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Read covers from CBC comic files. Fixes #1967028 [Calibre doesn't load first page of CBC file as cover](https://bugs.launchpad.net/calibre/+bug/1967028)

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Kovid Goyal 2022-03-30 15:27:00 +05:30
parent d9c61d48b9
commit 3b145786c9
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1 changed files with 9 additions and 1 deletions
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src/calibre/customize/builtins.py
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@ -101,13 +101,21 @@ plugins += [HTML2ZIP, PML2PMLZ, TXT2TXTZ, ArchiveExtract, KPFExtract]
class ComicMetadataReader(MetadataReaderPlugin): class ComicMetadataReader(MetadataReaderPlugin):
name = 'Read comic metadata' name = 'Read comic metadata'
file_types = {'cbr', 'cbz', 'cb7'} file_types = {'cbr', 'cbz', 'cb7', 'cbc'}
description = _('Extract cover from comic files') description = _('Extract cover from comic files')
def customization_help(self, gui=False): def customization_help(self, gui=False):
return 'Read series number from volume or issue number. Default is volume, set this to issue to use issue number instead.' return 'Read series number from volume or issue number. Default is volume, set this to issue to use issue number instead.'
def get_metadata(self, stream, ftype): def get_metadata(self, stream, ftype):
if ftype == 'cbc':
from zipfile import ZipFile
zf = ZipFile(stream)
fcn = zf.open('comics.txt').read().decode('utf-8').splitlines()[0]
oname = getattr(stream, 'name', None)
stream = zf.open(fcn)
if oname:
stream.name = oname
if hasattr(stream, 'seek') and hasattr(stream, 'tell'): if hasattr(stream, 'seek') and hasattr(stream, 'tell'):
pos = stream.tell() pos = stream.tell()
id_ = stream.read(3) id_ = stream.read(3)