X-Git-Url: https://git.mdrn.pl/redakcja.git/blobdiff_plain/30cd6983d7c3ce7a593d3f3c09560679ce1d3f26..7499a88c62e78c49d7f9e393b8e67a315acc16ba:/apps/catalogue/models/book.py

diff --git a/apps/catalogue/models/book.py b/apps/catalogue/models/book.py
index 25b9304e..772634c6 100755
--- a/apps/catalogue/models/book.py
+++ b/apps/catalogue/models/book.py
@@ -270,6 +270,14 @@ class Book(models.Model):
         valid_about = self.correct_about()
         assert bi.about == valid_about, _("rdf:about is not") + " " + valid_about
 
+    def publishable_error(self):
+        try:
+            return self.assert_publishable()
+        except AssertionError, e:
+            return e
+        else:
+            return None
+
     def hidden(self):
         return self.slug.startswith('.')