def initialize(self):
from calibre.customize.builtins import PDBMetadataReader
from calibre.ebooks import BOOK_EXTENSIONS
from calibre.ebooks.conversion.plugins.pdb_input import PDBInput
from calibre.ebooks.metadata.pdb import MREADER
from calibre.ebooks.pdb import (IDENTITY_TO_NAME, get_reader)
import calibre.ebooks.pdb
if PDBMetadataReader:
PDBMetadataReader.file_types.add('updb')
if PDBInput:
PDBInput.file_types.add('updb')
if BOOK_EXTENSIONS:
if 'updb' not in BOOK_EXTENSIONS:
BOOK_EXTENSIONS.append('updb')
if MREADER:
MREADER[BPDB_IDENT] = get_metadata
MREADER[UPDB_IDENT] = get_metadata
if not get_reader(BPDB_IDENT):
calibre.ebooks.pdb.FORMAT_READERS[BPDB_IDENT] = Reader
calibre.ebooks.pdb.FORMAT_READERS[UPDB_IDENT] = Reader
if IDENTITY_TO_NAME:
IDENTITY_TO_NAME[BPDB_IDENT] = 'Haodoo.net'
IDENTITY_TO_NAME[UPDB_IDENT] = 'Haodoo.net'
def convert(self, stream, options, file_ext, log,
accelerators):
from calibre.ebooks.pdb.header import PdbHeaderReader
from calibre.ebooks.pdb import PDBError, IDENTITY_TO_NAME, get_reader
header = PdbHeaderReader(stream)
Reader = get_reader(header.ident)
if Reader is None:
raise PDBError('No reader available for format within container.\n Identity is %s. Book type is %s' % (header.ident, IDENTITY_TO_NAME.get(header.ident, _('Unknown'))))
log.debug('Detected ebook format as: %s with identity: %s' % (IDENTITY_TO_NAME[header.ident], header.ident))
reader = Reader(header, stream, log, options)
opf = reader.extract_content(os.getcwdu())
return opf
