def convert_metadata(self, oeb):
from lxml import etree
from calibre.ebooks.oeb.base import OPF, OPF2_NS
from calibre.ebooks.metadata.opf2 import OPF as ReadOPF
from io import BytesIO
package = etree.Element(OPF('package'), attrib={'version': '2.0'}, nsmap={None: OPF2_NS})
oeb.metadata.to_opf2(package)
self.mi = ReadOPF(BytesIO(etree.tostring(package, encoding='utf-8')), populate_spine=False, try_to_guess_cover=False).to_book_metadata()
def convert_metadata(self, oeb):
E = ElementMaker(
namespace=namespaces['cp'],
nsmap={x: namespaces[x]
for x in 'cp dc dcterms xsi'.split()})
cp = E.coreProperties(E.revision("1"), E.lastModifiedBy('calibre'))
ts = utcnow().isoformat(str('T')).rpartition('.')[0] + 'Z'
for x in 'created modified'.split():
x = cp.makeelement(
'{%s}%s' % (namespaces['dcterms'], x),
**{'{%s}type' % namespaces['xsi']: 'dcterms:W3CDTF'})
x.text = ts
cp.append(x)
package = etree.Element(OPF('package'),
attrib={'version': '2.0'},
nsmap={None: OPF2_NS})
oeb.metadata.to_opf2(package)
self.mi = ReadOPF(BytesIO(xml2str(package)),
populate_spine=False,
try_to_guess_cover=False).to_book_metadata()
update_doc_props(cp, self.mi)
return xml2str(cp)