scripts/book2partner

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
   5 # Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
   6 #
   7 import os.path
   8 import optparse
   9 from copy import deepcopy
  10 from lxml import etree
  11
  12 from librarian import epub, DirDocProvider, ParseError, cover
  13 from librarian.dcparser import BookInfo
  14
  15
  16 def utf_trunc(text, limit):
  17     """ truncates text to at most `limit' bytes in utf-8 """
  18     if text is None:
  19         return text
  20     orig_text = text
  21     if len(text.encode('utf-8')) > limit:
  22         newlimit = limit - 3
  23         while len(text.encode('utf-8')) > newlimit:
  24             text = text[:(newlimit - len(text.encode('utf-8'))) / 4]
  25         text += '...'
  26     return text
  27
  28
  29 def virtualo(filenames, output_dir, verbose):
  30     xml = etree.fromstring("""<?xml version="1.0" encoding="utf-8"?>
  31         <products xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></products>""")
  32     product = etree.fromstring("""<product>
  33             <publisherProductId></publisherProductId>
  34             <title></title>
  35             <info></info>
  36             <description></description>
  37             <authors>
  38                 <author>
  39                     <names>Jan</names>
  40                     <lastName>Kowalski</lastName>
  41                 </author>
  42             </authors>
  43             <price>0.0</price>
  44             <language>PL</language>
  45         </product>""")
  46
  47     try:
  48         for main_input in input_filenames:
  49             if options.verbose:
  50                 print main_input
  51             path, fname = os.path.realpath(main_input).rsplit('/', 1)
  52             provider = DirDocProvider(path)
  53             slug, ext = os.path.splitext(fname)
  54
  55             outfile_dir = os.path.join(output_dir, slug)
  56             os.makedirs(os.path.join(output_dir, slug))
  57
  58             info = BookInfo.from_file(main_input)
  59
  60             product_elem = deepcopy(product)
  61             product_elem[0].text = utf_trunc(slug, 100)
  62             product_elem[1].text = utf_trunc(info.title, 255)
  63             product_elem[2].text = utf_trunc(info.description, 255)
  64             product_elem[3].text = utf_trunc(info.source_name, 3000)
  65             product_elem[4][0][0].text = utf_trunc(u' '.join(info.author.first_names), 100)
  66             product_elem[4][0][1].text = utf_trunc(info.author.last_name, 100)
  67             xml.append(product_elem)
  68
  69             cover.virtualo_cover(
  70                 u' '.join(info.author.first_names + (info.author.last_name,)),
  71                 info.title
  72                 ).save(os.path.join(outfile_dir, slug+'.jpg'))
  73             outfile = os.path.join(outfile_dir, '1.epub')
  74             outfile_sample = os.path.join(outfile_dir, '1.sample.epub')
  75             epub.transform(provider, file_path=main_input, output_file=outfile)
  76             epub.transform(provider, file_path=main_input, output_file=outfile_sample, sample=25)
  77     except ParseError, e:
  78         print '%(file)s:%(name)s:%(message)s' % {
  79             'file': main_input,
  80             'name': e.__class__.__name__,
  81             'message': e.message
  82         }
  83
  84     xml_file = open(os.path.join(output_dir, 'import_products.xml'), 'w')
  85     xml_file.write(etree.tostring(xml, pretty_print=True, encoding=unicode).encode('utf-8'))
  86     xml_file.close()
  87
  88
  89
  90
  91 if __name__ == '__main__':
  92     # Parse commandline arguments
  93     usage = """Usage: %prog [options] SOURCE [SOURCE...]
  94     Prepare SOURCE files for a partner."""
  95
  96     parser = optparse.OptionParser(usage=usage)
  97
  98     parser.add_option('-v', '--verbose', action='store_true', dest='verbose', default=False,
  99         help='print status messages to stdout')
 100     parser.add_option('-O', '--output-dir', dest='output_dir', metavar='DIR', default='',
 101                       help='specifies the directory for output')
 102     parser.add_option('--virtualo', action='store_true', dest='virtualo', default=False,
 103                       help='prepare files for Virtualo API')
 104
 105     options, input_filenames = parser.parse_args()
 106
 107     if len(input_filenames) < 1:
 108         parser.print_help()
 109         exit(1)
 110
 111     if options.virtualo:
 112         virtualo(input_filenames, options.output_dir, options.verbose)