Source Code for Module pypat.structural.adapter

 1 -class Adapter(object): 
 2      """ 
 3      Adapter class as part of the Adapter design pattern. 
 4   
 5      - External Usage Documentation: U{https://github.com/tylerlaberge/PyPatterns/wiki/Structural-Pattern-Usage} 
 6      - External Adapter Pattern Documentation: U{https://en.wikipedia.org/wiki/Adapter_pattern} 
 7      """ 
 8 -    def __init__(self, adaptee, **adapted_methods): 
 9          """ 
10          Initialize a new adapter instance. 
11   
12          @param adaptee: The object to adapt to a new interface. 
13          @type adaptee: Object 
14          @param adapted_methods: A dictionary of methods to adapt. 
15          @type adapted_methods: dict 
16          """ 
17          self.__adaptee = adaptee 
18          self.__dict__.update({k: v for k, v in adapted_methods.items() if callable(v) and 
19                                getattr(self.__adaptee, v.__name__, None)}) 
20   
21 -    def __getattr__(self, attr): 
22          """ 
23          All non-adapted calls are passed to the adaptee. 
24   
25          @param attr: The attribute to get from the adaptee. 
26          """ 
27          return getattr(self.__adaptee, attr) 
28   
29 -    def original_dict(self): 
30          """ 
31          Get the adaptee's  __dict__ 
32          """ 
33          return self.__adaptee.__dict__ 
34