Source Code for Module lastfm.mixins.taggable

 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  from lastfm.base import LastfmBase 
 8  from lastfm.safelist import SafeList 
 9  from lastfm.decorators import cached_property, authenticate 
10   
11 -class Taggable(object): 
12 -    def init(self, api): 
13          self._api = api 
14           
15      @cached_property 
16      @authenticate 
17 -    def tags(self): 
18          from lastfm.tag import Tag 
19          params = self._default_params({'method': '%s.getTags' % self.__class__.__name__.lower()}) 
20          data = self._api._fetch_data(params, sign = True, session = True, no_cache = True).find('tags') 
21          return SafeList([ 
22                         Tag( 
23                             self._api, 
24                             name = t.findtext('name'), 
25                             url = t.findtext('url') 
26                             ) 
27                         for t in data.findall('tag') 
28                         ], 
29                         self.add_tags, self.remove_tag) 
30       
31      @authenticate 
32 -    def add_tags(self, tags): 
33          from lastfm.tag import Tag 
34          while(len(tags) > 10): 
35                          section = tags[0:9] 
36                          tags = tags[9:] 
37                          self.add_tags(section) 
38           
39          if len(tags) == 0: return 
40   
41          tagnames = [] 
42          for tag in tags: 
43              if isinstance(tag, Tag): 
44                  tagnames.append(tag.name) 
45              elif isinstance(tag, str): 
46                  tagnames.append(tag) 
47           
48          params = self._default_params({ 
49              'method': '%s.addTags' % self.__class__.__name__.lower(), 
50              'tags': ",".join(tagnames) 
51              })        
52          self._api._post_data(params) 
53          self._tags = None 
54           
55      @authenticate 
56 -    def remove_tag(self, tag): 
57          from lastfm.tag import Tag 
58          if isinstance(tag, Tag): 
59              tag = tag.name 
60               
61          params = self._default_params({ 
62              'method': '%s.removeTag' % self.__class__.__name__.lower(), 
63              'tag': tag 
64              }) 
65          self._api._post_data(params) 
66          self._tags = None 
67           
68 -    def _default_params(self, extra_params = {}): 
69          return extra_params 
70