play.py

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#!/usr/bin/env python

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# Author: Blaise Gassend


import sys

if __name__ == '__main__':
    if len(sys.argv) < 2 or len(sys.argv) > 3 or sys.argv[1] == '--help':
        print 'Usage: %s sound_to_play.(ogg|wav) [volume]'%sys.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.
    import rospy
    from sound_play.msg import SoundRequest
    from sound_play.libsoundplay import SoundClient

    rospy.init_node('play', anonymous = True)
    soundhandle = SoundClient()

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

    volume = float(sys.argv[2]) if len(sys.argv) == 3 else 1.0
        
    soundhandle.playWave(sys.argv[1], volume)
    rospy.sleep(1)