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Python library pyd

Python library


Library on windows pyd

Taken from https://www.youtube.com/watch?v=pjYq6p42QTc

  • Install windows visual studio, including the feature Desktop development with C++ with the options:
    1. MSVC ....
    2. Windows 10 SDK

  • Install cython
    • pip install cython
  • Config system environment 
    • On PATH variable add:
      • C:\Program Files (x86)\Microsoft Visual Studio\2019\Community\VC\Tools\MSVC\14.24.28314\bin\Hostx64\x64
      • C:\Users\erodvel\AppData\Local\Programs\Python\Python37
      • C:\Users\erodvel\AppData\Local\Programs\Python\Python37\Scripts

  • Create your python program
  • Create a second file with extension .pyx
  • Create a file setup.py  
    • this file do the transformation

computations.pyx is your main program

from distutils.core import setup
from Cython.Build import cythonize

directives = {'linetrace':False, 'language_level':3}
setup(ext_modules=cythonize('computations.pyx'))

  • Execute 
    • python setup.py build_ext --inplace

  • Start using, importing the library. The import is the file.c
    • import file




*******************************************************

Option of setup to convert many files
try:
    from setuptools import setup
    from setuptools import Extension
except ImportError:
    from distutils.core import setup
    from distutils.extension import Extension

from Cython.Distutils import build_ext
import numpy as np

ext_modules = [Extension("my_code_cython",["my_code_cython.pyx"]),
               Extension("another_code_cython",["another_code_cython.pyx"])]

setup(
    name= 'Generic model class',
    cmdclass = {'build_ext': build_ext},
    include_dirs = [np.get_include()],
    ext_modules = ext_modules)

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