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linearize_tables.py

#!/usr/bin/env python
# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
from __future__ import with_statement

__license__   = 'GPL v3'
__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
__docformat__ = 'restructuredtext en'

from calibre.ebooks.oeb.base import OEB_DOCS, XPath, XHTML

class LinearizeTables(object):

    def linearize(self, root):
        for x in XPath('//h:table|//h:td|//h:tr|//h:th|//h:caption|'
                '//h:tbody|//h:tfoot|//h:thead|//h:colgroup|//h:col')(root):
            x.tag = XHTML('div')
            for attr in ('style', 'font', 'valign',
                         'colspan', 'width', 'height',
                         'rowspan', 'summary', 'align',
                         'cellspacing', 'cellpadding',
                         'frames', 'rules', 'border'):
                if attr in x.attrib:
                    del x.attrib[attr]

    def __call__(self, oeb, context):
        for x in oeb.manifest.items:
            if x.media_type in OEB_DOCS:
                self.linearize(x.data)

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