mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-25 17:40:31 +00:00
189 lines
7.4 KiB
Python
189 lines
7.4 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
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# Copyright (C) 2018-2022 OzzieIsaacs
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import os
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from . import logger, isoLanguages, cover
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from .constants import BookMeta
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try:
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from wand.image import Image
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use_IM = True
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except (ImportError, RuntimeError) as e:
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use_IM = False
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log = logger.create()
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try:
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from comicapi.comicarchive import ComicArchive, MetaDataStyle
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use_comic_meta = True
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try:
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from comicapi import __version__ as comic_version
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except ImportError:
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comic_version = ''
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try:
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from comicapi.comicarchive import load_archive_plugins
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import comicapi.utils
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comicapi.utils.add_rar_paths()
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except ImportError:
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load_archive_plugins = None
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except (ImportError, LookupError) as e:
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log.debug('Cannot import comicapi, extracting comic metadata will not work: %s', e)
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import zipfile
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import tarfile
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try:
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import rarfile
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use_rarfile = True
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except (ImportError, SyntaxError) as e:
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log.debug('Cannot import rarfile, extracting cover files from rar files will not work: %s', e)
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use_rarfile = False
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try:
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import py7zr
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use_7zip = True
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except (ImportError, SyntaxError) as e:
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log.debug('Cannot import py7zr, extracting cover files from CB7 files will not work: %s', e)
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use_7zip = False
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use_comic_meta = False
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def _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_executable):
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cover_data = extension = None
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if original_file_extension.upper() == '.CBZ':
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cf = zipfile.ZipFile(tmp_file_name)
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for name in cf.namelist():
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ext = os.path.splitext(name)
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if len(ext) > 1:
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extension = ext[1].lower()
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if extension in cover.COVER_EXTENSIONS:
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cover_data = cf.read(name)
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break
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elif original_file_extension.upper() == '.CBT':
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cf = tarfile.TarFile(tmp_file_name)
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for name in cf.getnames():
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ext = os.path.splitext(name)
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if len(ext) > 1:
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extension = ext[1].lower()
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if extension in cover.COVER_EXTENSIONS:
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cover_data = cf.extractfile(name).read()
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break
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elif original_file_extension.upper() == '.CBR' and use_rarfile:
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try:
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rarfile.UNRAR_TOOL = rar_executable
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cf = rarfile.RarFile(tmp_file_name)
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for name in cf.namelist():
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ext = os.path.splitext(name)
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if len(ext) > 1:
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extension = ext[1].lower()
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if extension in cover.COVER_EXTENSIONS:
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cover_data = cf.read([name])
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break
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except Exception as ex:
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log.error('Rarfile failed with error: {}'.format(ex))
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elif original_file_extension.upper() == '.CB7' and use_7zip:
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cf = py7zr.SevenZipFile(tmp_file_name)
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for name in cf.getnames():
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ext = os.path.splitext(name)
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if len(ext) > 1:
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extension = ext[1].lower()
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if extension in cover.COVER_EXTENSIONS:
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try:
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cover_data = cf.read([name])[name].read()
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except (py7zr.Bad7zFile, OSError) as ex:
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log.error('7Zip file failed with error: {}'.format(ex))
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break
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return cover_data, extension
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def _extract_cover(tmp_file_name, original_file_extension, rar_executable):
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cover_data = extension = None
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if use_comic_meta:
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try:
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archive = ComicArchive(tmp_file_name, rar_exe_path=rar_executable)
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except TypeError:
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archive = ComicArchive(tmp_file_name)
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name_list = archive.getPageNameList if hasattr(archive, "getPageNameList") else archive.get_page_name_list
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for index, name in enumerate(name_list()):
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ext = os.path.splitext(name)
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if len(ext) > 1:
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extension = ext[1].lower()
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if extension in cover.COVER_EXTENSIONS:
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get_page = archive.getPage if hasattr(archive, "getPageNameList") else archive.get_page
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cover_data = get_page(index)
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break
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else:
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cover_data, extension = _extract_cover_from_archive(original_file_extension, tmp_file_name, rar_executable)
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return cover.cover_processing(tmp_file_name, cover_data, extension)
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def get_comic_info(tmp_file_path, original_file_name, original_file_extension, rar_executable):
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if use_comic_meta:
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try:
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archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
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except TypeError:
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load_archive_plugins(force=True, rar=rar_executable)
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archive = ComicArchive(tmp_file_path)
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if hasattr(archive, "seemsToBeAComicArchive"):
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seems_archive = archive.seemsToBeAComicArchive
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else:
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seems_archive = archive.seems_to_be_a_comic_archive
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if seems_archive():
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has_metadata = archive.hasMetadata if hasattr(archive, "hasMetadata") else archive.has_metadata
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if has_metadata(MetaDataStyle.CIX):
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style = MetaDataStyle.CIX
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elif has_metadata(MetaDataStyle.CBI):
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style = MetaDataStyle.CBI
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else:
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style = None
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read_metadata = archive.readMetadata if hasattr(archive, "readMetadata") else archive.read_metadata
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loaded_metadata = read_metadata(style)
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lang = loaded_metadata.language or ""
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loaded_metadata.language = isoLanguages.get_lang3(lang)
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return BookMeta(
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file_path=tmp_file_path,
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extension=original_file_extension,
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title=loaded_metadata.title or original_file_name,
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author=" & ".join([credit["person"]
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for credit in loaded_metadata.credits if credit["role"] == "Writer"]) or 'Unknown',
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cover=_extract_cover(tmp_file_path, original_file_extension, rar_executable),
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description=loaded_metadata.comments or "",
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tags="",
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series=loaded_metadata.series or "",
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series_id=loaded_metadata.issue or "",
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languages=loaded_metadata.language,
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publisher="",
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pubdate="",
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identifiers=[])
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return BookMeta(
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file_path=tmp_file_path,
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extension=original_file_extension,
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title=original_file_name,
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author='Unknown',
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cover=_extract_cover(tmp_file_path, original_file_extension, rar_executable),
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description="",
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tags="",
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series="",
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series_id="",
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languages="",
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publisher="",
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pubdate="",
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identifiers=[])
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