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XspfPlaylistDecoder.py    63 lines (54 with data), 2.1 kB

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##########################################################################
# Copyright 2009 Carlos Ribeiro
#
# This file is part of Radio Tray
#
# Radio Tray 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 1 of the License, or
# (at your option) any later version.
#
# Radio Tray 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 Radio Tray. If not, see <http://www.gnu.org/licenses/>.
#
##########################################################################
import sys
PY3 = sys.version > '3'
if PY3:
from urllib.request import Request as UrlRequest
from urllib.request import urlopen as urlUrlopen
else:
from urllib2 import Request as UrlRequest
from urllib2 import urlopen as urlUrlopen
import xml.etree.ElementTree as ET
from io import BytesIO
from lib.common import USER_AGENT, Logger
class XspfPlaylistDecoder:
def __init__(self):
self.log = Logger()
def isStreamValid(self, contentType, firstBytes):
if 'application/xspf+xml' in contentType:
self.log.info('Stream is readable by XSPF Playlist Decoder')
return True
else:
return False
def extractPlaylist(self, url):
self.log.info('XSPF: downloading playlist...')
req = UrlRequest(url)
req.add_header('User-Agent', USER_AGENT)
f = urlUrlopen(req)
str = f.read()
f.close()
self.log.info('XSPF: playlist downloaded, decoding...')
root = ET.parse(BytesIO(str))
ns = {'xspf':'http://xspf.org/ns/0/'}
elements = root.findall(".//xspf:track/xspf:location", ns)
result = []
for r in elements:
result.append(r.text)
return result