2017-06-02 74 views
0

我创建一个Python包与C++扩展setuptools的。我试图用setuptools来做到这一点,因为这似乎是首选解决方案。鉴于它允许setup_requires,install_requires,我同意并将其用于我的python only软件包。但是,当我有一个C++扩展模块时,我无法使它工作。然后我使用distutils.core来使其工作。我想知道如何使用setuptools来使用它。我的安装脚本看起来像distutils.core VS与C++扩展

from setuptools import setup 
import shutil 
import os 

# folder where .so is being build by cpp compilation 
so_src = os.path.join(dir, 'cpp/build/') 
# folder where .so should live in python package 
so_des = os.path.join(dir, 'package_py/cpp/') 

# extension module 
lib_files = ['cpp_py.so'] 

# copy shared lib 
for f in lib_files: 
    shutil.copyfile(so_src + f, so_des + f) 

# set-up script 
setup(
     name=DISTNAME 
    , version=FULLVERSION 
    , description= DESCRIPTION 
    , author= AUTHOR 
    , author_email= EMAIL 
    , maintainer= AUTHOR 
    , maintainer_email= EMAIL 
    , long_description=LONG_DESCRIPTION 
    , packages=['package_py', 
      'package_py.cpp'] 
    , package_dir={'package_py.cpp': 'package_py/cpp'} 
    , package_data={'package_py.cpp': lib_files} 
    ) 

这导致我的Python站点包一个package_py-0.0.1-py3.6.egg文件。包只有适用于从安装文件夹使用。

改变第一线使用distutils.core而不是setuptools的

from distutils.core import setup # only change, remainder is the same!! 
import shutil 
import os 

# folder where .so is being build by cpp compilation 
so_src = os.path.join(dir, 'cpp/build/') 
# folder where .so should live in python package 
so_des = os.path.join(dir, 'package_py/cpp/') 

# extension module 
lib_files = ['cpp_py.so'] 

# copy shared lib 
for f in lib_files: 
    shutil.copyfile(so_src + f, so_des + f) 

# set-up script 
setup(
     name=DISTNAME 
    , version=FULLVERSION 
    , description= DESCRIPTION 
    , author= AUTHOR 
    , author_email= EMAIL 
    , maintainer= AUTHOR 
    , maintainer_email= EMAIL 
    , long_description=LONG_DESCRIPTION 
    , packages=['package_py', 
      'package_py.cpp'] 
    , package_dir={'package_py.cpp': 'package_py/cpp'} 
    , package_data={'package_py.cpp': lib_files} 
    ) 

我得到一个package_py文件夹(与.so文件)和package_py-0.0.1-py3.6.egg-信息在网站-packages。现在该模块在所有文件夹中工作。

,因为我想延长Python包也使用setup_requires,instal_requires我想真正使用setuptools的。我怎样才能获得包使用setuptools的,而不是distutils.core

回答

0

如果您使用的是C扩展,你应该使用无论从setuptoolsdistutils以及Extension,它不是一个Python包中的所有文件夹中工作,所以我很惊讶它甚至正在安装。如果你打算分发包给别人,你不应该事先编译扩展,但它包在安装过程中编译,以便用户的系统适当进行编译(即.so文件不帮助Windows用户谁需要它编译成.dll文件等)。

尝试这样:

from setuptools import setup, Extension 
import shutil 
import os 

# I don't know how you want to build your extension or your file structure, 
# so removing the build stuff. 

your_modulename=Extension('_extensionname', 
          sources=['path/to/extension.cpp', 'more/file/paths'], 
          language='c' 
         ) 


# set-up script 
setup(
     name=DISTNAME 
    , version=FULLVERSION 
    , description= DESCRIPTION 
    , author= AUTHOR 
    , author_email= EMAIL 
    , maintainer= AUTHOR 
    , maintainer_email= EMAIL 
    , long_description=LONG_DESCRIPTION 
    , ext_modules=[your_modulename] 
    , packages=['package_py'] 
    ) 

希望这有助于或至少可以让你在正确的轨道上。