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#!/usr/bin/python3
"""Executable to transmit the Barcode Data to MQTT without root Priviledges"""
from iot_barcode_scanner.static import KEYMAP
import iot_barcode_scanner.config as config
from iot_barcode_scanner.mqtt import MqttService
def main():
try:
# read config
cfg = config.get_config()
fifo_path = cfg["scanner"]["fifo_path"]
topic = cfg["mqtt"]["topic"]
# setup mqtt
mqtt_service = MqttService(cfg)
mqtt_service.run()
barcode = ""
while True:
with open(fifo_path, "r") as fifo:
keycode = fifo.read()
character = KEYMAP[keycode]
if character is "\n":
mqtt_service.client.publish(
topic,
payload=barcode,
qos=0,
retain=False
)
barcode = ""
else:
barcode += character
except KeyboardInterrupt:
pass
if __name__ == "__main__":
main()
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