kopia lustrzana https://github.com/glidernet/ogn-python
86 wiersze
3.0 KiB
Python
86 wiersze
3.0 KiB
Python
import logging
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from ogn.commands.dbutils import session
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from ogn.model import AircraftBeacon, ReceiverBeacon, Device, Receiver, Location
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from ogn.parser import parse_aprs, parse_ogn_receiver_beacon, parse_ogn_aircraft_beacon, ParseError
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from ogn.model.address_origin import AddressOrigin
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logger = logging.getLogger(__name__)
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def replace_lonlat_with_wkt(message):
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location = Location(message['longitude'], message['latitude'])
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message['location_wkt'] = location.to_wkt()
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del message['latitude']
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del message['longitude']
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return message
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def process_beacon(raw_message):
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if raw_message[0] == '#':
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return
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try:
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message = parse_aprs(raw_message)
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# symboltable / symbolcodes used by OGN:
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# I&: used as receiver
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# /X: helicopter_rotorcraft
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# /': glider_or_motorglider
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# \^: powered_aircraft
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# /g: para_glider
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# /O: ?
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# /^: ?
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# \n: ?
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# /z: ?
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# /o: ?
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if message['symboltable'] == "I" and message['symbolcode'] == '&':
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# ... we have a receiver_beacon
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message.update(parse_ogn_receiver_beacon(message['comment']))
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message = replace_lonlat_with_wkt(message)
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beacon = ReceiverBeacon(**message)
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# connect beacon with receiver
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receiver = session.query(Receiver.id) \
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.filter(Receiver.name == beacon.name) \
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.first()
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if receiver is None:
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receiver = Receiver()
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receiver.name = beacon.name
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session.add(receiver)
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beacon.receiver_id = receiver.id
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else:
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# ... we have a aircraft_beacon
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message.update(parse_ogn_aircraft_beacon(message['comment']))
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message = replace_lonlat_with_wkt(message)
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beacon = AircraftBeacon(**message)
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# connect beacon with device
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device = session.query(Device.id) \
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.filter(Device.address == beacon.address) \
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.order_by(Device.address_origin) \
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.first()
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if device is None:
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device = Device()
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device.address = beacon.address
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device.address_origin = AddressOrigin.seen
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session.add(device)
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beacon.device_id = device.id
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# connect beacon with receiver
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receiver = session.query(Receiver.id) \
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.filter(Receiver.name == beacon.receiver_name) \
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.first()
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if receiver is None:
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receiver = Receiver()
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receiver.name = beacon.receiver_name
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session.add(receiver)
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beacon.receiver_id = receiver.id
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session.add(beacon)
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session.commit()
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logger.debug('Received message: {}'.format(raw_message))
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except ParseError as e:
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logger.error('Received message: {}'.format(raw_message))
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logger.error('Drop packet, {}'.format(e.message))
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except TypeError as e:
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logger.error('TypeError: {}'.format(raw_message))
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