downloadtools.py 文件源码

def downloadfileRTMP(url,nombrefichero,silent):
  ''' No usa librtmp ya que no siempre está disponible.
      Lanza un subproceso con rtmpdump. En Windows es necesario instalarlo.
      No usa threads así que no muestra ninguna barra de progreso ni tampoco
      se marca el final real de la descarga en el log info.
  '''
  Programfiles = os.getenv('Programfiles')
  if Programfiles:  # Windows
    rtmpdump_cmd = Programfiles + "/rtmpdump/rtmpdump.exe"
    nombrefichero = '"'+nombrefichero+'"'  # Windows necesita las comillas en el nombre
  else:
    rtmpdump_cmd = "/usr/bin/rtmpdump"

  if not os.path.isfile(rtmpdump_cmd) and not silent:
    from platformcode import platformtools
    advertencia = platformtools.dialog_ok( "Falta " + rtmpdump_cmd, "Comprueba que rtmpdump está instalado")
    return True

  valid_rtmpdump_options = ["help", "url", "rtmp", "host", "port", "socks", "protocol", "playpath", "playlist", "swfUrl", "tcUrl", "pageUrl", "app", "swfhash", "swfsize", "swfVfy", "swfAge", "auth", "conn", "flashVer", "live", "subscribe", "realtime", "flv", "resume", "timeout", "start", "stop", "token", "jtv", "hashes", "buffer", "skip", "quiet", "verbose", "debug"]   # for rtmpdump 2.4

  url_args = url.split(' ')
  rtmp_url = url_args[0]
  rtmp_args = url_args[1:]

  rtmpdump_args = ["--rtmp", rtmp_url]
  for arg in rtmp_args:
    n = arg.find('=')
    if n < 0: 
      if arg not in valid_rtmpdump_options:
        continue
      rtmpdump_args += ["--"+arg]
    else:
      if arg[:n] not in valid_rtmpdump_options:
        continue
      rtmpdump_args += ["--"+arg[:n], arg[n+1:]]

  try:
    rtmpdump_args = [rtmpdump_cmd] + rtmpdump_args + ["-o", nombrefichero]
    from os import spawnv, P_NOWAIT
    logger.info("Iniciando descarga del fichero: %s" % " ".join(rtmpdump_args))
    rtmpdump_exit = spawnv(P_NOWAIT, rtmpdump_cmd, rtmpdump_args)
    if not silent:
      from platformcode import platformtools
      advertencia = platformtools.dialog_ok( "La opción de descarga RTMP es experimental", "y el vídeo se descargará en segundo plano.", "No se mostrará ninguna barra de progreso.")
  except:
      return True

  return