Writing Functions in Python will give you a strong foundation in writing ... preserve the metadata of your decorated functions and how to write decorators that take arguments.

Now that you understand how decorators work under the hood, this chapter gives you a bunch of real-world examples of when and how you would write decorators in your own code. You will also learn ...

If you want to write ... to Python’s syntax, positional-only parameters, lets you indicate which function parameters must be specified as positional ones, never as keyword arguments.

Our results can further work as a complement to the state-of-the-art Python static type inference tool and enable it to analyze programs with foreign function calls. We catch 48 bugs of mismatch ...