Source code for pytomo.kaa_metadata.audio.webradio
# -*- coding: iso-8859-1 -*-
# -----------------------------------------------------------------------------
# webradio.py - read webradio attributes
# -----------------------------------------------------------------------------
# $Id: webradio.py 2581 2007-03-22 14:16:50Z tack $
#
# -----------------------------------------------------------------------------
# kaa-Metadata - Media Metadata for Python
# Copyright (C) 2003-2006 Thomas Schueppel, Dirk Meyer
#
# First Edition: Thomas Schueppel <stain@acm.org>
# Maintainer: Dirk Meyer <dischi@freevo.org>
#
# Please see the file AUTHORS for a complete list of authors.
#
# 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 2 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 MER-
# CHANTABILITY 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, write to the Free Software Foundation, Inc.,
# 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# -----------------------------------------------------------------------------
from __future__ import absolute_import
__all__ = ['Parser']
# python imports
import urlparse
import string
import urllib
# import kaa_metadata.audio core
from . import core
# http://205.188.209.193:80/stream/1006
ICY = { 'icy-name': 'title',
'icy-genre': 'genre',
'icy-br': 'bitrate',
'icy-url': 'caption'
}
class WebRadio(core.Music):
table_mapping = { 'ICY' : ICY }
def __init__(self, url):
core.Music.__init__(self)
tup = urlparse.urlsplit(url)
scheme, location, path, query, fragment = tup
if scheme != 'http':
raise core.ParseError()
# Open an URL Connection
fi = urllib.urlopen(url)
# grab the statusline
self.statusline = fi.readline()
try:
statuslist = string.split(self.statusline)
except ValueError:
# assume it is okay since so many servers are badly configured
statuslist = ["ICY", "200"]
if statuslist[1] != "200":
if fi:
fi.close()
raise core.ParseError()
self.type = 'audio'
self.subtype = 'mp3'
# grab any headers for a max of 10 lines
linecnt = 0
tab = {}
lines = fi.readlines(512)
for linecnt in range(0,11):
icyline = lines[linecnt]
icyline = icyline.rstrip('\r\n')
if len(icyline) < 4:
break
cidx = icyline.find(':')
if cidx != -1:
# break on short line (ie. really should be a blank line)
# strip leading and trailing whitespace
tab[icyline[:cidx].strip()] = icyline[cidx+2:].strip()
if fi:
fi.close()
self._appendtable('ICY', tab)
def _finalize(self):
core.Music._finalize(self)
self.bitrate = string.atoi(self.bitrate)*1000
Parser = WebRadio