Files
Lector/lector/parsers/mobi.py
BasioMeusPuga c6e30b67ad Improve EPUB parser compatibility and speed
Completely break MOBI parser
2019-02-10 06:47:51 +05:30

107 lines
3.3 KiB
Python

# This file is a part of Lector, a Qt based ebook reader
# Copyright (C) 2017-2019 BasioMeusPuga
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# This module parses Amazon ebooks using KindleUnpack to first create an
# epub that is then read the usual way
import os
import sys
import shutil
import zipfile
import logging
from lector.readers.read_epub import EPUB
import lector.KindleUnpack.kindleunpack as KindleUnpack
logger = logging.getLogger(__name__)
class ParseMOBI:
def __init__(self, filename, temp_dir, file_md5):
self.book_ref = None
self.book = None
self.filename = filename
self.epub_filepath = None
self.split_large_xml = False
self.temp_dir = temp_dir
self.extract_dir = os.path.join(temp_dir, file_md5)
def read_book(self):
with HidePrinting():
KindleUnpack.unpackBook(self.filename, self.extract_dir)
epub_filename = os.path.splitext(
os.path.basename(self.filename))[0] + '.epub'
self.epub_filepath = os.path.join(
self.extract_dir, 'mobi8', epub_filename)
if not os.path.exists(self.epub_filepath):
zip_dir = os.path.join(self.extract_dir, 'mobi7')
zip_file = os.path.join(
self.extract_dir, epub_filename)
self.epub_filepath = shutil.make_archive(zip_file, 'zip', zip_dir)
self.split_large_xml = True
self.book_ref = EPUB(self.epub_filepath, self.temp_dir)
self.book_ref.generate_metadata()
self.book_ref.generate_toc()
self.book_ref.generate_content()
self.book = self.book_ref.book
return True
def get_title(self):
return self.book['title']
def get_author(self):
return self.book['author']
def get_year(self):
return self.book['year']
def get_cover_image(self):
return self.book['cover']
def get_isbn(self):
return self.book['isbn']
def get_tags(self):
return self.book['tags']
def get_contents(self):
return
extract_path = os.path.join(self.extract_dir)
zipfile.ZipFile(self.epub_filepath).extractall(extract_path)
self.book_ref.parse_chapters(
temp_dir=self.temp_dir, split_large_xml=self.split_large_xml)
toc = []
content = []
for count, i in enumerate(self.book['book_list']):
toc.append((1, i[0], count + 1))
content.append(i[1])
# Return toc, content, images_only
return toc, content, False
class HidePrinting:
def __enter__(self):
self._original_stdout = sys.stdout
sys.stdout = None
def __exit__(self, exc_type, exc_val, exc_tb):
sys.stdout = self._original_stdout