Python C Extensions Tutorial

How to use?

# Python 2.x example
python setup.py build
python setup.py install
python test.py

Or,

# Python 2.x example
python setup.py build

# copy .so file from the ./build/lib.XXX/myModule.so folder to current folder

python test.py

Python 3:

• https://tutorialedge.net/python/python-c-extensions-tutorial/
• https://docs.python.org/3/extending/extending.html
• https://stackabuse.com/enhancing-python-with-custom-c-extensions/
• https://docs.python.org/3/extending/building.html
• https://docs.python.org/3/distutils/setupscript.html

Python 2

• https://docs.python.org/2/extending/extending.html
• https://www.oreilly.com/library/view/python-cookbook/0596001673/ch16s03.html
• https://docs.python.org/2/extending/building.html
• https://docs.python.org/2/distutils/setupscript.html

Python 2 & 3

• https://pythonextensionpatterns.readthedocs.io/en/latest/compiler_flags.html
• Examples of how to use distutils.ccompiler: https://www.programcreek.com/python/example/95911/distutils.ccompiler

Numpy

• https://docs.scipy.org/doc/numpy/user/c-info.how-to-extend.html
• https://docs.scipy.org/doc/numpy-1.13.0/user/c-info.how-to-extend.html
• https://scipy-cookbook.readthedocs.io/items/C_Extensions_NumPy_arrays.html
• For numpy header files in distutils: https://stackoverflow.com/questions/2379898/make-distutils-look-for-numpy-header-files-in-the-correct-place
• https://scipy-lectures.org/advanced/interfacing_with_c/interfacing_with_c.html

Building for CUDA support

• https://stackoverflow.com/questions/10034325/can-python-distutils-compile-cuda-code
• Robert's repo (from the above StackOverflow answer) for an example on how to compile CUDA codes: https://github.com/rmcgibbo/npcuda-example

Cext folder

This is a sample code borrowed from following link:

https://scipy-cookbook.readthedocs.io/items/C_Extensions_NumPy_arrays.html