36 lines
1.3 KiB
Python
36 lines
1.3 KiB
Python
import serial
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import logging
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from prometheus_async.aio import time
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from barcode_server.barcode import BarcodeEvent
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from barcode_server.notifier import BarcodeNotifier
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from barcode_server.stats import SERIAL_NOTIFIER_TIME
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LOGGER = logging.getLogger(__name__)
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class SerialNotifier(BarcodeNotifier):
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def __init__(self, pathA: str, pathB: str):
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super().__init__()
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self.pathA = pathA
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self.pathB = pathB
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self.inputDevicePathA = None
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self.inputDevicePathB = None
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self.usbA = serial.Serial(pathA, 9600, timeout=2)
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if pathB is not None:
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self.usbB = serial.Serial(pathB, 9600, timeout=2)
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@time(SERIAL_NOTIFIER_TIME)
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async def _send_event(self, event: BarcodeEvent):
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if self.inputDevicePathA is None:
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self.inputDevicePathA = event.input_device.path
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elif self.inputDevicePathB is None:
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self.inputDevicePathB = event.input_device.path
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if event.input_device.path == self.inputDevicePathA:
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self.usbA.write(event.barcode.encode())
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LOGGER.debug(f"Notified {self.pathA}: {self.inputDevicePathA}: {event.barcode}")
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elif event.input_device.path == self.inputDevicePathB:
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self.usbB.write(event.barcode.encode())
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LOGGER.debug(f"Notified {self.pathB}: {self.inputDevicePathB}: {event.barcode}")
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