iframe-proxy | Sunbelt Computer Software

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# Copyright 2015 Google Inc. All rights reserved.
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
# use this file except in compliance with the License. You may obtain a copy of
# the License at
#     http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations under
# the License.
"""Performs requests to the Google Maps Roads API."""
import googlemaps
from googlemaps import convert
_ROADS_BASE_URL = "https://roads.googleapis.com"
def snap_to_roads(client, path, interpolate=False):
    """Snaps a path to the most likely roads travelled.
    Takes up to 100 GPS points collected along a route, and returns a similar
    set of data with the points snapped to the most likely roads the vehicle
    was traveling along.
    :param path: The path to be snapped.
    :type path: a single location, or a list of locations, where a
        location is a string, dict, list, or tuple
    :param interpolate: Whether to interpolate a path to include all points
        forming the full road-geometry. When true, additional interpolated
        points will also be returned, resulting in a path that smoothly follows
        the geometry of the road, even around corners and through tunnels.
        Interpolated paths may contain more points than the original path.
    :type interpolate: bool
    :rtype: A list of snapped points.
    params = {"path": convert.location_list(path)}
    if interpolate:
        params["interpolate"] = "true"
    return client._get("/v1/snapToRoads", params,
                       base_url=_ROADS_BASE_URL,
                       accepts_clientid=False,
                       extract_body=_roads_extract)["snappedPoints"]
def speed_limits(client, place_ids):
    """Returns the posted speed limit (in km/h) for given road segments.
    :param place_ids: The Place ID of the road segment. Place IDs are returned
        by the snap_to_roads function. You can pass up to 100 Place IDs.
    :type place_ids: str or list
    :rtype: list of speed limits.
    params = [("placeId", place_id) for place_id in convert.as_list(place_ids)]
    return client._get("/v1/speedLimits", params,
                       base_url=_ROADS_BASE_URL,
                       accepts_clientid=False,
                       extract_body=_roads_extract)["speedLimits"]
def snapped_speed_limits(client, path):
    """Returns the posted speed limit (in km/h) for given road segments.
    The provided points will first be snapped to the most likely roads the
    vehicle was traveling along.
    :param path: The path of points to be snapped.
    :type path: a single location, or a list of locations, where a
        location is a string, dict, list, or tuple
    :rtype: dict with a list of speed limits and a list of the snapped points.
    params = {"path": convert.location_list(path)}
    return client._get("/v1/speedLimits", params,
                       base_url=_ROADS_BASE_URL,
                       accepts_clientid=False,
                       extract_body=_roads_extract)
def _roads_extract(resp):
    """Extracts a result from a Roads API HTTP response."""
        j = resp.json()
    except:
        if resp.status_code != 200:
            raise googlemaps.exceptions.HTTPError(resp.status_code)
        raise googlemaps.exceptions.ApiError("UNKNOWN_ERROR",
                                             "Received a malformed response.")
    if "error" in j:
        error = j["error"]
        status = error["status"]
        if status == "RESOURCE_EXHAUSTED":
            raise googlemaps.exceptions._RetriableRequest()
        if "message" in error:
            raise googlemaps.exceptions.ApiError(status, error["message"])
        else:
            raise googlemaps.exceptions.ApiError(status)
    if resp.status_code != 200:
        raise googlemaps.exceptions.HTTPError(resp.status_code)
    return j
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