mirror of
https://github.com/janeczku/calibre-web
synced 2024-12-27 10:30:31 +00:00
49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
|
# -*- coding: utf-8 -*-
|
||
|
|
|
||
|
|
# This file is part of the Calibre-Web (https://github.com/janeczku/calibre-web)
|
||
|
|
# Copyright (C) 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 <http://www.gnu.org/licenses/>.
|
||
|
|
|
||
|
|
import os
|
||
|
|
|
||
|
|
try:
|
||
|
|
from wand.image import Image
|
||
|
|
use_IM = True
|
||
|
|
except (ImportError, RuntimeError) as e:
|
||
|
|
use_IM = False
|
||
|
|
|
||
|
|
|
||
|
|
NO_JPEG_EXTENSIONS = ['.png', '.webp', '.bmp']
|
||
|
|
COVER_EXTENSIONS = ['.png', '.webp', '.bmp', '.jpg', '.jpeg']
|
||
|
|
|
||
|
|
|
||
|
|
def cover_processing(tmp_file_name, img, extension):
|
||
|
|
tmp_cover_name = os.path.join(os.path.dirname(tmp_file_name), 'cover.jpg')
|
||
|
|
if extension in NO_JPEG_EXTENSIONS:
|
||
|
|
if use_IM:
|
||
|
|
with Image(blob=img) as imgc:
|
||
|
|
imgc.format = 'jpeg'
|
||
|
|
imgc.transform_colorspace('rgb')
|
||
|
|
imgc.save(filename=tmp_cover_name)
|
||
|
|
return tmp_cover_name
|
||
|
|
else:
|
||
|
|
return None
|
||
|
|
if img:
|
||
|
|
with open(tmp_cover_name, 'wb') as f:
|
||
|
|
f.write(img)
|
||
|
|
return tmp_cover_name
|
||
|
|
else:
|
||
|
|
return None
|