Cython setup.py to install compiled extension

Question

How do you write a setup.py to compile .pyx files in an arbitrary location and install the compiled code in another arbitrary location? For example dirA/spam.pyx to build/dirB/spam.so ?

Answer 1

According to the distutils documentation , you can build any compiled python modules in an arbitrary location using the command line option --build-base , eg:

python setup.py build --build-base=/build/dirB

If you want to keep the default build directory, but install to a custom location, you should use one of the options --user --home , --prefix , --exec-prefix , --install-base or --install-platbase

Finally, if you just want the .so file in the current directory, use the option --inplace