utilities.py 文件源码

def get_pos_by_name(location_name):
    prog = re.compile("^(\-?\d+\.\d+)?,\s*(\-?\d+\.\d+?)$")
    res = prog.match(location_name)
    latitude, longitude, altitude = None, None, None
    if res:
        latitude, longitude, altitude = float(res.group(1)), float(res.group(2)), 0
    elif location_name:
        geolocator = GoogleV3()
        loc = geolocator.geocode(location_name)
        if loc:
            latitude, longitude, altitude = loc.latitude, loc.longitude, loc.altitude

    return (latitude, longitude, altitude)