get all tests working
- Cleaned up bundling to take Python arch into account when building
with multiple architectures

.github/workflows/pythonpackage.yml

@@ -27,14 +27,12 @@ jobs:
         pip install -r requirements.txt
     - name: Build pycapnp and install
       run: |
-        python setup.py build # Not necessary, but shows output on stdout
+        python setup.py build
         pip install .
     - name: Lint with flake8
       run: |
         pip install flake8
-        # stop the build if there are Python syntax errors or undefined names
         flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics --exclude benchmark
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
         flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics --exclude benchmark
     - name: Test with pytest
       run: |

buildutils/build.py

@@ -13,7 +13,7 @@ def build_libcapnp(bundle_dir, build_dir):
     bundle_dir = os.path.abspath(bundle_dir)
     capnp_dir = os.path.join(bundle_dir, 'capnproto-c++')
     build_dir = os.path.abspath(build_dir)
-    tmp_dir = os.path.join(capnp_dir, 'build')
+    tmp_dir = os.path.join(capnp_dir, 'build{}'.format(8 * struct.calcsize("P")))
 
     # Clean the tmp build directory every time
     if os.path.exists(tmp_dir):
@@ -31,6 +31,7 @@ def build_libcapnp(bundle_dir, build_dir):
     # Determine python shell architecture
     python_arch = 8 * struct.calcsize("P")
     build_arch = []
+    build_flags = []
     if os.name == 'nt':
         if python_arch == 64:
             build_arch_flag = "x64"
@@ -39,8 +40,12 @@ def build_libcapnp(bundle_dir, build_dir):
         else:
             raise RuntimeError('Unknown windows build arch')
         build_arch = ['-A', build_arch_flag]
+        build_flags = ['--config', 'Release']
         print('Building module for {}'.format(python_arch))
 
+    if not shutil.which('cmake'):
+        raise RuntimeError('Could not find cmake in your path!')
+
     args = [
         'cmake',
         '-DCMAKE_POSITION_INDEPENDENT_CODE=1',
@@ -57,13 +62,15 @@ def build_libcapnp(bundle_dir, build_dir):
         raise RuntimeError('CMake failed {}'.format(returncode))
 
     # Run build through cmake
-    build = subprocess.Popen([
+    args = [
         'cmake',
         '--build',
         '.',
         '--target',
         'install',
-    ], cwd=tmp_dir, stdout=sys.stdout)
+    ]
+    args.extend(build_flags)
+    build = subprocess.Popen(args, cwd=tmp_dir, stdout=sys.stdout)
     returncode = build.wait()
     if cxxflags is None:
         del os.environ['CXXFLAGS']

buildutils/detect.py

@@ -58,7 +58,8 @@ def test_compilation(cfile, compiler=None, **compiler_attrs):
         else:
             lpreargs = ['-m64']
     extra_compile_args = compiler_attrs.get('extra_compile_args', [])
-    extra_compile_args += ['--std=c++14']
+    if os.name != 'nt':
+        extra_compile_args += ['--std=c++14']
     extra_link_args = compiler_attrs.get('extra_link_args', [])
     if cc.compiler_type == 'msvc':
         extra_link_args += ['/MANIFEST']

capnp/helpers/checkCompiler.h

@@ -1,11 +1,8 @@
-#ifdef __GNUC__
+#ifdef _MSC_VER
-  #if __clang__
+#pragma comment(lib, "Ws2_32.lib")
-    #if __cplusplus >= 201103L && !__has_include(<initializer_list>)
+#pragma comment(lib, "advapi32.lib")
-      #warning "Your compiler supports C++11 but your C++ standard library does not.  If your system has libc++ installed (as should be the case on e.g. Mac OSX), try adding -stdlib=libc++ to your CFLAGS (ignore the other warning that says to use CXXFLAGS)."
-    #endif
-  #endif
 #endif
 
 #include "capnp/dynamic.h"
 
-static_assert(CAPNP_VERSION >= 5000, "Version of Cap'n Proto C++ Library is too old. Please upgrade to a version >= 0.5 and then re-install this python library");
+static_assert(CAPNP_VERSION >= 7000, "Version of Cap'n Proto C++ Library is too old. Please upgrade to a version >= 0.7 and then re-install this python library");

capnp/includes/capnp_cpp.pxd

@@ -1,6 +1,5 @@
 # schema.capnp.cpp.pyx
 # distutils: language = c++
-# distutils: extra_compile_args = --std=c++14
 cdef extern from "capnp/helpers/checkCompiler.h":
     pass
 

capnp/includes/schema_cpp.pxd

@@ -1,6 +1,5 @@
 # schema.capnp.cpp.pyx
 # distutils: language = c++
-# distutils: extra_compile_args = --std=c++14
 
 from libc.stdint cimport *
 from capnp_cpp cimport DynamicOrphan

capnp/lib/capnp.pyx

@@ -1,6 +1,5 @@
 # capnp.pyx
 # distutils: language = c++
-# distutils: extra_compile_args = --std=c++14
 # distutils: libraries = capnpc capnp-rpc capnp kj-async kj
 # distutils: include_dirs = .
 # cython: c_string_type = str

capnp/templates/module.pyx

@@ -1,6 +1,5 @@
 # addressbook_fast.pyx
 # distutils: language = c++
-# distutils: extra_compile_args = --std=c++14
 # distutils: include_dirs = {{include_dir}}
 # distutils: libraries = capnpc capnp capnp-rpc
 # distutils: sources = {{file.filename}}.cpp

setup.py

@@ -6,6 +6,7 @@ pycapnp-async distutils setup.py
 from __future__ import print_function
 
 import os
+import struct
 import sys
 
 from distutils.command.clean import clean as _clean
@@ -13,7 +14,7 @@ from distutils.errors import CompileError
 from distutils.extension import Extension
 from distutils.spawn import find_executable
 
-from setuptools import setup
+from setuptools import setup, find_packages, Extension
 
 from buildutils import test_build, fetch_libcapnp, build_libcapnp, info
 
@@ -138,7 +139,7 @@ class build_libcapnp_ext(build_ext_c):
             bundle_dir = os.path.join(_this_dir, "bundled")
             if not os.path.exists(bundle_dir):
                 os.mkdir(bundle_dir)
-            build_dir = os.path.join(_this_dir, "build")
+            build_dir = os.path.join(_this_dir, "build{}".format(8 * struct.calcsize("P")))
             if not os.path.exists(build_dir):
                 os.mkdir(build_dir)
 
@@ -159,10 +160,20 @@ class build_libcapnp_ext(build_ext_c):
 
         return build_ext_c.run(self)
 
+extra_compile_args = ['--std=c++14']
+extra_link_args = []
+if os.name == 'nt':
+    extra_compile_args = ['/std:c++14', '/MD']
+    extra_link_args = ['/MANIFEST']
 
-from Cython.Build import cythonize
+import Cython.Build
 import Cython # noqa: F401
-extensions = cythonize('capnp/lib/*.pyx')
+extensions = [Extension(
+    '*', ['capnp/lib/*.pyx'],
+    extra_compile_args=extra_compile_args,
+    extra_link_args=extra_link_args,
+    language='c++',
+)]
 
 setup(
     name="pycapnp-async",
@@ -174,7 +185,7 @@ setup(
             'includes/*.pxd', 'lib/*.pxd', 'lib/*.py', 'lib/*.pyx', 'templates/*'
         ]
     },
-    ext_modules=extensions,
+    ext_modules=Cython.Build.cythonize(extensions),
     cmdclass={
         'clean': clean,
         'build_ext': build_libcapnp_ext