wcag fixes

[redakcja.git] / apps / catalogue / models / book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index c3c1369..90327b2 100755 (executable)
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -9,10 +9,8 @@ from django.template.loader import render_to_string
 from django.utils.translation import ugettext_lazy as _
 from slughifi import slughifi
 
-import apiclient
 from catalogue.helpers import cached_in_field
 from catalogue.models import BookPublishRecord, ChunkPublishRecord
-from catalogue.signals import post_publish
 from catalogue.tasks import refresh_instance, book_content_updated
 from catalogue.xml_tools import compile_text, split_xml
 
@@ -34,7 +32,8 @@ class Book(models.Model):
     _single = models.NullBooleanField(editable=False, db_index=True)
     _new_publishable = models.NullBooleanField(editable=False)
     _published = models.NullBooleanField(editable=False)
-    dc_slug = models.CharField(max_length=128, null=True, blank=True, editable=False)
+    dc_slug = models.CharField(max_length=128, null=True, blank=True,
+            editable=False, db_index=True)
 
     class NoTextError(BaseException):
         pass
@@ -349,6 +348,9 @@ class Book(models.Model):
         """
             Publishes a book on behalf of a (local) user.
         """
+        import apiclient
+        from catalogue.signals import post_publish
+
         self.assert_publishable()
         changes = self.get_current_changes(publishable=True)
         book_xml = self.materialize(changes=changes)