def write_oebbook(oeb, path):
from calibre.ebooks.oeb.writer import OEBWriter
from calibre import walk
w = OEBWriter()
w(oeb, path)
for f in walk(path):
if f.endswith('.opf'):
return f
def _cover_from_html(self, hcover):
from calibre.ebooks import render_html_svg_workaround
with TemporaryDirectory('_html_cover') as tdir:
writer = OEBWriter()
writer(self.oeb, tdir)
path = os.path.join(tdir, urlunquote(hcover.href))
data = render_html_svg_workaround(path, self.logger)
if not data:
data = ''
id, href = self.oeb.manifest.generate('cover', 'cover.jpg')
item = self.oeb.manifest.add(id, href, JPEG_MIME, data=data)
return item
