You can also nest decorators: Note that we haven’t defined exectime() yet, but you’ll see it in the next section. It’s a function that can measure how long a process takes in Python.

Your Python code is written like normal Python code, save for a special function decorator that marks the entry point to your work. The job-submission system also gives you fine-grained control ...

Updating the properties of a wrapped callable is especially useful when used in a decorator, since the transformed function ends up with properties of the original “bare” function. Under Python 2, ...