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| import streamlit as st | |
| import streamlit.components.v1 as components | |
| import googlemaps | |
| import os | |
| from datetime import datetime | |
| def get_directions(source, destination): | |
| now = datetime.now() | |
| directions_info = {} | |
| modes = ['driving', 'walking', 'bicycling', 'transit'] | |
| for mode in modes: | |
| directions_result = gmaps.directions(source, destination, mode=mode, departure_time=now) | |
| if directions_result: | |
| directions_info[mode] = directions_result[0]['legs'][0]['steps'] | |
| else: | |
| directions_info[mode] = "No available routes." | |
| return directions_info | |
| def show_map(source, destination): | |
| html_code = f""" | |
| <html> | |
| <head> | |
| <script src="https://maps.googleapis.com/maps/api/js?key={os.getenv('GOOGLE_KEY')}"></script> | |
| <script> | |
| function initMap() {{ | |
| var directionsService = new google.maps.DirectionsService(); | |
| var directionsRenderer = new google.maps.DirectionsRenderer(); | |
| var map = new google.maps.Map(document.getElementById('map'), {{ | |
| zoom: 7, | |
| center: {{lat: 41.85, lng: -87.65}} | |
| }}); | |
| directionsRenderer.setMap(map); | |
| var request = {{ | |
| origin: '{source}', | |
| destination: '{destination}', | |
| travelMode: 'DRIVING' | |
| }}; | |
| directionsService.route(request, function(result, status) {{ | |
| if (status == 'OK') {{ | |
| directionsRenderer.setDirections(result); | |
| }} | |
| }}); | |
| }} | |
| </script> | |
| </head> | |
| <body onload="initMap()"> | |
| <div id="map" style="height: 500px;"></div> | |
| </body> | |
| </html> | |
| """ | |
| components.html(html_code, height=600) | |
| # Initialize Google Maps | |
| gmaps = googlemaps.Client(key=os.getenv('GOOGLE_KEY')) | |
| # Streamlit app | |
| st.title('🗺️ Google Maps Directions') | |
| st.sidebar.header('User Input Features') | |
| source_location = st.sidebar.text_input("Source Location", "Mound, MN") | |
| destination_location = st.sidebar.text_input("Destination Location", "Minneapolis, MN") | |
| if st.sidebar.button('Get Directions'): | |
| directions_info = get_directions(source_location, destination_location) | |
| for mode, directions in directions_info.items(): | |
| st.write(f"## Directions by {mode.capitalize()}") | |
| if directions == "No available routes.": | |
| st.write(directions) | |
| else: | |
| for i, step in enumerate(directions): | |
| st.write(f"{i + 1}. {step['html_instructions']}") | |
| if st.sidebar.button('Show Directions on Map'): | |
| show_map(source_location, destination_location) | |