[ePub] Fix for error validation with epubcheck 3.0.1 in multi-volume books

[librarian.git] / librarian / parser.py

diff --git a/librarian/parser.py b/librarian/parser.py
index e605dd9..e06c4d7 100644 (file)
--- a/librarian/parser.py
+++ b/librarian/parser.py
@@ -5,6 +5,7 @@
 #
 from librarian import ValidationError, NoDublinCore,  ParseError, NoProvider
 from librarian import RDFNS
+from librarian.cover import DefaultEbookCover
 from librarian import dcparser
 
 from xml.parsers.expat import ExpatError
@@ -205,6 +206,11 @@ class WLDocument(object):
         from librarian import fb2
         return fb2.transform(self, *args, **kwargs)
 
+    def as_cover(self, cover_class=None, *args, **kwargs):
+        if cover_class is None:
+            cover_class = DefaultEbookCover
+        return cover_class(self.book_info, *args, **kwargs).output_file()
+
     def save_output_file(self, output_file, output_path=None,
             output_dir_path=None, make_author_dir=False, ext=None):
         if output_dir_path: