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