mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-24 00:50:30 +00:00
147 lines
5.6 KiB
Python
147 lines
5.6 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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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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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.debug('Rarfile failed with error: {}'.format(ex))
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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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archive = ComicArchive(tmp_file_name, rar_exe_path=rar_executable)
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for index, name in enumerate(archive.getPageNameList()):
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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 = archive.getPage(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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archive = ComicArchive(tmp_file_path, rar_exe_path=rar_executable)
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if archive.seemsToBeAComicArchive():
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if archive.hasMetadata(MetaDataStyle.CIX):
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style = MetaDataStyle.CIX
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elif archive.hasMetadata(MetaDataStyle.CBI):
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style = MetaDataStyle.CBI
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else:
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style = None
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# if style is not None:
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loaded_metadata = archive.readMetadata(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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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=u'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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