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import qmsk.dmx

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import logging; log = logging.getLogger('dmx')

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import argparse

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def main (argv) :

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    parser = argparse.ArgumentParser()

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    parser.add_argument('--serial', default=qmsk.dmx.DMX.SERIAL,

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            help="Path to /dev/tty*")

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    parser.add_argument('--zero', action='store_true',

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            help="Zero output before setting")

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    parser.add_argument('--start', type=int,

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            help="Set from start offset")

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    parser.add_argument('--stop', type=int,

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            help="Set to end offset")

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    parser.add_argument('--step', type=int,

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            help="Step")

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    parser.add_argument('channels', nargs='*', type=int,

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            help="Output channel values")

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    options = parser.parse_args(argv[1:])

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    logging.basicConfig(level=logging.DEBUG)

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    dmx = qmsk.dmx.DMX.open(options.serial)

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    if options.zero :

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        dmx.zero()

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    if options.start and options.stop and options.step :

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        dmx.range(options.start, options.stop, options.step, *options.channels)

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    elif options.start and options.stop :

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        dmx.fill(options.start, options.stop, *options.channels)

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    elif options.start :

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        dmx.set(options.start, *options.channels)

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    elif options.channels :

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        dmx.out(*options.channels)

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if __name__ == '__main__':

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    import sys

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    sys.exit(main(sys.argv))