from ogn.parser.utils import FPM_TO_MS from ogn.parser.pattern import PATTERN_SAFESKY_POSITION_COMMENT from .base import BaseParser class SafeskyParser(BaseParser): def __init__(self): self.beacon_type = 'safesky' self.position_pattern = PATTERN_SAFESKY_POSITION_COMMENT def parse_position(self, aprs_comment): match = self.position_pattern.match(aprs_comment) result = dict() if match.group('details'): result.update({ 'address_type': int(match.group('details'), 16) & 0b00000011, 'aircraft_type': (int(match.group('details'), 16) & 0b00111100) >> 2, 'no-tracking': (int(match.group('details'), 16) & 0b01000000) >> 6 == 1, 'stealth': (int(match.group('details'), 16) & 0b10000000) >> 7 == 1, 'address': match.group('address'), }) result.update( {'climb_rate': int(match.group('climb_rate')) * FPM_TO_MS if match.group('climb_rate') else None}) if match.group('gps_quality'): result.update({ 'gps_quality': { 'horizontal': int(match.group('gps_quality_horizontal')), 'vertical': int(match.group('gps_quality_vertical')) } }) return result