Now that we know how to build a module, the time has come to discover what goes into coding a module. Mostly this is a matter of making use of the C API and this is the subject of most of this book.

Python 3.13 introduced the first public, if experimental, “free-threaded” or “no-GIL” builds of the language, which we’ll call “3.13t.” 3.13t allows CPU-bound Python threads to run with true ...

Because of the nature of Python (interpreted language), securing the source code is a challenging task. In order to execute the source code, it must be available in some form. Throughout this article, ...

Once you know how to add and use a Python module, you will greatly extend the capabilities of the language. A Python module is an external class or set of functions that exist outside the main file of ...

Modules provide a way to organise, reuse, and manage code efficiently. These modules can then be imported into other code and reused. There are many already built-in modules and some which need to be ...