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EPUB Input: Speed up processing of files with very large manifest/spines

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This commit is contained in:
Kovid Goyal 2011-04-15 14:49:04 -06:00
parent 32464b666b
commit d84a8a721a
1 changed files with 8 additions and 8 deletions
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16
src/calibre/ebooks/epub/input.py
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@ -175,18 +175,18 @@ class EPUBInput(InputFormatPlugin):
raise ValueError(
'EPUB files with DTBook markup are not supported')
not_for_spine = set()
for y in opf.itermanifest():
id_ = y.get('id', None)
if id_ and y.get('media-type', None) in \
('application/vnd.adobe-page-template+xml',):
not_for_spine.add(id_)
for x in list(opf.iterspine()):
ref = x.get('idref', None)
if ref is None:
if ref is None or ref in not_for_spine:
x.getparent().remove(x)
continue
for y in opf.itermanifest():
if y.get('id', None) == ref and y.get('media-type', None) in \
('application/vnd.adobe-page-template+xml',):
p = x.getparent()
if p is not None:
p.remove(x)
break
with open('content.opf', 'wb') as nopf:
nopf.write(opf.render())