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from __future__ import with_statement
__license__   = 'GPL v3'
__copyright__ = '2008, Kovid Goyal kovid@kovidgoyal.net'
__docformat__ = 'restructuredtext en'

Convert an ODT file into a Open Ebook
import os
from odf.odf2xhtml import ODF2XHTML

from calibre import CurrentDir, walk
from calibre.customize.conversion import InputFormatPlugin

00015 class Extract(ODF2XHTML):

    def extract_pictures(self, zf):
        if not os.path.exists('Pictures'):
        for name in zf.namelist():
            if name.startswith('Pictures'):
                data = zf.read(name)
                with open(name, 'wb') as f:

    def __call__(self, stream, odir):
        from calibre.utils.zipfile import ZipFile
        from calibre.ebooks.metadata.meta import get_metadata
        from calibre.ebooks.metadata.opf2 import OPFCreator

        if not os.path.exists(odir):
        with CurrentDir(odir):
            print 'Extracting ODT file...'
            html = self.odf2xhtml(stream)
            # A blanket img specification like this causes problems
            # with EPUB output as the contaiing element often has
            # an absolute height and width set that is larger than
            # the available screen real estate
            html = html.replace('img { width: 100%; height: 100%; }', '')
            with open('index.xhtml', 'wb') as f:
            zf = ZipFile(stream, 'r')
            mi = get_metadata(stream, 'odt')
            if not mi.title:
                mi.title = _('Unknown')
            if not mi.authors:
                mi.authors = [_('Unknown')]
            opf = OPFCreator(os.path.abspath(os.getcwdu()), mi)
            opf.create_manifest([(os.path.abspath(f), None) for f in walk(os.getcwd())])
            with open('metadata.opf', 'wb') as f:
            return os.path.abspath('metadata.opf')

00060 class ODTInput(InputFormatPlugin):

    name        = 'ODT Input'
    author      = 'Kovid Goyal'
    description = 'Convert ODT (OpenOffice) files to HTML'
    file_types  = set(['odt'])

00068     def convert(self, stream, options, file_ext, log,
        return Extract()(stream, '.')

00072     def postprocess_book(self, oeb, opts, log):
        # Fix <p><div> constructs as the asinine epubchecker complains
        # about them
        from calibre.ebooks.oeb.base import XPath, XHTML
        path = XPath('//h:p/h:div')
        path2 = XPath('//h:div[@style]/h:img[@style]')
        for item in oeb.spine:
            root = item.data
            if not hasattr(root, 'xpath'): continue
            for div in path(root):
                div.getparent().tag = XHTML('div')

            # This construct doesn't render well in HTML
            for img in path2(root):
                div = img.getparent()
                if 'position:relative' in div.attrib['style'] and len(div) == 1 \
                    and 'img' in div[0].tag:
                    del div.attrib['style']

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