# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+from __future__ import print_function, unicode_literals
+
import os
-from copy import deepcopy
-from lxml import etree
-from librarian import pdf, epub, DirDocProvider, ParseError, cover
+from librarian import pdf, epub, mobi, DirDocProvider, ParseError
from librarian.parser import WLDocument
+from .util import makedirs
+
class Packager(object):
cover = None
flags = None
@classmethod
- def prepare_file(cls, main_input, output_dir, verbose=False):
+ def transform(cls, *args, **kwargs):
+ return cls.converter.transform(*args, **kwargs)
+
+ @classmethod
+ def prepare_file(cls, main_input, output_dir, verbose=False, overwrite=False):
path, fname = os.path.realpath(main_input).rsplit('/', 1)
provider = DirDocProvider(path)
slug, ext = os.path.splitext(fname)
if output_dir != '':
- try:
- os.makedirs(output_dir)
- except:
- pass
+ makedirs(output_dir)
outfile = os.path.join(output_dir, slug + '.' + cls.ext)
+ if os.path.exists(outfile) and not overwrite:
+ return
doc = WLDocument.from_file(main_input, provider=provider)
- output_file = cls.converter.transform(doc,
- cover=cls.cover, flags=cls.flags)
+ output_file = cls.transform(doc, cover=cls.cover, flags=cls.flags)
doc.save_output_file(output_file, output_path=outfile)
-
@classmethod
- def prepare(cls, input_filenames, output_dir='', verbose=False):
+ def prepare(cls, input_filenames, output_dir='', verbose=False, overwrite=False):
try:
for main_input in input_filenames:
if verbose:
- print main_input
- cls.prepare_file(main_input, output_dir, verbose)
- except ParseError, e:
- print '%(file)s:%(name)s:%(message)s' % {
+ print(main_input)
+ cls.prepare_file(main_input, output_dir, verbose, overwrite)
+ except ParseError as e:
+ print('%(file)s:%(name)s:%(message)s' % {
'file': main_input,
'name': e.__class__.__name__,
'message': e.message
- }
+ })
class EpubPackager(Packager):
converter = epub
ext = 'epub'
-class PdfPackager(Packager):
- converter = pdf
- ext = 'pdf'
-
-
-class GandalfEpubPackager(EpubPackager):
- cover = cover.GandalfCover
-
-class GandalfPdfPackager(PdfPackager):
- cover = cover.GandalfCover
-
-class BookotekaEpubPackager(EpubPackager):
- cover = cover.BookotekaCover
-class PrestigioEpubPackager(EpubPackager):
- cover = cover.PrestigioCover
- flags = ('less-advertising',)
+class MobiPackager(Packager):
+ converter = mobi
+ ext = 'mobi'
-class PrestigioPdfPackager(PdfPackager):
- cover = cover.PrestigioCover
- flags = ('less-advertising',)
-
-class VirtualoEpubPackager(Packager):
- @staticmethod
- def utf_trunc(text, limit):
- """ truncates text to at most `limit' bytes in utf-8 """
- if text is None:
- return text
- if len(text.encode('utf-8')) > limit:
- newlimit = limit - 3
- while len(text.encode('utf-8')) > newlimit:
- text = text[:(newlimit - len(text.encode('utf-8'))) / 4]
- text += '...'
- return text
+class PdfPackager(Packager):
+ converter = pdf
+ ext = 'pdf'
@classmethod
- def prepare(cls, input_filenames, output_dir='', verbose=False):
- xml = etree.fromstring("""<?xml version="1.0" encoding="utf-8"?>
- <products xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"></products>""")
- product = etree.fromstring("""<product>
- <publisherProductId></publisherProductId>
- <title></title>
- <info></info>
- <description></description>
- <authors>
- <author>
- <names>Jan</names>
- <lastName>Kowalski</lastName>
- </author>
- </authors>
- <price>0.0</price>
- <language>PL</language>
- </product>""")
-
- try:
- for main_input in input_filenames:
- if verbose:
- print main_input
- path, fname = os.path.realpath(main_input).rsplit('/', 1)
- provider = DirDocProvider(path)
- slug, ext = os.path.splitext(fname)
-
- outfile_dir = os.path.join(output_dir, slug)
- os.makedirs(os.path.join(output_dir, slug))
-
- doc = WLDocument.from_file(main_input, provider=provider)
- info = doc.book_info
-
- product_elem = deepcopy(product)
- product_elem[0].text = cls.utf_trunc(slug, 100)
- product_elem[1].text = cls.utf_trunc(info.title, 255)
- product_elem[2].text = cls.utf_trunc(info.description, 255)
- product_elem[3].text = cls.utf_trunc(info.source_name, 3000)
- product_elem[4][0][0].text = cls.utf_trunc(u' '.join(info.author.first_names), 100)
- product_elem[4][0][1].text = cls.utf_trunc(info.author.last_name, 100)
- xml.append(product_elem)
-
- cover.VirtualoCover(info).save(os.path.join(outfile_dir, slug+'.jpg'))
- outfile = os.path.join(outfile_dir, '1.epub')
- outfile_sample = os.path.join(outfile_dir, '1.sample.epub')
- doc.save_output_file(epub.transform(doc),
- output_path=outfile)
- doc.save_output_file(epub.transform(doc, sample=25),
- output_path=outfile_sample)
- except ParseError, e:
- print '%(file)s:%(name)s:%(message)s' % {
- 'file': main_input,
- 'name': e.__class__.__name__,
- 'message': e.message
- }
-
- xml_file = open(os.path.join(output_dir, 'import_products.xml'), 'w')
- xml_file.write(etree.tostring(xml, pretty_print=True, encoding=unicode).encode('utf-8'))
- xml_file.close()
+ def transform(cls, *args, **kwargs):
+ return cls.converter.transform(*args, morefloats='new', **kwargs)
fnp / librarian.git / blobdiff