X-Git-Url: https://git.mdrn.pl/wolnelektury.git/blobdiff_plain/08bd2b6b6557481ecbb64b2f07db0d3d9784d9bb..dbb1ae2cf25105f7a3831961b08386a1326baef8:/apps/catalogue/utils.py

diff --git a/apps/catalogue/utils.py b/apps/catalogue/utils.py
index fd74c9498..98ee36c04 100644
--- a/apps/catalogue/utils.py
+++ b/apps/catalogue/utils.py
@@ -43,7 +43,7 @@ def split_tags(tags, initial=None):
         result = {}
     else:
         result = initial
-    
+
     for tag in tags:
         result.setdefault(tag.category, []).append(tag)
     return result
@@ -149,7 +149,7 @@ def remove_zip(zip_slug):
 class AttachmentHttpResponse(HttpResponse):
     """Response serving a file to be downloaded.
     """
-    def __init__ (self, file_path, file_name, mimetype):
+    def __init__(self, file_path, file_name, mimetype):
         super(AttachmentHttpResponse, self).__init__(mimetype=mimetype)
         self['Content-Disposition'] = 'attachment; filename=%s' % file_name
         self.file_path = file_path
@@ -163,15 +163,15 @@ class MultiQuerySet(object):
     def __init__(self, *args, **kwargs):
         self.querysets = args
         self._count = None
-    
+
     def count(self):
         if not self._count:
             self._count = sum(len(qs) for qs in self.querysets)
         return self._count
-    
+
     def __len__(self):
         return self.count()
-        
+
     def __getitem__(self, item):
         try:
             indices = (offset, stop, step) = item.indices(self.count())
@@ -197,7 +197,7 @@ class SortedMultiQuerySet(MultiQuerySet):
         self.order_by = kwargs.pop('order_by', None)
         self.sortfn = kwargs.pop('sortfn', None)
         if self.order_by is not None:
-            self.sortfn = lambda a, b: cmp(getattr(a, self.order_by), 
+            self.sortfn = lambda a, b: cmp(getattr(a, self.order_by),
                                            getattr(b, self.order_by))
         super(SortedMultiQuerySet, self).__init__(*args, **kwargs)
 
@@ -215,27 +215,30 @@ class SortedMultiQuerySet(MultiQuerySet):
 
         while len(items) < total_len:
             candidate = None
+            candidate_i = None
             for i in i_s:
                 def get_next():
                     return self.querysets[i][sort_heads[i]]
                 try:
                     if candidate is None:
                         candidate = get_next()
+                        candidate_i = i
                     else:
                         competitor = get_next()
                         if self.sortfn(candidate, competitor) > 0:
                             candidate = competitor
+                            candidate_i = i
                 except IndexError:
                     continue # continue next sort_head
-                sort_heads[i] += 1
             # we have no more elements:
             if candidate is None:
                 break
+            sort_heads[candidate_i] += 1
             if skipped < offset:
                 skipped += 1
                 continue # continue next item
             items.append(candidate)
-        
+
         return items