How to use the googlemaps.client.Client function in googlemaps

Client.directions = make_api_method(directions)
Client.distance_matrix = make_api_method(distance_matrix)
Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)
Client.places_autocomplete = make_api_method(places_autocomplete)
Client.places_autocomplete_query = make_api_method(places_autocomplete_query)


def sign_hmac(secret, payload):
    """Returns a base64-encoded HMAC-SHA1 signature of a given string.

    :param secret: The key used for the signature, base64 encoded.
    :type secret: string

    :param payload: The payload to sign.
    :type payload: string

    :rtype: string
    """

Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)
Client.places_autocomplete = make_api_method(places_autocomplete)
Client.places_autocomplete_query = make_api_method(places_autocomplete_query)


def sign_hmac(secret, payload):
    """Returns a base64-encoded HMAC-SHA1 signature of a given string.

    :param secret: The key used for the signature, base64 encoded.
    :type secret: string

    :param payload: The payload to sign.
    :type payload: string

    :rtype: string
    """
    payload = payload.encode('ascii', 'strict')
    secret = secret.encode('ascii', 'strict')

sig = sign_hmac(self.client_secret, path)
            return path + "&signature=" + sig


from googlemaps.directions import directions
from googlemaps.distance_matrix import distance_matrix
from googlemaps.elevation import elevation
from googlemaps.elevation import elevation_along_path
from googlemaps.geocoding import geocode
from googlemaps.geocoding import reverse_geocode
from googlemaps.timezone import timezone

Client.directions = directions
Client.distance_matrix = distance_matrix
Client.elevation = elevation
Client.elevation_along_path = elevation_along_path
Client.geocode = geocode
Client.reverse_geocode = reverse_geocode
Client.timezone = timezone


def sign_hmac(secret, payload):
    """Returns a basee64-encoded HMAC-SHA1 signature of a given string.
    :param secret: The key used for the signature, base64 encoded.
    :type secret: string
    :param payload: The payload to sign.
    :type payload: string
    :rtype: string
    """
    payload = payload.encode('ascii', 'strict')
    secret = secret.encode('ascii', 'strict')
    sig = hmac.new(base64.urlsafe_b64decode(secret), payload, hashlib.sha1)

params["client"] = self.client_id

            path = "?".join([path, urlencode_params_sorted(params)])
            sig = sign_hmac(self.client_secret, path)
            return path + "&signature=" + sig


from googlemaps.directions import directions
from googlemaps.distance_matrix import distance_matrix
from googlemaps.elevation import elevation
from googlemaps.elevation import elevation_along_path
from googlemaps.geocoding import geocode
from googlemaps.geocoding import reverse_geocode
from googlemaps.timezone import timezone

Client.directions = directions
Client.distance_matrix = distance_matrix
Client.elevation = elevation
Client.elevation_along_path = elevation_along_path
Client.geocode = geocode
Client.reverse_geocode = reverse_geocode
Client.timezone = timezone


def sign_hmac(secret, payload):
    """Returns a basee64-encoded HMAC-SHA1 signature of a given string.
    :param secret: The key used for the signature, base64 encoded.
    :type secret: string
    :param payload: The payload to sign.
    :type payload: string
    :rtype: string
    """

Client.distance_matrix = make_api_method(distance_matrix)
Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)
Client.places_autocomplete = make_api_method(places_autocomplete)
Client.places_autocomplete_query = make_api_method(places_autocomplete_query)


def sign_hmac(secret, payload):
    """Returns a base64-encoded HMAC-SHA1 signature of a given string.

    :param secret: The key used for the signature, base64 encoded.
    :type secret: string

    :param payload: The payload to sign.
    :type payload: string

    :rtype: string
    """
    payload = payload.encode('ascii', 'strict')

    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        args[0]._extra_params = kwargs.pop("extra_params", None)
        result = func(*args, **kwargs)
        try:
            del args[0]._extra_params
        except AttributeError:
            pass
        return result
    return wrapper


Client.directions = make_api_method(directions)
Client.distance_matrix = make_api_method(distance_matrix)
Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)
Client.places_autocomplete = make_api_method(places_autocomplete)
Client.places_autocomplete_query = make_api_method(places_autocomplete_query)

Please note that this is an unsupported feature for advanced use only.
    It's also currently incompatibile with multiple threads, see GH #160.
    """
    @functools.wraps(func)
    def wrapper(*args, **kwargs):
        args[0]._extra_params = kwargs.pop("extra_params", None)
        result = func(*args, **kwargs)
        try:
            del args[0]._extra_params
        except AttributeError:
            pass
        return result
    return wrapper


Client.directions = make_api_method(directions)
Client.distance_matrix = make_api_method(distance_matrix)
Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)

args[0]._extra_params = kwargs.pop("extra_params", None)
        result = func(*args, **kwargs)
        try:
            del args[0]._extra_params
        except AttributeError:
            pass
        return result
    return wrapper


Client.directions = make_api_method(directions)
Client.distance_matrix = make_api_method(distance_matrix)
Client.elevation = make_api_method(elevation)
Client.elevation_along_path = make_api_method(elevation_along_path)
Client.geocode = make_api_method(geocode)
Client.reverse_geocode = make_api_method(reverse_geocode)
Client.geolocate = make_api_method(geolocate)
Client.timezone = make_api_method(timezone)
Client.snap_to_roads = make_api_method(snap_to_roads)
Client.nearest_roads = make_api_method(nearest_roads)
Client.speed_limits = make_api_method(speed_limits)
Client.snapped_speed_limits = make_api_method(snapped_speed_limits)
Client.find_place = make_api_method(find_place)
Client.places = make_api_method(places)
Client.places_nearby = make_api_method(places_nearby)
Client.place = make_api_method(place)
Client.places_photo = make_api_method(places_photo)
Client.places_autocomplete = make_api_method(places_autocomplete)
Client.places_autocomplete_query = make_api_method(places_autocomplete_query)


def sign_hmac(secret, payload):