Google Maps Location Search With Filters

GoogleMapsSearchWithFilters.py

#!/usr/bin/env python3
import requests
import json
import time

API_KEY = "asdf"

def miles_to_meters( miles ):
	return ( miles * 1609.34 )

def get_json_request(url, params, n_pages=None):
	results = []
	params["key"] = API_KEY
	page = 1
	while True:
		print(f"Getting page {page}")
		response = requests.get(url, params=params)
		response.raise_for_status()
		data = response.json()
		results.extend(data['results'])
		next_page_token = data.get('next_page_token')
		if next_page_token and (n_pages is None or page < n_pages):
			time.sleep(2)
			params['pagetoken'] = next_page_token
			page += 1
		else:
			break
	return results

def get_places(location, query , n_pages=None):
	base_url = "https://maps.googleapis.com/maps/api/place/textsearch/json"
	params = { 'query': f"{query} in {location}" }
	return get_json_request(base_url, params, n_pages)

def get_nearby_places( lat , lng , query , radius=5000 , n_pages=None ):
	base_url = "https://maps.googleapis.com/maps/api/place/nearbysearch/json"
	params = {
		'location': f"{lat},{lng}",
		'radius': radius,
		'keyword': query,
	}
	return get_json_request(base_url, params, n_pages)

def filter_locations(start_location, filters):
	base_url = "https://maps.googleapis.com/maps/api/place/textsearch/json"
	params = {
		'query': f"{filters[0]['place']} in {start_location}",
		# 'radius': filters[0]['radius'],
	}
	locations = get_json_request(base_url, params, filters[0].get('n_pages'))
	for filter_index, x_filter in enumerate(filters[1:], start=2):
		new_locations = []
		for location_index, location in enumerate(locations, start=1):
			lat, lng = location['geometry']['location']['lat'], location['geometry']['location']['lng']
			print(f"Filter {filter_index}, Location {location_index}: Finding nearby {x_filter['place']}")
			nearby_places = get_nearby_places(lat, lng, x_filter['place'], radius=x_filter['radius'], n_pages=x_filter.get('n_pages'))
			if nearby_places:
				for place_index, place in enumerate(nearby_places, start=1):
					p_lat, p_lng = place['geometry']['location']['lat'], place['geometry']['location']['lng']
					print(f"\tNearby {x_filter['place']} {place_index}: {p_lat}, {p_lng}")
				new_locations.append(location)
		locations = new_locations
	return locations

if __name__ == "__main__":

	starting_point = "Ohio"
	filters = [
		{'place': 'Meijer', 'radius': miles_to_meters(1), 'n_pages': 2},
		{'place': 'United Dairy Farmers', 'radius': miles_to_meters(2), 'n_pages': 1} ,
		{'place': 'Hardee\'s', 'radius': miles_to_meters(1), 'n_pages': 1}
	]

	locations = filter_locations( starting_point , filters )
	for location in locations:
		print(location['name'] , "===" ,location['formatted_address'])