Begin work on ePub parser

parsers/epub.py

@@ -0,0 +1,79 @@
+#!/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/>.
+
+import os
+import sys
+import zipfile
+
+from ePub.read_epub import EPUB
+
+
+class ParseEPUB:
+    def __init__(self, filename, temp_dir, file_md5):
+        # TODO
+        # Maybe also include book description
+        self.book_ref = None
+        self.book = None
+        self.temp_dir = temp_dir
+        self.filename = filename
+        self.file_md5 = file_md5
+
+    def read_book(self):
+        self.book_ref = EPUB(self.filename)
+        contents_path = self.book_ref.get_file_path('content.opf')
+        self.book_ref.generate_book(contents_path)
+        self.book_ref.parse_toc()
+        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 9999
+
+    def get_cover_image(self):
+        try:
+            return self.book['cover']
+        except KeyError:
+            return None
+
+    def get_isbn(self):
+        return self.book['isbn']
+
+    def get_tags(self):
+        return None
+
+    def get_contents(self):
+        extract_path = os.path.join(self.temp_dir, self.file_md5)
+        zipfile.ZipFile(self.filename).extractall(extract_path)
+
+        self.book_ref.parse_chapters()
+        file_settings = {
+            'images_only': False}
+        return self.book['navpoint_dict'], 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