playpackage.py

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#!/usr/bin/env python

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# Author: Matthias Nieuwenhuisen, Blaise Gassend


import sys

if __name__ == '__main__':
    if len(sys.argv) < 3 or len(sys.argv) > 4 or sys.argv[1] == '--help':
        print('Usage: %s package sound_to_play.(ogg|wav) [volume]' % sys.argv[0])
        print()
        print('Plays an .OGG or .WAV file. The path to the file should be relative to the package, and be valid on the computer on which sound_play is running. \n The (optional) volume 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()

    volume = float(sys.argv[3]) if len(sys.argv) == 4 else 1.0

    rospy.sleep(1)
    rospy.loginfo('Playing "%s" from pkg "%s".' % (sys.argv[2], sys.argv[1]))
    soundhandle.playWaveFromPkg(sys.argv[1], sys.argv[2], volume)
    rospy.sleep(1)