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Fix #8182 (Book cover problem when converting to epub for Nookcolor)

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This commit is contained in:
Kovid Goyal 2011-03-04 11:32:48 -07:00
parent 56090917b8
commit b04c5e7b43
1 changed files with 27 additions and 13 deletions
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40
src/calibre/ebooks/oeb/output.py
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@ -59,20 +59,34 @@ class OEBOutput(OutputFormatPlugin):
def workaround_nook_cover_bug(self, root): # {{{
cov = root.xpath('//*[local-name() = "meta" and @name="cover" and'
' @content != "cover"]')
def manifest_items_with_id(id_):
return root.xpath('//*[local-name() = "manifest"]/*[local-name() = "item" '
' and @id="%s"]'%id_)
if len(cov) == 1:
manpath = ('//*[local-name() = "manifest"]/*[local-name() = "item" '
' and @id="%s" and @media-type]')
cov = cov[0]
covid = cov.get('content')
manifest_item = root.xpath(manpath%covid)
has_cover = root.xpath(manpath%'cover')
if len(manifest_item) == 1 and not has_cover and \
manifest_item[0].get('media-type',
'').startswith('image/'):
self.log.warn('The cover image has an id != "cover". Renaming'
' to work around Nook Color bug')
manifest_item = manifest_item[0]
manifest_item.set('id', 'cover')
cov.set('content', 'cover')
covid = cov.get('content', '')
if covid:
manifest_item = manifest_items_with_id(covid)
if len(manifest_item) == 1 and \
manifest_item[0].get('media-type',
'').startswith('image/'):
self.log.warn('The cover image has an id != "cover". Renaming'
' to work around bug in Nook Color')
import uuid
newid = str(uuid.uuid4())
for item in manifest_items_with_id('cover'):
item.set('id', newid)
for x in root.xpath('//*[@idref="cover"]'):
x.set('idref', newid)
manifest_item = manifest_item[0]
manifest_item.set('id', 'cover')
cov.set('content', 'cover')
# }}}