import typing
import requests
from yandex_geocoder.exceptions import (
YandexGeocoderAddressNotFound,
YandexGeocoderHttpException,
)
class Client:
"""Yandex geocoder API client.
:Example:
>>> from yandex_geocoder import Client
>>> Client.coordinates('Хабаровск 60 октября 150')
('135.114326', '48.47839')
"""
API_URL = "https://geocode-maps.yandex.ru/1.x/"
PARAMS = {"format": "json"}
@classmethod
def request(cls, address: str) -> dict:
"""Requests passed address and returns content of `response` key.
Raises `YandexGeocoderHttpException` if response's status code is
different from `200`.
"""
response = requests.get(
cls.API_URL, params=dict(geocode=address, **cls.PARAMS)
)
if response.status_code != 200:
raise YandexGeocoderHttpException(
"Non-200 response from yandex geocoder"
)
return response.json()["response"]
@classmethod
def coordinates(cls, address: str) -> typing.Tuple[str, str]:
"""Returns a tuple of ccordinates (longtitude, latitude) for
passed address.
Raises `YandexGeocoderAddressNotFound` if nothing found.
"""
data = cls.request(address)["GeoObjectCollection"]["featureMember"]
if not data:
raise YandexGeocoderAddressNotFound(
'"{}" not found'.format(address)
)
coordinates = data[0]["GeoObject"]["Point"]["pos"] # type: str
return tuple(coordinates.split(" "))
