Concerning Decorators

Decorators are a powerful as well as arcanely constructed feature of Python. Over at his BLOG Graham Dumpleton has written a series of [8 so far] articles covering Python decorator's in-depth. Lots of information here along with abundant examples.

• How you implemented your Python decorator is wrong
• Implementing a factory for creating decorators
• The interaction between decorators and descriptors
• Implementing a universal decorator
• Decorators which accept arguments
• Maintaining decorator state using a class
• The missing @synchronized decorator
• The @synchronized decorator as context manager