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EPUB metadata: Read ISBN from Penguin epubs that dont correctly specify it

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This commit is contained in:
Kovid Goyal 2011-03-17 19:40:50 -06:00
parent 0523376c25
commit fd61b97f06
1 changed files with 10 additions and 1 deletions
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11
src/calibre/ebooks/metadata/opf2.py
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@ -16,7 +16,7 @@ from lxml import etree
from calibre.ebooks.chardet import xml_to_unicode
from calibre.constants import __appname__, __version__, filesystem_encoding
from calibre.ebooks.metadata.toc import TOC
from calibre.ebooks.metadata import string_to_authors, MetaInformation
from calibre.ebooks.metadata import string_to_authors, MetaInformation, check_isbn
from calibre.ebooks.metadata.book.base import Metadata
from calibre.utils.date import parse_date, isoformat
from calibre.utils.localization import get_lang
@ -863,6 +863,7 @@ class OPF(object): # {{{
for x in self.XPath(
'descendant::*[local-name() = "identifier" and text()]')(
self.metadata):
found_scheme = False
for attr, val in x.attrib.iteritems():
if attr.endswith('scheme'):
typ = icu_lower(val)
@ -870,7 +871,15 @@ class OPF(object): # {{{
method='text').strip()
if val and typ not in ('calibre', 'uuid'):
identifiers[typ] = val
found_scheme = True
break
if not found_scheme:
val = etree.tostring(x, with_tail=False, encoding=unicode,
method='text').strip()
if val.lower().startswith('urn:isbn:'):
val = check_isbn(val.split(':')[-1])
if val is not None:
identifiers['isbn'] = val
return identifiers
@dynamic_property