Source Code for Module lastfm.playlist

 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.mixins import Cacheable 
 9  from lastfm.decorators import cached_property 
10   
11 -class Playlist(LastfmBase, Cacheable): 
12      """A class representing an XPSF playlist.""" 
13 -    def init(self, api, url, **kwargs): 
14          self._api = api 
15          self._data = None 
16          self._url = url 
17   
18      @cached_property 
19 -    def data(self): 
20          """playlist's data""" 
21          params = {'method': 'playlist.fetch', 'playlistURL': self._url} 
22          tmp = StringIO.StringIO() 
23          ElementTree.ElementTree(self._api._fetch_data(params)[0]).write(tmp) 
24          return tmp.getvalue() 
25       
26      @property 
27 -    def url(self): 
28          """url of the playlist""" 
29          return self._url 
30       
31      @staticmethod 
32 -    def fetch(api, url): 
33          return Playlist(api, url = url) 
34       
35      @staticmethod 
36 -    def _hash_func(*args, **kwds): 
37          try: 
38              return hash(kwds['url']) 
39          except KeyError: 
40              raise InvalidParametersError("url has to be provided for hashing") 
41           
42 -    def __hash__(self): 
43          return self.__class__._hash_func(url = self.url) 
44       
45 -    def __eq__(self, other): 
46          return self.url == other.url 
47       
48 -    def __lt__(self, other): 
49          return self.url < other.url 
50       
51 -    def __repr__(self): 
52          return "<lastfm.Playlist: %s>" % self.url 
53   
54  import StringIO 
55  import sys 
56  from lastfm.error import InvalidParametersError 
57   
58  if sys.version_info >= (2, 5): 
59      import xml.etree.cElementTree as ElementTree 
60  else: 
61      try: 
62          import cElementTree as ElementTree 
63      except ImportError: 
64          try: 
65              import ElementTree 
66          except ImportError: 
67              from error import LastfmError 
68              raise LastfmError("Install ElementTree package for using python-lastfm") 
69