added WLDocument.as_cover: treat covers more like ebooks

[librarian.git] / librarian / book2anything.py

diff --git a/librarian/book2anything.py b/librarian/book2anything.py
index 7660ec7..b8b8d27 100755 (executable)
--- a/librarian/book2anything.py
+++ b/librarian/book2anything.py
@@ -99,7 +99,9 @@ class Book2Anything(object):
         # Add cover support, if any.
         if cls.uses_cover:
             if options.image_cache:
-                transform_args['cover'] = lambda x: WLCover(x, image_cache = options.image_cache)
+                def cover_class(*args, **kwargs):
+                    return WLCover(image_cache=options.image_cache, *args, **kwargs)
+                transform_args['cover'] = cover_class
             elif not cls.cover_optional or options.with_cover:
                 transform_args['cover'] = WLCover