Combining C ++ Extension Headers with Python Package Source Distribution

Question

I am writing a Cython wrapper for a C ++ library that I would like to distribute as a Python package. I came up with a dummy version of my package that looks like this (full source here ).

$ tree
.
├── bogus.pyx
├── inc
│   └── bogus.hpp
├── setup.py
└── src
    └── bogus.cpp
$
$ cat inc/bogus.hpp 
#ifndef BOGUS
#define BOGUS

class bogus
{
protected:
    int data;

public:
    bogus();
    int get_double(int value);
};

#endif
$
$ cat src/bogus.cpp 
#include "bogus.hpp"

bogus::bogus() : data(0)
{

}

int bogus::get_double(int value)
{
    data = value * 2;
    return data;
}
$ cat bogus.pyx 
# distutils: language = c++
# distutils: sources = src/bogus.cpp
# cython: c_string_type=str, c_string_encoding=ascii

cdef extern from 'bogus.hpp':
    cdef cppclass bogus:
        bogus() except +
        int get_double(int value)

cdef class Bogus:
    cdef bogus b
    def get_double(self, int value):
        return self.b.get_double(value)

With the following setup.pyfile, I can confirm that the library is correctly installed with python setup.py installand that it works correctly.

from setuptools import setup, Extension
import glob

headers = list(glob.glob('inc/*.hpp'))

bogus = Extension(
    'bogus',
    sources=['bogus.pyx', 'src/bogus.cpp'],
    include_dirs=['inc/'],
    language='c++',
    extra_compile_args=['--std=c++11', '-Wno-unused-function'],
    extra_link_args=['--std=c++11'],
)

setup(
    name='bogus',
    description='Troubleshooting Python packaging and distribution',
    author='Daniel Standage',
    ext_modules=[bogus],
    install_requires=['cython'],
    version='0.1.0'
)

However, when I build the source distribution with python setup.py sdist build, the C ++ header files are not included and the C ++ extension cannot be compiled.

How can I make sure that the C ++ header files are associated with the source distribution?!?!

pompous

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Answer 1

include inc/*.hpp MANIFEST.in.

SO-, MANIFEST.in. , graft inc/ MANIFEST.in, . .

include inc/*.hpp . , , , , setuptools distutils, , graft .