import requests

"""

百度API:地理编码 -> 地址数据转换为坐标点（经纬度）

See http://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-geocoding

"""

default_coord_type = 'gcj02ll' # gcj02ll（国测局坐标）、bd09mc（百度墨卡托坐标）

ak = 'TCLfUCrFQDLWQrzz3NKYBwb8ZY57tgAt'

api = 'https://api.map.baidu.com/geocoder/v2/?address={}&ret_coordtype={}&ak={}&output=json'

api2 = 'https://api.map.baidu.com/geocoder/v2/?location={},{}&ak={}&output=json'

def getApi(address, coord_type=default_coord_type):

"""

:param address: 地理位置

:param coord_type: 坐标类型

:return: 返回请求地址

"""

return api.format(address, coord_type, ak)

def reqApi(address):

""" 请求转换接口

:param address: 地理位置

:return: 坐标点（经纬度）

"""

resp = requests.get(getApi(address)).json()

status = resp['status']

if 0 == status:

res = resp['result']

loc = res['location']

# 经纬度

return loc['lng'], loc['lat']

else:

return None, None

def reqAddress(lat, lng):

resp = requests.get(api2.format(lat, lng, ak)).json()

status = resp.get('status')

if 0 == status:

res = resp['result']

formatted_address = res.get('formatted_address')

sematic_description = res.get('sematic_description')

address = '{}({})'.format(formatted_address, sematic_description)

return address