I am looking for a good introduction to Python namespaces. I found this tutorial to be good, but I\'m sure there is more to the story than that.
The Python reference con
They're really not all that complex. The import mechanisms can be somewhat complex and with relative imports now it can get even a bit more tricky, but as far as actual namespaces and how they're resolved in code, that tutorial seems to be pretty comprehensive.
The language reference is always kind of the be-all, end-all however, but it's often overkill for those starting out.
If you have any specific questions as to how certain things work, you'll get good responses on here.