82 lines
2.2 KiB
Python
82 lines
2.2 KiB
Python
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"""Example for the telegram monitor callback."""
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import asyncio
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import getopt
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import sys
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from xknx import XKNX
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from xknx.io import ConnectionConfig, ConnectionType
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from xknx.telegram import AddressFilter
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from structure import parse_message, load_structure, init_value_mapping
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import json
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from dotenv import load_dotenv
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dotenv_path = join(dirname(__file__), '.env')
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load_dotenv(dotenv_path)
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from db import publish_measurement
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config = {}
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mapping = {}
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async def telegram_received_cb(telegram):
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"""Do something with the received telegram."""
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val = parse_message(config, mapping, telegram)
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publish_measurement(val)
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def show_help():
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"""Print Help."""
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print("Telegram filter.")
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print("")
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print("Usage:")
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print("")
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print(__file__, " Listen to all telegrams")
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print(
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__file__, "-f --filter 1/2/*,1/4/[5-6] Filter for specific group addresses"
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)
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print(__file__, "-h --help Print help")
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print("")
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async def monitor(address_filters):
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"""Set telegram_received_cb within XKNX and connect to KNX/IP device in daemon mode."""
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connection_config = ConnectionConfig(
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connection_type=ConnectionType.TUNNELING,
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gateway_ip=os.environ.get('KNX_GATEWAY_IP')
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)
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xknx = XKNX(connection_config=connection_config, daemon_mode=True)
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xknx.telegram_queue.register_telegram_received_cb(
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telegram_received_cb, address_filters
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)
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await xknx.start()
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await xknx.stop()
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async def main(argv):
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"""Parse command line arguments and start monitor."""
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try:
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opts, _ = getopt.getopt(argv, "hf:", ["help", "filter="])
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except getopt.GetoptError:
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show_help()
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sys.exit(2)
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global config
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config = load_structure(os.environ.get('KNX_TOPOLOGY'))
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global mapping
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mapping = init_value_mapping()
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address_filters = None
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for opt, arg in opts:
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if opt in ["-h", "--help"]:
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show_help()
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sys.exit()
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if opt in ["-f", "--filter"]:
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address_filters = list(map(AddressFilter, arg.split(",")))
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await monitor(address_filters)
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if __name__ == "__main__":
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asyncio.run(main(sys.argv[1:]))
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