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