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#!/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.customize.conversion import InputFormatPlugin
from calibre.ebooks.conversion.utils import PreProcessor

class LITInput(InputFormatPlugin):

    name        = 'LIT Input'
    author      = 'Marshall T. Vandegrift'
    description = 'Convert LIT files to HTML'
    file_types  = set(['lit'])

    def convert(self, stream, options, file_ext, log,
        from calibre.ebooks.lit.reader import LitReader
        from calibre.ebooks.conversion.plumber import create_oebbook
        self.log = log
        return create_oebbook(log, stream, options, self, reader=LitReader)

    def postprocess_book(self, oeb, opts, log):
        from calibre.ebooks.oeb.base import XHTML_NS, XPath, XHTML
        for item in oeb.spine:
            root = item.data
            if not hasattr(root, 'xpath'): continue
            for bad in ('metadata', 'guide'):
                metadata = XPath('//h:'+bad)(root)
                if metadata:
                    for x in metadata:
            body = XPath('//h:body')(root)
            if body:
                body = body[0]
                if len(body) == 1 and body[0].tag == XHTML('pre'):
                    pre = body[0]
                    from calibre.ebooks.txt.processor import convert_basic
                    from lxml import etree
                    import copy
                    html = convert_basic(pre.text).replace('<html>',
                            '<html xmlns="%s">'%XHTML_NS)
                    root = etree.fromstring(html)
                    body = XPath('//h:body')(root)
                    pre.tag = XHTML('div')
                    pre.text = ''
                    for elem in body:
                        ne = copy.deepcopy(elem)

    def preprocess_html(self, options, html):
        self.options = options
        preprocessor = PreProcessor(self.options, log=getattr(self, 'log', None))
        return preprocessor(html)

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