def thumbpath_from_filepath(self, filepath):
from calibre.ebooks.metadata.kfx import (CONTAINER_MAGIC,
read_book_key_kfx)
from calibre.ebooks.mobi.reader.headers import MetadataHeader
from calibre.utils.logging import default_log
thumb_dir = self.amazon_system_thumbnails_dir()
if not os.path.exists(thumb_dir):
return
with lopen(filepath, 'rb') as f:
is_kfx = f.read(4) == CONTAINER_MAGIC
f.seek(0)
uuid = cdetype = None
if is_kfx:
uuid, cdetype = read_book_key_kfx(f)
else:
mh = MetadataHeader(f, default_log)
if mh.exth is not None:
uuid = mh.exth.uuid
cdetype = mh.exth.cdetype
if not uuid or not cdetype:
return
return os.path.join(
thumb_dir,
'thumbnail_{uuid}_{cdetype}_portrait.jpg'.format(uuid=uuid,
cdetype=cdetype))
def thumbpath_from_filepath(self, filepath):
from calibre.ebooks.metadata.kfx import (CONTAINER_MAGIC, read_book_key_kfx)
from calibre.ebooks.mobi.reader.headers import MetadataHeader
from calibre.utils.logging import default_log
thumb_dir = os.path.join(self._main_prefix, 'system', 'thumbnails')
if not os.path.exists(thumb_dir):
return
with lopen(filepath, 'rb') as f:
is_kfx = f.read(4) == CONTAINER_MAGIC
f.seek(0)
uuid = cdetype = None
if is_kfx:
uuid, cdetype = read_book_key_kfx(f)
else:
mh = MetadataHeader(f, default_log)
if mh.exth is not None:
uuid = mh.exth.uuid
cdetype = mh.exth.cdetype
if not uuid or not cdetype:
return
return os.path.join(thumb_dir,
'thumbnail_{uuid}_{cdetype}_portrait.jpg'.format(
uuid=uuid, cdetype=cdetype))