spammodule.c
#include <Python.h>
static PyObject * spam_system(PyObject *self, PyObject *args)
{
const char *command;
int sts;
if (!PyArg_ParseTuple(args, "s", &command))
return NULL;
sts = system(command);
return PyLong_FromLong(sts);
}
static PyMethodDef SpamMethods[] = {
{"system", spam_system, METH_VARARGS,
"Execute a shell command."},
{NULL, NULL, 0, NULL} /* Sentinel */
};
static struct PyModuleDef spammodule = {
PyModuleDef_HEAD_INIT,
"spam", /* name of module */
NULL, /* module documentation, may be NULL */
-1, /* size of per-interpreter state of the module,
or -1 if the module keeps state in global variables. */
SpamMethods
};
PyMODINIT_FUNC PyInit_spam(void)
{
return PyModule_Create(&spammodule);
}
View Code
setup.py
from setuptools import setup, Extension, distutils, Command, find_packages
C = Extension("spam",
# libraries=main_libraries,
sources=['spammodule.c'],
language='c',
)
setup(name="spam",
version=1.0,
ext_modules=[C],
)
View Code
生成并安装C扩展
python setup.py build
python setup.py install
C:\Python38\python.exe .\setup.py build
running build
C:\Python38\python.exe .\setup.py build
running build
running build_ext
building 'spam' extension
"C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\bin\HostX86\x64\cl.exe" /c /nologo /O2 /W3 /GL /DNDEBUG /MD -IC:\Python38\i
nclude -IC:\Python38\Include "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\include" "-IC:\Program Files\Microsoft Visua
l Studio\2022\Community\VC\Tools\MSVC\14.36.32532\ATLMFC\include" "-IC:\Program Files\Microsoft Visual Studio\2022\Community\VC\Auxiliary\VS\include" "-IC:\Pr
ogram Files (x86)\Windows Kits\10\include\10.0.22000.0\ucrt" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22000.0\\um" "-IC:\Program Files (x86)\Wi
ndows Kits\10\\include\10.0.22000.0\\shared" "-IC:\Program Files (x86)\Windows Kits\10\\include\10.0.22000.0\\winrt" "-IC:\Program Files (x86)\Windows Kits\10
\\include\10.0.22000.0\\cppwinrt" "-IC:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\include\um" /Tcspammodule.c /Fobuild\temp.win-amd64-cpython-38\Release\s
spammodule.c
creating C:\Users\23798\Desktop\Python_project\extend_wtih_C\build\lib.win-amd64-cpython-38
"C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\bin\HostX86\x64\link.exe" /nologo /INCREMENTAL:NO /LTCG /DLL /MANIFEST:EMBE
D,ID=2 /MANIFESTUAC:NO /LIBPATH:C:\Python38\libs /LIBPATH:C:\Python38 /LIBPATH:C:\Python38\PCbuild\amd64 "/LIBPATH:C:\Program Files\Microsoft Visual Studio\20
22\Community\VC\Tools\MSVC\14.36.32532\ATLMFC\lib\x64" "/LIBPATH:C:\Program Files\Microsoft Visual Studio\2022\Community\VC\Tools\MSVC\14.36.32532\lib\x64" "/
LIBPATH:C:\Program Files (x86)\Windows Kits\NETFXSDK\4.8\lib\um\x64" "/LIBPATH:C:\Program Files (x86)\Windows Kits\10\lib\10.0.22000.0\ucrt\x64" "/LIBPATH:C:\
Program Files (x86)\Windows Kits\10\\lib\10.0.22000.0\\um\x64" /EXPORT:PyInit_spam build\temp.win-amd64-cpython-38\Release\spammodule.obj /OUT:build\lib.win-a
md64-cpython-38\spam.cp38-win_amd64.pyd /IMPLIB:build\temp.win-amd64-cpython-38\Release\spam.cp38-win_amd64.lib
正在创建库 build\temp.win-amd64-cpython-38\Release\spam.cp38-win_amd64.lib 和对象 build\temp.win-amd64-cpython-38\Release\spam.cp38-win_amd64.exp
正在生成代码
已完成代码的生成
C:\Python38\python.exe .\setup.py install
C:\Python38\python.exe .\setup.py install
running install
C:\Python38\lib\site-packages\setuptools\_distutils\cmd.py:66: SetuptoolsDeprecationWarning: setup.py install is deprecated.
!!
