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from_any.py

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

'''
Convert any ebook format to LIT.
'''

import sys, os, glob, logging

from calibre.ebooks.epub.from_any import any2epub, formats, USAGE
from calibre.ebooks.epub import config as common_config
from calibre.ptempfile import TemporaryDirectory
from calibre.ebooks.lit.writer import oeb2lit

def config(defaults=None):
    c = common_config(defaults=defaults, name='lit')
    return c

def option_parser(usage=USAGE):
    return config().option_parser(usage=usage%('LIT', formats()))

def any2lit(opts, path):
    ext = os.path.splitext(path)[1]
    if not ext:
        raise ValueError('Unknown file type: '+path)
    ext = ext.lower()[1:]
    
    if opts.output is None:
        opts.output = os.path.splitext(os.path.basename(path))[0]+'.lit'
    
    opts.output = os.path.abspath(opts.output)
    orig_output = opts.output
    
    with TemporaryDirectory('_any2lit') as tdir:
        oebdir = os.path.join(tdir, 'oeb')
        os.mkdir(oebdir)
        opts.output = os.path.join(tdir, 'dummy.epub')
        opts.profile = 'None'
        orig_bfs = opts.base_font_size2
        opts.base_font_size2 = 0
        any2epub(opts, path, create_epub=False, oeb_cover=True, extract_to=oebdir)
        opts.base_font_size2 = orig_bfs
        opf = glob.glob(os.path.join(oebdir, '*.opf'))[0]
        opts.output = orig_output
        logging.getLogger('html2epub').info(_('Creating LIT file from EPUB...'))
        oeb2lit(opts, opf)
    

def main(args=sys.argv):
    parser = option_parser()
    opts, args = parser.parse_args(args)
    if len(args) < 2:
        parser.print_help()
        print 'No input file specified.'
        return 1
    any2lit(opts, args[1])
    return 0

if __name__ == '__main__':
    sys.exit(main())

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