Cython generates the second kind of module: C libraries that talk to Python’s internals, and that can be bundled with existing Python code. Cython code looks a lot like Python code, by design.

This is a regular Python program that will call the integrate_f function found in num.pyx. Python code “sees” compiled Cython code as just another module, so you don’t need to do anything ...

Therefore, almost all of the functions that you'll deal with when interacting with the Python interpreter will take or return pointers to PyObjects rather than another more specific Python data type.

Python's "multiprocessing" module feels like threads, but actually launches processes. Many people, when they start to work with Python, are excited to hear that the language supports threading. And, ...