********************************************************************************
Please avoid running ``setup.py`` directly.
Instead, use pypa/build, pypa/installer, pypa/build or
other standards-based tools.
See https://blog.ganssle.io/articles/2021/10/setup-py-deprecated.html for details.
********************************************************************************
!!
self.initialize_options()
C:\Python38\lib\site-packages\setuptools\_distutils\cmd.py:66: EasyInstallDeprecationWarning: easy_install command is deprecated.
!!
********************************************************************************
Please avoid running ``setup.py`` and ``easy_install``.
Instead, use pypa/build, pypa/installer, pypa/build or
other standards-based tools.
See https://github.com/pypa/setuptools/issues/917 for details.
********************************************************************************
!!
self.initialize_options()
running bdist_egg
running egg_info
creating spam.egg-info
writing spam.egg-info\PKG-INFO
writing dependency_links to spam.egg-info\dependency_links.txt
writing top-level names to spam.egg-info\top_level.txt
writing manifest file 'spam.egg-info\SOURCES.txt'
reading manifest file 'spam.egg-info\SOURCES.txt'
writing manifest file 'spam.egg-info\SOURCES.txt'
installing library code to build\bdist.win-amd64\egg
running install_lib
running build_ext
creating build\bdist.win-amd64
creating build\bdist.win-amd64\egg
copying build\lib.win-amd64-cpython-38\spam.cp38-win_amd64.pyd -> build\bdist.win-amd64\egg
creating stub loader for spam.cp38-win_amd64.pyd
byte-compiling build\bdist.win-amd64\egg\spam.py to spam.cpython-38.pyc
creating build\bdist.win-amd64\egg\EGG-INFO
copying spam.egg-info\PKG-INFO -> build\bdist.win-amd64\egg\EGG-INFO
copying spam.egg-info\SOURCES.txt -> build\bdist.win-amd64\egg\EGG-INFO
copying spam.egg-info\dependency_links.txt -> build\bdist.win-amd64\egg\EGG-INFO
copying spam.egg-info\top_level.txt -> build\bdist.win-amd64\egg\EGG-INFO
writing build\bdist.win-amd64\egg\EGG-INFO\native_libs.txt
zip_safe flag not set; analyzing archive contents...
__pycache__.spam.cpython-38: module references __file__
creating dist
creating 'dist\spam-1.0-py3.8-win-amd64.egg' and adding 'build\bdist.win-amd64\egg' to it
removing 'build\bdist.win-amd64\egg' (and everything under it)
Processing spam-1.0-py3.8-win-amd64.egg
creating c:\python38\lib\site-packages\spam-1.0-py3.8-win-amd64.egg
Extracting spam-1.0-py3.8-win-amd64.egg to c:\python38\lib\site-packages
Adding spam 1.0 to easy-install.pth file
Installed c:\python38\lib\site-packages\spam-1.0-py3.8-win-amd64.egg
Processing dependencies for spam==1.0
Finished processing dependencies for spam==1.0
C:\Python38\python.exe
Python 3.8.1 (tags/v3.8.1:1b293b6, Dec 18 2019, 23:11:46) [MSC v.1916 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> import spawn
>>> spam.system("dir")
驱动器 C 中的卷没有标签。
卷的序列号是 7299-6435
C:\Python38\python.exe .\setup.py build 报错
running build_ext
building 'spam' extension
error: Microsoft Visual C++ 14.0 or greater is required. Get it with "Microsoft C++ Build Tools": https://visualstudio.microsoft.com/visual-cpp-build-tools/
https://wiki.python.org/moin/WindowsCompilers
https://c2rsetup.officeapps.live.com/c2r/downloadVS.aspx?sku=community&channel=Release&version=VS2022&source=VSLandingPage&add=Microsoft.VisualStudio.Workload.ManagedDesktop&add=Microsoft.VisualStudio.Workload.Azure&add=Microsoft.VisualStudio.Workload.NetWeb&includeRecommended=true&cid=2030:6386a4ced0f9418fafc83f85f93fe877
安装最新的visual studio即可
View Code
文件结构如下
可以看到，编写的c扩展文件由4个部分组成， 分别是两个函数(PyObject,PyMODINIT_FUNC)和两个数组(PyModuleDef,PyMethodDef)
标签：Files,amd64,spam,python,win,扩展,C语言,build,egg From： https://www.cnblogs.com/pfeiliu/p/17439077.html