kopia lustrzana https://github.com/glidernet/python-ogn-client
108 wiersze
6.7 KiB
Python
108 wiersze
6.7 KiB
Python
import re
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from datetime import datetime
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from ogn.parser.utils import createTimestamp, parseAngle, kts2kmh, feet2m, fpm2ms
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from ogn.parser.pattern import PATTERN_APRS_POSITION, PATTERN_APRS_STATUS, PATTERN_RECEIVER_BEACON, PATTERN_AIRCRAFT_BEACON
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from ogn.parser.exceptions import AprsParseError, OgnParseError
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def parse_aprs(message, reference_date=None, reference_time=None):
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if reference_date is None:
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now = datetime.utcnow()
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reference_date = now.date()
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reference_time = now.time()
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match_position = re.search(PATTERN_APRS_POSITION, message)
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if match_position:
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return {'name': match_position.group('callsign'),
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'dstcall': match_position.group('dstcall'),
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'receiver_name': match_position.group('receiver'),
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'timestamp': createTimestamp(match_position.group('time'), reference_date, reference_time),
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'latitude': parseAngle('0' + match_position.group('latitude') + (match_position.group('latitude_enhancement') or '0')) *
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(-1 if match_position.group('latitude_sign') == 'S' else 1),
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'symboltable': match_position.group('symbol_table'),
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'longitude': parseAngle(match_position.group('longitude') + (match_position.group('longitude_enhancement') or '0')) *
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(-1 if match_position.group('longitude_sign') == 'W' else 1),
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'symbolcode': match_position.group('symbol'),
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'track': int(match_position.group('course')) if match_position.group('course_extension') else None,
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'ground_speed': int(match_position.group('ground_speed')) * kts2kmh if match_position.group('ground_speed') else None,
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'altitude': int(match_position.group('altitude')) * feet2m,
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'comment': match_position.group('comment')}
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match_status = re.search(PATTERN_APRS_STATUS, message)
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if match_status:
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return {'name': match_status.group('callsign'),
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'dstcall': match_status.group('dstcall'),
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'receiver_name': match_status.group('receiver'),
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'timestamp': createTimestamp(match_status.group('time'), reference_date, reference_time),
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'comment': match_status.group('comment')}
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raise AprsParseError(message)
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def parse_ogn_aircraft_beacon(aprs_comment):
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ac_match = re.search(PATTERN_AIRCRAFT_BEACON, aprs_comment)
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if ac_match:
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return {'address_type': int(ac_match.group('details'), 16) & 0b00000011,
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'aircraft_type': (int(ac_match.group('details'), 16) & 0b01111100) >> 2,
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'stealth': (int(ac_match.group('details'), 16) & 0b10000000) >> 7 == 1,
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'address': ac_match.group('id'),
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'climb_rate': int(ac_match.group('climb_rate')) * fpm2ms if ac_match.group('climb_rate') else None,
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'turn_rate': float(ac_match.group('turn_rate')) if ac_match.group('turn_rate') else None,
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'flightlevel': float(ac_match.group('flight_level')) if ac_match.group('flight_level') else None,
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'signal_quality': float(ac_match.group('signal_quality')) if ac_match.group('signal_quality') else None,
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'error_count': int(ac_match.group('errors')) if ac_match.group('errors') else None,
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'frequency_offset': float(ac_match.group('frequency_offset')) if ac_match.group('frequency_offset') else None,
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'gps_status': ac_match.group('gps_accuracy') if ac_match.group('gps_accuracy') else None,
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'software_version': float(ac_match.group('flarm_software_version')) if ac_match.group('flarm_software_version') else None,
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'hardware_version': int(ac_match.group('flarm_hardware_version'), 16) if ac_match.group('flarm_hardware_version') else None,
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'real_address': ac_match.group('flarm_id') if ac_match.group('flarm_id') else None,
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'signal_power': float(ac_match.group('signal_power')) if ac_match.group('signal_power') else None,
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'proximity': [hear[4:] for hear in ac_match.group('proximity').split(" ")] if ac_match.group('proximity') else None}
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else:
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return None
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def parse_ogn_receiver_beacon(aprs_comment):
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rec_match = re.search(PATTERN_RECEIVER_BEACON, aprs_comment)
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if rec_match:
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return {'version': rec_match.group('version'),
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'platform': rec_match.group('platform'),
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'cpu_load': float(rec_match.group('cpu_load')),
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'free_ram': float(rec_match.group('ram_free')),
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'total_ram': float(rec_match.group('ram_total')),
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'ntp_error': float(rec_match.group('ntp_offset')),
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'rt_crystal_correction': float(rec_match.group('ntp_correction')),
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'voltage': float(rec_match.group('voltage')) if rec_match.group('voltage') else None,
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'amperage': float(rec_match.group('amperage')) if rec_match.group('amperage') else None,
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'cpu_temp': float(rec_match.group('cpu_temperature')) if rec_match.group('cpu_temperature') else None,
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'senders_visible': int(rec_match.group('visible_senders')) if rec_match.group('visible_senders') else None,
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'senders_total': int(rec_match.group('senders')) if rec_match.group('senders') else None,
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'rec_crystal_correction': int(rec_match.group('rf_correction_manual')) if rec_match.group('rf_correction_manual') else None,
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'rec_crystal_correction_fine': float(rec_match.group('rf_correction_automatic')) if rec_match.group('rf_correction_automatic') else None,
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'rec_input_noise': float(rec_match.group('signal_quality')) if rec_match.group('signal_quality') else None,
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'senders_signal': float(rec_match.group('senders_signal_quality')) if rec_match.group('senders_signal_quality') else None,
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'senders_messages': float(rec_match.group('senders_messages')) if rec_match.group('senders_messages') else None,
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'good_senders_signal': float(rec_match.group('good_senders_signal_quality')) if rec_match.group('good_senders_signal_quality') else None,
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'good_senders': float(rec_match.group('good_senders')) if rec_match.group('good_senders') else None,
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'good_and_bad_senders': float(rec_match.group('good_and_bad_senders')) if rec_match.group('good_and_bad_senders') else None}
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else:
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return None
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def parse_ogn_beacon(aprs_comment):
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if not aprs_comment:
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return {'beacon_type': 'receiver_beacon'}
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ac_data = parse_ogn_aircraft_beacon(aprs_comment)
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if ac_data:
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ac_data.update({'beacon_type': 'aircraft_beacon'})
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return ac_data
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rc_data = parse_ogn_receiver_beacon(aprs_comment)
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if rc_data:
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rc_data.update({'beacon_type': 'receiver_beacon'})
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return rc_data
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raise OgnParseError(aprs_comment)
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