Source Code for Module lastfm.base

 1  #!/usr/bin/env python 
 2   
 3  __author__ = "Abhinav Sarkar <abhinav@abhinavsarkar.net>" 
 4  __version__ = "0.2" 
 5  __license__ = "GNU Lesser General Public License" 
 6   
 7 -class LastfmBase(object): 
 8      """Base class for all the classes in this package""" 
 9   
10      @staticmethod 
11 -    def top_property(list_property_name): 
12          def decorator(func): 
13              def wrapper(ob): 
14                  top_list = getattr(ob, list_property_name) 
15                  return (len(top_list) and top_list[0] or None) 
16              return property(fget = wrapper, doc = func.__doc__) 
17          return decorator 
18   
19      @staticmethod 
20 -    def cached_property(func): 
21          func_name = func.func_code.co_name 
22          attribute_name = "_%s" % func_name 
23   
24          def wrapper(ob): 
25              cache_attribute = getattr(ob, attribute_name, None) 
26              if cache_attribute is None: 
27                  cache_attribute = func(ob) 
28                  setattr(ob, attribute_name, cache_attribute) 
29              try: 
30                  cp = copy.copy(cache_attribute) 
31                  return cp 
32              except LastfmError: 
33                  return cache_attribute 
34   
35          return property(fget = wrapper, doc = func.__doc__) 
36       
37      @staticmethod 
38 -    def autheticate(func): 
39          def wrapper(self, *args, **kwargs): 
40              from lastfm.user import User 
41              user = None 
42              if isinstance(self, User): 
43                  user = self.name 
44                  if self.autheticated: 
45                     return func(self, *args, **kwargs) 
46              elif hasattr(self, 'user'): 
47                  user = self.user.name 
48                  if self.user.autheticated: 
49                     return func(self, *args, **kwargs) 
50                   
51              raise AuthenticationFailedError( 
52                  "user '%s' does not have permissions to access the service" % user) 
53          return wrapper 
54   
55 -    def __gt__(self, other): 
56          return not (self.__lt__(other) or self.__eq(other)) 
57   
58 -    def __ne__(self, other): 
59          return not self.__eq__(other) 
60   
61 -    def __ge__(self, other): 
62          return not self.__lt__(other) 
63   
64 -    def __le__(self, other): 
65          return not self.__gt__(other) 
66   
67  import copy 
68  from lastfm.error import LastfmError, AuthenticationFailedError 
69