def get_comic_metadata_from_cbr(self):
'''
Reads the comic metadata from the comic cbr file as comictagger metadata
and returns the metadata depending on do_action
'''
from calibre.utils.unrar import extract_member, names, comment
ffile = self.db.format(self.book_id, "cbr", as_path=True)
with open(ffile, 'rb') as stream:
# get the cix metadata
fnames = list(names(stream))
for name in fnames:
if name.lower() == "comicinfo.xml":
self.cix_metadata = extract_member(stream,
match=None,
name=name)[1]
self.cix_metadata = ComicInfoXml().metadataFromString(
self.cix_metadata)
break
# get the cbi metadata
comments = comment(ffile)
if ComicBookInfo().validateString(comments):
self.cbi_metadata = ComicBookInfo().metadataFromString(
comments)
delete_temp_file(ffile)
self._get_combined_metadata()
def convert_cbr_to_cbz(self):
'''
Converts a rar or cbr-comic to a cbz-comic
'''
from calibre.utils.unrar import extract, comment
with TemporaryDirectory('_cbr2cbz') as tdir:
# extract the rar file
ffile = self.db.format(self.book_id, self.format, as_path=True)
extract(ffile, tdir)
comments = comment(ffile)
delete_temp_file(ffile)
# make the cbz file
with TemporaryFile("comic.cbz") as tf:
zf = ZipFile(tf, "w")
zf.add_dir(tdir)
if comments:
zf.comment = comments.encode("utf-8")
zf.close()
# add the cbz format to calibres library
self.db.add_format(self.book_id, "cbz", tf)
self.format = "cbz"
