# -*- coding: utf-8 -*- # This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web) # Copyright (C) 2018-2022 OzzieIsaacs # # 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 . import os from . import logger, isoLanguages, cover from .constants import BookMeta try: from wand.image import Image use_IM = True except (ImportError, RuntimeError) as e: use_IM = False log = logger.create() try: from comicapi.comicarchive import ComicArchive, MetaDataStyle use_comic_meta = True try: from comicapi import __version__ as comic_version except ImportError: comic_version = '' try: from comicapi.comicarchive import load_archive_plugins import comicapi.utils comicapi.utils.add_rar_paths() except ImportError: load_archive_plugins = None except (ImportError, LookupError) as e: log.debug('Cannot import comicapi, extracting comic metadata will not work: %s', e) import zipfile import tarfile try: import rarfile use_rarfile = True except (ImportError, SyntaxError) as e: log.debug('Cannot import rarfile, extracting cover files from rar files will not work: %s', e) use_rarfile = False try: import py7zr use_7zip = True except (ImportError, SyntaxError) as e: log.debug('Cannot import py7zr, extracting cover files from CB7 files will not work: %s', e) use_7zip = False use_comic_meta = False def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_executable): cover_data = extension = None if original_file_extension.upper() == '.CBZ': cf = zipfile.ZipFile(tmp_file_name) for name in cf.namelist(): ext = os.path.splitext(name) if len(ext) > 1: extension = ext[1].lower() if extension in cover.COVER_EXTENSIONS: cover_data = cf.read(name) break elif original_file_extension.upper() == '.CBT': cf = tarfile.TarFile(tmp_file_name) for name in cf.getnames(): ext = os.path.splitext(name) if len(ext) > 1: extension = ext[1].lower() if extension in cover.COVER_EXTENSIONS: cover_data = cf.extractfile(name).read() break elif original_file_extension.upper() == '.CBR' and use_rarfile: try: rarfile.UNRAR_TOOL = rar_executable cf = rarfile.RarFile(tmp_file_name) for name in cf.namelist(): ext = os.path.splitext(name) if len(ext) > 1: extension = ext[1].lower() if extension in cover.COVER_EXTENSIONS: cover_data = cf.read(name) break except Exception as ex: log.error('Rarfile failed with error: {}'.format(ex)) elif original_file_extension.upper() == '.CB7' and use_7zip: cf = py7zr.SevenZipFile(tmp_file_name) for name in cf.getnames(): ext = os.path.splitext(name) if len(ext) > 1: extension = ext[1].lower() if extension in cover.COVER_EXTENSIONS: try: cover_data = cf.read([name])[name].read() except (py7zr.Bad7zFile, OSError) as ex: log.error('7Zip file failed with error: {}'.format(ex)) break return cover_data, extension def _extract_cover(tmp_file_path, original_file_extension, rar_executable): cover_data = extension = None if use_comic_meta: try: archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable) except TypeError: archive = ComicArchive(tmp_file_path) name_list = archive.getPageNameList if hasattr(archive, "getPageNameList") else archive.get_page_name_list for index, name in enumerate(name_list()): ext = os.path.splitext(name) if len(ext) > 1: extension = ext[1].lower() if extension in cover.COVER_EXTENSIONS: get_page = archive.getPage if hasattr(archive, "getPageNameList") else archive.get_page cover_data = get_page(index) break else: cover_data, extension = _extract_cover_from_archive(original_file_extension, tmp_file_path, rar_executable) return cover.cover_processing(tmp_file_path, cover_data, extension) def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable, no_cover_processing): if use_comic_meta: try: archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable) except TypeError: load_archive_plugins(force=True, rar=rar_executable) archive = ComicArchive(tmp_file_path) if hasattr(archive, "seemsToBeAComicArchive"): seems_archive = archive.seemsToBeAComicArchive else: seems_archive = archive.seems_to_be_a_comic_archive if seems_archive(): has_metadata = archive.hasMetadata if hasattr(archive, "hasMetadata") else archive.has_metadata if has_metadata(MetaDataStyle.CIX): style = MetaDataStyle.CIX elif has_metadata(MetaDataStyle.CBI): style = MetaDataStyle.CBI else: style = None read_metadata = archive.readMetadata if hasattr(archive, "readMetadata") else archive.read_metadata loaded_metadata = read_metadata(style) lang = loaded_metadata.language or "" loaded_metadata.language = isoLanguages.get_lang3(lang) if not no_cover_processing: cover_file = _extract_cover(tmp_file_path, original_file_extension, rar_executable) else: cover_file = None return BookMeta( file_path=tmp_file_path, extension=original_file_extension, title=loaded_metadata.title or original_file_name, author=" & ".join([credit["person"] for credit in loaded_metadata.credits if credit["role"] == "Writer"]) or 'Unknown', cover=cover_file, description=loaded_metadata.comments or "", tags="", series=loaded_metadata.series or "", series_id=loaded_metadata.issue or "", languages=loaded_metadata.language, publisher="", pubdate="", identifiers=[]) if not no_cover_processing: cover_file = _extract_cover(tmp_file_path, original_file_extension, rar_executable) else: cover_file = None return BookMeta( file_path=tmp_file_path, extension=original_file_extension, title=original_file_name, author='Unknown', cover=cover_file, description="", tags="", series="", series_id="", languages="", publisher="", pubdate="", identifiers=[])