Class Decorators
Decorators for classes
Interview Relevant: Advanced patterns
Class Decorators
Functions that modify classes.
Code Examples
Applying decorators to classes.
python
1def singleton(cls):
2 instances = {}
3 def get_instance(*args, **kwargs):
4 if cls not in instances:
5 instances[cls] = cls(*args, **kwargs)
6 return instances[cls]
7 return get_instance
8
9@singleton
10class Database:
11 pass