state_to_geojson.py

def states_to_geojson(states):
    geojson = {}
    geojson['type'] = 'FeatureCollection'
    geojson['features'] = []
    for state in states.states:
        point = {}
        point['type'] = 'Feature'
        point['properties'] = {'icao': state.icao24, 'callsign': state.callsign, 'origin_country': state.origin_country,
                             'on_ground': state.on_ground, 'velocity': state.velocity, 'spi': state.spi}
        point['geometry'] = {'type': 'Point', 'coordinates': [state.longitude, state.latitude]}
        geojson['features'].append(point)
    return geojson