parallel-library/cps/comic.py

#!/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
import uploader
from comicapi.comicarchive import ComicArchive, MetaDataStyle
from iso639 import languages as isoLanguages

def extractCover(tmp_file_name, original_file_extension):
    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)
    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):
    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 uploader.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)