...

src/calibre/library/catalogs/epub_mobi.py

@@ -21,6 +21,7 @@ from calibre.utils.localization import get_lang
 
 Option = namedtuple('Option', 'option, default, dest, action, help')
 
+
 class EPUB_MOBI(CatalogPlugin):
     'ePub catalog generator'
 
@@ -386,6 +387,8 @@ class EPUB_MOBI(CatalogPlugin):
                 if opts.fmt == 'mobi':
                     recommendations.append(('no_inline_toc', True,
                         OptionRecommendation.HIGH))
+                    recommendations.append(('verbose', 2,
+                        OptionRecommendation.HIGH))
 
             # Use existing cover or generate new cover
             cpath = None
@@ -442,4 +445,3 @@ class EPUB_MOBI(CatalogPlugin):
 
         # returns to gui2.actions.catalog:catalog_generated()
         return catalog.error
-

src/calibre/library/catalogs/epub_mobi_builder.py

@@ -126,7 +126,7 @@ class CatalogBuilder(object):
         self.bookmarked_books_by_date_read = None
         self.books_by_author = None
         self.books_by_date_range = None
-        self.books_by_description = None
+        self.books_by_description = []
         self.books_by_month = None
         self.books_by_series = None
         self.books_by_title = None
@@ -748,6 +748,7 @@ class CatalogBuilder(object):
 
         # Assumes books_by_title already populated
         # init books_by_description before relisting multiple authors
+        if self.opts.generate_descriptions:
             books_by_description = list(books_by_author) if self.opts.sort_descriptions_by_author \
                 else list(self.books_by_title)
 
@@ -760,6 +761,7 @@ class CatalogBuilder(object):
         asl = [i['author_sort'] for i in books_by_author]
         las = max(asl, key=len)
 
+        if self.opts.generate_descriptions:
             self.books_by_description = sorted(books_by_description,
                 key=lambda x: sort_key(self._kf_books_by_author_sorter_author_sort(x, len(las))))
 
@@ -2973,7 +2975,7 @@ class CatalogBuilder(object):
                 contentTag = Tag(soup, 'content')
                 contentTag['src'] = "content/ByDateAdded.html"
                 navPointTag.insert(1, contentTag)
-            else:
+            elif self.opts.generate_descriptions:
                 # Descriptions only
                 contentTag = Tag(soup, 'content')
                 contentTag['src'] = "content/book_%d.html" % int(self.books_by_description[0]['id'])
@@ -4103,7 +4105,6 @@ class CatalogBuilder(object):
             spine.insert(stc, itemrefTag)
             stc += 1
 
-        if self.opts.generate_descriptions:
         for book in self.books_by_description:
             # manifest
             itemTag = Tag(soup, "item")