# -*- coding: utf-8 -*-
#
# gPodder - A media aggregator and podcast client
# Copyright (c) 2005-2018 The gPodder Team
#
# gPodder 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.
#
# gPodder 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 .
#
#
# gpodder.coverart - Unified cover art downloading module (2012-03-04)
#
import logging
import os
import shutil
import urllib.parse
import gpodder
from gpodder import util, youtube
_ = gpodder.gettext
logger = logging.getLogger(__name__)
class CoverDownloader(object):
# File name extension dict, lists supported cover art extensions
# Values: functions that check if some data is of that file type
SUPPORTED_EXTENSIONS = {
'.png': lambda d: d.startswith(b'\x89PNG\r\n\x1a\n\x00'),
'.jpg': lambda d: d.startswith(b'\xff\xd8'),
'.gif': lambda d: d.startswith(b'GIF89a') or d.startswith(b'GIF87a'),
'.ico': lambda d: d.startswith(b'\0\0\1\0'),
'.svg': lambda d: d.startswith(b'