def broadcast(self, url='', isDVD=False):
from os.path import isfile
if url=='DVD':
isDVD=True
url=''
if not isDVD:
if not isfile(url):
return {'result':'Bad file'}
for i in NetworkUtils.all_interfaces():
if i[0]!='lo':
try:
self.classroom.CommandStack[i[1]].append(['rootClean','239.255.255.0',NetworkUtils.ltspGW()])
except: #host not avaialble
pass
self.classroom.broadcast.clean_callbacks()
self.classroom.broadcast.add_callback('started',self.startbcast)
self.classroom.broadcast.add_callback('ended',self.stopbcast)
result=self.classroom.broadcast.transmit(url,isDVD)
if result!=True:
self.stopbcast
return {'result':result}
