kopia lustrzana https://github.com/glidernet/ogn-python
76 wiersze
2.4 KiB
Python
76 wiersze
2.4 KiB
Python
import logging
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from mgrs import MGRS
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from ogn.commands.dbutils import session
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from ogn.model import Location
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from ogn.parser import parse, ParseError
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from ogn.gateway.process_tools import DbSaver, Converter, DummyMerger, AIRCRAFT_TYPES, RECEIVER_TYPES
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logger = logging.getLogger(__name__)
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myMGRS = MGRS()
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def _replace_lonlat_with_wkt(message):
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latitude = message['latitude']
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longitude = message['longitude']
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location = Location(longitude, latitude)
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message['location_wkt'] = location.to_wkt()
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message['location_mgrs'] = myMGRS.toMGRS(latitude, longitude).decode('utf-8')
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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 string_to_message(raw_string, reference_date):
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global receivers
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try:
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message = parse(raw_string, reference_date)
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except NotImplementedError as e:
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#logger.w('No parser implemented for message: {}'.format(raw_string))
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return None
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except ParseError as e:
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#logger.error('Parsing error with message: {}'.format(raw_string))
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return None
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except TypeError as e:
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#logger.error('TypeError with message: {}'.format(raw_string))
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return None
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except Exception as e:
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#logger.error(raw_string)
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#logger.error(e)
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return None
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# update reference receivers and distance to the receiver
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if message['aprs_type'] == 'position':
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if message['beacon_type'] in RECEIVER_TYPES:
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message = _replace_lonlat_with_wkt(message)
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elif message['beacon_type'] in AIRCRAFT_TYPES:
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message = _replace_lonlat_with_wkt(message)
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if 'gps_quality' in message:
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if message['gps_quality'] is not None and 'horizontal' in message['gps_quality']:
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message['gps_quality_horizontal'] = message['gps_quality']['horizontal']
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message['gps_quality_vertical'] = message['gps_quality']['vertical']
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del message['gps_quality']
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# update raw_message
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message['raw_message'] = raw_string
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return message
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# Build the processing pipeline
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saver = DbSaver(session=session)
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converter = Converter(callback=saver)
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merger = DummyMerger(callback=converter)
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def process_raw_message(raw_message, reference_date=None, merger=merger):
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logger.debug('Received message: {}'.format(raw_message))
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message = string_to_message(raw_message, reference_date)
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merger.add_message(message)
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