play.py

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#!/usr/bin/env python

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# Author: Blaise Gassend


if __name__ == '__main__':
    import rospy
    rospy.init_node('play', anonymous=True)
    argv = rospy.myargv()
    if len(argv) < 2 or len(argv) > 3 or argv[1] == '--help':
        print('Usage: %s sound_to_play.(ogg|wav) [volume]' % argv[0])
        print()
        print('Plays an .OGG or .WAV file. The path to the file should be absolute, and be valid on the computer on which sound_play is running.\n The (optional) second parameter sets the volume for the sound as a value between 0 and 1.0, where 0 is mute.')
        exit(1)

    # Import after printing usage for speed.
    from sound_play.msg import SoundRequest
    from sound_play.libsoundplay import SoundClient

    soundhandle = SoundClient()

    rospy.sleep(1)
    rospy.loginfo('Playing "%s".' % argv[1])

    volume = float(argv[2]) if len(argv) == 3 else 1.0

    soundhandle.playWave(argv[1], volume)
    rospy.sleep(1)