Source Code for Module lastfm.mixins.searchable

 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.lazylist import lazylist 
 8   
 9 -class Searchable(object): 
10      @classmethod 
11 -    def search(cls, 
12                 api, 
13                 search_item, 
14                 limit = None, 
15                 **kwds): 
16          from lastfm.api import Api 
17          cls_name = cls.__name__.lower() 
18          params = { 
19                    'method': '%s.search'%cls_name, 
20                    cls_name: search_item 
21                    } 
22          for kwd in kwds: 
23              if kwds[kwd] is not None: 
24                  params[kwd] = kwds[kwd] 
25   
26          if limit: 
27              params.update({'limit': limit}) 
28   
29          @lazylist 
30          def gen(lst): 
31              data = api._fetch_data(params).find('results') 
32              total_pages = int(data.findtext("{%s}totalResults" % Api.SEARCH_XMLNS))/ \ 
33                              int(data.findtext("{%s}itemsPerPage" % Api.SEARCH_XMLNS)) + 1 
34   
35              @lazylist 
36              def gen2(lst, data): 
37                  for a in data.findall('%smatches/%s'%(cls_name, cls_name)): 
38                      yield cls._search_yield_func(api, a) 
39   
40              for a in gen2(data): 
41                  yield a 
42   
43              for page in xrange(2, total_pages+1): 
44                  params.update({'page': page}) 
45                  data = api._fetch_data(params).find('results') 
46                  for a in gen2(data): 
47                      yield a 
48          return gen() 
49   
50      @staticmethod 
51 -    def _search_yield_func(api, search_term): 
52          pass 
53