Post tagged: Python

Python Exception Chaining

OpenStack has an awful lot of developers writing Python code and many of us wouldn't consider ourselves true "pythonistas". This means we wind up having a bunch of interesting discussions about e.g. EABL vs LBYL.

A particular bugbear of mine is exception handling. I'm convinced that very ...

Async I/O and Python

When you're working on OpenStack, you'll probably hear a lot of references to 'async I/O' and how eventlet is the library we use for this in OpenStack.

But, well ... what exactly is this mysterious 'asynchronous I/O' thing?

The first thing to think about is what happens ...