Python's "abstract base class" system gives you a way to create types that serve as the abstract foundation for another, more concrete type. This example shows how an abstract base class from the ...

Cython 3.1 tees up new features for converting Python to C. And Python’s abstract base classes have an expressive power worth discovering. The next version of Python may come with major speedups ...

This might sound a bit abstract, but it’s a powerful concept that allows you to customize class creation in Python ... A tuple of base classes (empty in this case, as there are none).