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reader.py

# -*- coding: utf-8 -*-

'''
Read content from palmdoc pdb file.
'''

__license__   = 'GPL v3'
__copyright__ = '2010, John Schember <john@nachtimwald.com>'
__docformat__ = 'restructuredtext en'


from calibre.ebooks.pdb.formatreader import FormatReader
from calibre.ptempfile import TemporaryFile

class Reader(FormatReader):

    def __init__(self, header, stream, log, options):
        self.header = header
        self.stream = stream
        self.log = log
        self.options = options
        setattr(self.options, 'new_pdf_engine', False)
        setattr(self.options, 'no_images', False)
        setattr(self.options, 'unwrap_factor', 0.5)

    def extract_content(self, output_dir):
        self.log.info('Extracting PDF...')

        with TemporaryFile() as pdf_n:
            pdf = open(pdf_n, 'rwb')
            for x in xrange(self.header.section_count()):
                pdf.write(self.header.section_data(x))

            from calibre.customize.ui import plugin_for_input_format
            pdf.seek(0)
            return plugin_for_input_format('pdf').convert(pdf, self.options,
                'pdf', self.log, [])

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