Bluefruit LE Python Library is a new guide on the learning system:

So you’ve got a Bluefruit LE device that’s ready to be the next awesome wireless IoT gadget, but how do you actually talk to it from your computer?  The Bluefruit LE Python library is just what you need to write code that reads and writes data with a Bluefruit LE device!  This Python library allows you to write simple code to talk to a Bluefruit LE UART from a Mac OSX computer or Linux machine, like a Raspberry Pi.  This library is great for logging sensor data, controlling your device, and much more through the wireless magic of Bluetooth low energy!

Bluefruit LE Python Library