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When converting EPUB to EPUB multiple times and creating book jacket from metadata, if an existing book jacket is found, replace it. This will only work with EPUBs created with the current release onwards

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Kovid Goyal 2010-04-28 07:54:59 -06:00
parent 12f9e50634
commit d1e9ce237b
1 changed files with 16 additions and 3 deletions
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19
src/calibre/ebooks/oeb/transforms/jacket.py
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@ -113,14 +113,27 @@ class Jacket(object):
jacket=escape(_('Book Jacket')), series=series,
tags=tags, rating=self.get_rating(mi.rating))
id, href = self.oeb.manifest.generate('jacket', 'jacket.xhtml')
from calibre.ebooks.oeb.base import RECOVER_PARSER
from calibre.ebooks.oeb.base import RECOVER_PARSER, XPath
try:
root = etree.fromstring(generate_html(comments), parser=RECOVER_PARSER)
except:
root = etree.fromstring(generate_html(escape(orig_comments)),
parser=RECOVER_PARSER)
item = self.oeb.manifest.add(id, href, guess_type(href)[0], data=root)
self.oeb.spine.insert(0, item, True)
jacket = XPath('//h:meta[@name="calibre-content" and @content="jacket"]')
found = None
for item in list(self.oeb.spine)[:4]:
try:
if jacket(item.data):
found = item
break
except:
continue
if found is None:
item = self.oeb.manifest.add(id, href, guess_type(href)[0], data=root)
self.oeb.spine.insert(0, item, True)
else:
self.log('Found existing book jacket, replacing...')
found.data = root
def __call__(self, oeb, opts, metadata):