geocoding sandbox

geocoding.py

import urllib.request
import urllib.parse
import json
import os


class LocationService:
    def get_lat_lon(self, campsite_name):
        pass


class OpenStreetMap(LocationService):
    def get_lat_lon(self, campsite_name):
        base_url = "https://nominatim.openstreetmap.org/search"
        params = {
            'q': campsite_name,
            'format': 'json'
        }
        url = base_url + "?" + urllib.parse.urlencode(params)
        with urllib.request.urlopen(url) as response:
            data = json.loads(response.read().decode())
            if data:
                latitude = data[0]['lat']
                longitude = data[0]['lon']
                return latitude, longitude
            else:
                return None, None


class GoogleMaps(LocationService):
    def __init__(self, api_key):
        self.api_key = api_key

    def get_lat_lon(self, campsite_name):
        base_url = "https://maps.googleapis.com/maps/api/geocode/json"
        params = {
            'address': campsite_name,
            'key': self.api_key
        }
        url = base_url + "?" + urllib.parse.urlencode(params)
        with urllib.request.urlopen(url) as response:
            data = json.loads(response.read().decode())
            if data['results']:
                location = data['results'][0]['geometry']['location']
                return location['lat'], location['lng']
            else:
                return None, None


class BingMaps(LocationService):
    def __init__(self, api_key):
        self.api_key = api_key

    def get_lat_lon(self, campsite_name):
        base_url = "http://dev.virtualearth.net/REST/v1/Locations"
        params = {
            'q': campsite_name,
            'key': self.api_key
        }
        url = base_url + "?" + urllib.parse.urlencode(params)
        with urllib.request.urlopen(url) as response:
            data = json.loads(response.read().decode())
            if data['resourceSets'] and data['resourceSets'][0]['resources']:
                location = data['resourceSets'][0]['resources'][0]['point']['coordinates']
                return location[0], location[1]
            else:
                return None, None
            

campsite_name = "Silver Falls Group Site Okanogan-Wenatchee National Forest, WA"
osm = OpenStreetMap()
lat, lon = osm.get_lat_lon(campsite_name)
print(f"Latitude: {lat}, Longitude: {lon}")

if (os.environ.get('GMAPS_KEY')):
    gmaps = GoogleMaps(os.environ.get('GMAPS_KEY'))
    lat, lon = gmaps.get_lat_lon(campsite_name)
    print(f"Latitude: {lat}, Longitude: {lon}")


if (os.environ.get('BINGMAPS_KEY')):
    bmaps = BingMaps(os.environ.get('BINGMAPS_KEY'))
    lat, lon = bmaps.get_lat_lon(campsite_name)
    print(f"Latitude: {lat}, Longitude: {lon}")