I started to learn more on Python and found some useful links:

• Codeacademy: Python Track
• Google: Python Class
• Dive Into Python, Dive Into Python 3
• Think Python
• Session: "Practical Python for Sysadmins"
  • Video
  • Slides
  • Examples

Using PyObjC:

• MacTech: System Framework Scripting
• StackOverflow: Python in Xcode 4 or Xcode 5
• An Epic Introduction to PyObjC and Cocoa