Baidu Map API에서 지도 타일을 얻기 위해 Python으로 프로그램을 작성하는 방법은 무엇입니까?

import requests
import math
import os

def get_map_tile(x, y, zoom, ak, save_path):
    url = f"http://api.map.baidu.com/customimage/tile?x={x}&y={y}&z={zoom}&ak={ak}"
    response = requests.get(url)
    if response.status_code == 200:
        tile_path = os.path.join(save_path, f"{zoom}_{x}_{y}.png")
        with open(tile_path, "wb") as f:
            f.write(response.content)
        print(f"Successfully saved tile {zoom}/{x}/{y}")
    else:
        print(f"Failed to get tile {zoom}/{x}/{y}")

def get_tile_range(lon1, lat1, lon2, lat2, zoom):
    tile_x1 = math.floor((lon1 + 180) / 360 * pow(2, zoom))
    tile_y1 = math.floor((1 - math.log(math.tan(math.radians(lat1)) + 1 / math.cos(math.radians(lat1))) / math.pi) / 2 * pow(2, zoom))
    tile_x2 = math.floor((lon2 + 180) / 360 * pow(2, zoom))
    tile_y2 = math.floor((1 - math.log(math.tan(math.radians(lat2)) + 1 / math.cos(math.radians(lat2))) / math.pi) / 2 * pow(2, zoom))
    return tile_x1, tile_y1, tile_x2, tile_y2

def main():
    # 设置参数
    ak = "your_baidu_map_ak"
    zoom = 10
    lon1, lat1 = 116.3000, 39.9000  # 左上角经纬度
    lon2, lat2 = 116.6000, 39.7000  # 右下角经纬度
    save_path = "./tiles"  # 保存路径

    # 创建保存路径
    os.makedirs(save_path, exist_ok=True)

    # 获取瓦片范围
    tile_x1, tile_y1, tile_x2, tile_y2 = get_tile_range(lon1, lat1, lon2, lat2, zoom)

    # 循环获取所有瓦片
    for x in range(tile_x1, tile_x2 + 1):
        for y in range(tile_y1, tile_y2 + 1):
            get_map_tile(x, y, zoom, ak, save_path)

    print("All tiles are successfully saved!")

if __name__ == "__main__":
    main()