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calibre-web/cps/comic.py

121 lines
4.4 KiB
Python
Executable File

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
# Copyright (C) 2018 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 <http://www.gnu.org/licenses/>.
import os
from constants import BookMeta
from cps import app
from iso639 import languages as isoLanguages
try:
from comicapi.comicarchive import ComicArchive, MetaDataStyle
use_comic_meta = True
except ImportError as e:
app.logger.warning('cannot import comicapi, extracting comic metadata will not work: %s', e)
import zipfile
import tarfile
use_comic_meta = False
def extractCover(tmp_file_name, original_file_extension):
if use_comic_meta:
archive = ComicArchive(tmp_file_name)
cover_data = None
ext = os.path.splitext(archive.getPageName(0))
if len(ext) > 1:
extension = ext[1].lower()
if extension == '.jpg' or extension == '.jpeg':
cover_data = archive.getPage(0)
else:
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 == '.jpg':
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 == '.jpg':
cover_data = cf.extractfile(name).read()
break
prefix = os.path.dirname(tmp_file_name)
if cover_data:
tmp_cover_name = prefix + '/cover' + extension
image = open(tmp_cover_name, 'wb')
image.write(cover_data)
image.close()
else:
tmp_cover_name = None
return tmp_cover_name
def get_comic_info(tmp_file_path, original_file_name, original_file_extension):
if use_comic_meta:
archive = ComicArchive(tmp_file_path)
if archive.seemsToBeAComicArchive():
if archive.hasMetadata(MetaDataStyle.CIX):
style = MetaDataStyle.CIX
elif archive.hasMetadata(MetaDataStyle.CBI):
style = MetaDataStyle.CBI
else:
style = None
if style is not None:
loadedMetadata = archive.readMetadata(style)
lang = loadedMetadata.language
if len(lang) == 2:
loadedMetadata.language = isoLanguages.get(part1=lang).name
elif len(lang) == 3:
loadedMetadata.language = isoLanguages.get(part3=lang).name
else:
loadedMetadata.language = ""
return BookMeta(
file_path=tmp_file_path,
extension=original_file_extension,
title=loadedMetadata.title or original_file_name,
author=" & ".join([credit["person"] for credit in loadedMetadata.credits if credit["role"] == "Writer"]) or u"Unknown",
cover=extractCover(tmp_file_path, original_file_extension),
description=loadedMetadata.comments or "",
tags="",
series=loadedMetadata.series or "",
series_id=loadedMetadata.issue or "",
languages=loadedMetadata.language)
else:
return BookMeta(
file_path=tmp_file_path,
extension=original_file_extension,
title=original_file_name,
author=u"Unknown",
cover=extractCover(tmp_file_path, original_file_extension),
description="",
tags="",
series="",
series_id="",
languages="")