maintenance: use modules properly

parsers/mobi.py

@@ -0,0 +1,98 @@
+#!/usr/bin/env python3
+
+# This file is a part of Lector, a Qt based ebook reader
+# Copyright (C) 2017 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
+
+from ePub.read_epub import EPUB
+import KindleUnpack.kindleunpack as KindleUnpack
+
+
+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)
+        contents_found = self.book_ref.read_epub()
+        if not contents_found:
+            print('Cannot process: ' + self.filename)
+            return
+        self.book = self.book_ref.book
+
+    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):
+        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)
+        file_settings = {
+            'images_only': False}
+        return self.book['book_list'], file_settings
+
+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