Logo Search packages:      
Sourcecode: radiotray version File versions  Download package

XspfPlaylistDecoder.py

##########################################################################
# 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 urllib2
from lxml import etree
from lxml import objectify
from StringIO import StringIO

class XspfPlaylistDecoder:

    def __init__(self):
        print "XSPF playlist decoder"


    def isStreamValid(self, contentType, firstBytes):

        if('application/xspf+xml' in contentType):
            print "Stream is readable by XSPF Playlist Decoder"
            return True
        else:
            return False
        


    def extractPlaylist(self,  url):

        print "Downloading playlist..."

        req = urllib2.Request(url)
        f = urllib2.urlopen(req)
        str = f.read()
        f.close()

        print "Playlist downloaded"
        print "Decoding playlist..."

        parser = etree.XMLParser(recover=True)
        root = etree.parse(StringIO(str),parser)

        elements = root.xpath("//xspf:track/xspf:location",namespaces={'xspf':'http://xspf.org/ns/0/'})

        result = []
        for r in elements:
            result.append(r.text)

        if (len(result) > 0):
            return result
        else:
            return None

Generated by  Doxygen 1.6.0   Back to index