change in multilingual

[wolnelektury.git] / apps / catalogue / utils.py

diff --git a/apps/catalogue/utils.py b/apps/catalogue/utils.py
index 145511e..a48ec03 100644 (file)
--- a/apps/catalogue/utils.py
+++ b/apps/catalogue/utils.py
@@ -20,7 +20,6 @@ from errno import EEXIST, ENOENT
 from fcntl import flock, LOCK_EX
 from zipfile import ZipFile
 
-from librarian import DocProvider
 from reporting.utils import read_chunks
 from celery.task import task
 import catalogue.models
@@ -60,20 +59,6 @@ class ExistingFile(UploadedFile):
         pass
 
 
-class ORMDocProvider(DocProvider):
-    """Used for getting books' children."""
-
-    def __init__(self, book):
-        self.book = book
-
-    def by_slug_and_lang(self, slug, language):
-        if slug == self.book.slug and language == self.language:
-            return open(self.book.xml_file.path)
-        else:
-            return type(self.book).objects.get(
-                    slug=slug, language=language).xml_file
-
-
 class LockFile(object):
     """
     A file lock monitor class; createas an ${objname}.lock
@@ -180,7 +165,11 @@ class MultiQuerySet(object):
         return self.count()
         
     def __getitem__(self, item):
-        indices = (offset, stop, step) = item.indices(self.count())
+        try:
+            indices = (offset, stop, step) = item.indices(self.count())
+        except AttributeError:
+            # it's not a slice - make it one
+            return self[item : item + 1][0]
         items = []
         total_len = stop - offset
         for qs in self.querysets: