def ping(frm):
   print '<====== Funcion ping() ======>'
   ip = to.ip().rstrip()  # get the public IP
   print 'ip=',ip
   #print 'echo "La IP de Gallifrey es: %s" | mutt %s'%(ip,mail)
   host = os.uname()[1] # get the hostname
   ## Reply
   dest = frm
   body = 'La IP de %s es: %s'%(host,ip)
   sub = 'PING'
   mt.send_mail(dest,body,subject=sub)
def photo(frm,path='/tmp/silent_guardian'):
   print '<====== Funcion photo() ======>'
   os.system('mkdir -p %s'%(path))
   command = 'streamer -f jpeg -o %s/image.jpeg '%(path)
   print 'Hago foto (opencv... whatever)'
   os.system(command)
   ## Reply
   print 'Envio mail con foto (mutt)'
   dest = frm
   now = dt.datetime.now().strftime("%Y-%m-%d %H:%M")
   body = 'Ahí va la foto @ %s'%(now)
   sub = 'PHOTO'
   att = '%s/image.jpeg '%(path)
   mt.send_mail(dest,body,subject=sub,attach=att)