virtualenvwrapper is a virtualenv wrapper that makes it easier to navigate and manage multiple envs. When you are working on different projects they all need their own virtualnenvs as they require different versions of the same dependencies if not more. To work with multiple envs the virtualenvwrapper comes in handy.
sh is a wrapper around Python subprocess library. It offers a nice and easy to use API - it allows using programs or system commands like if they were a function.
Ximea machine vision cameras are handled via XiAPI. The API is implemented for the .NET platform. In this article I'll present a IronPython scripts that will use the .NET API to control the Ximea xiQ camera.
IronPython is a Python implementation on the .NET platform and as such it can use any .NET libraries and resources.
geopy is handy module for address geocoding - turning a location address into geographic coordinates (useful for maps). It supports various geocoding engines like Google Maps, Yahoo!, Windows Local Live and others. This module can be used to aid your GeoDjango code.