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import argparse
from pyatem.command import CutCommand, PreviewInputCommand
from pyatem.protocol import AtemProtocol
switcher = None
_inputs = {}
_switch_to = None
looping = True
def input_changed(inputproperties):
global _inputs
_inputs[inputproperties.short_name] = inputproperties.index
def connection_ready(*args):
global looping
select = PreviewInputCommand(index=0, source=_inputs[_switch_to])
switch = CutCommand(index=0)
switcher.send_commands([select, switch])
looping = False
def main():
global switcher, _switch_to
parser = argparse.ArgumentParser(description="Atem CLI")
parser.add_argument('ip', help='Atem ip or "usb" for usb')
parser.add_argument('command', help='Command to execute')
args = parser.parse_args()
_switch_to = args.command
if args.ip == 'usb':
switcher = AtemProtocol(usb='auto')
else:
switcher = AtemProtocol(ip=args.ip)
switcher.on('change:input-properties:*', input_changed)
switcher.on('connected', connection_ready)
switcher.connect()
while looping:
switcher.loop()
if __name__ == '__main__':
main()
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