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import gradio as gr
import folium
from folium.plugins import MarkerCluster
import googlemaps
from datetime import datetime
import os
# Initialize Google Maps API client securely
gmaps = googlemaps.Client(key=os.getenv('GOOGLE_API_KEY')) # Fetch API key from Hugging Face secrets
# Function to fetch directions
def get_directions_and_coords(source, destination):
now = datetime.now()
directions_info = gmaps.directions(source, destination, mode='driving', departure_time=now)
if directions_info:
steps = directions_info[0]['legs'][0]['steps']
coords = [(step['start_location']['lat'], step['start_location']['lng']) for step in steps]
return steps, coords
else:
return None, None
# Function to render map with directions
def render_folium_map(coords):
m = folium.Map(location=[coords[0][0], coords[0][1]], zoom_start=13)
folium.PolyLine(coords, color="blue", weight=2.5, opacity=1).add_to(m)
return m
# Function to add medical center paths and annotate distance
def add_medical_center_paths(m, source, med_centers):
for name, lat, lon, specialty, city in med_centers:
_, coords = get_directions_and_coords(source, (lat, lon))
if coords:
folium.PolyLine(coords, color="red", weight=2.5, opacity=1).add_to(m)
folium.Marker([lat, lon], popup=name).add_to(m)
distance_info = gmaps.distance_matrix(source, (lat, lon), mode='driving')
distance = distance_info['rows'][0]['elements'][0]['distance']['text']
folium.PolyLine(coords, color='red').add_to(m)
folium.map.Marker(
[coords[-1][0], coords[-1][1]],
icon=folium.DivIcon(
icon_size=(150, 36),
icon_anchor=(0, 0),
html=f'<div style="font-size: 10pt; color : red;">{distance}</div>',
)
).add_to(m)
# Function to search nearby medical centers using Google Places API
def search_medical_centers(query, location, radius=10000):
# Search for places like hospitals or medical centers nearby
places_result = gmaps.places_nearby(location, radius=radius, type='hospital', keyword=query)
return places_result.get('results', [])
# Function to get directions and display on Gradio UI
def get_route_and_medical_centers(source_location, destination_location, medical_center_query, location_input):
# Fetch the directions for the route
steps, coords = get_directions_and_coords(source_location, destination_location)
if steps and coords:
route_info = [f"{i+1}. {step['html_instructions']}" for i, step in enumerate(steps)]
m = render_folium_map(coords)
else:
route_info = "No available routes."
m = folium.Map(location=[20, 0], zoom_start=2) # Default map if no route
# Fetch nearby medical centers if the location input is provided
if location_input and medical_center_query:
# Fetch the coordinates of the source location using Google Geocoding
geocode_result = gmaps.geocode(location_input)
if geocode_result:
location_coords = geocode_result[0]['geometry']['location']
lat, lon = location_coords['lat'], location_coords['lng']
# Fetch nearby medical centers in Hawaii
medical_centers = search_medical_centers(medical_center_query, (lat, lon))
if medical_centers:
for center in medical_centers:
name = center['name']
vicinity = center.get('vicinity', 'N/A')
rating = center.get('rating', 'N/A')
folium.Marker([center['geometry']['location']['lat'], center['geometry']['location']['lng']],
popup=f"{name}\n{vicinity}\nRating: {rating}").add_to(m)
else:
route_info.append("No medical centers found matching your query.")
else:
route_info.append("Could not retrieve location coordinates.")
# Return both the route info and the map
return "\n".join(route_info), m
# Gradio UI components
source_location_input = gr.inputs.Textbox(default="Honolulu, HI", label="Source Location")
destination_location_input = gr.inputs.Textbox(default="Maui, HI", label="Destination Location")
medical_center_query_input = gr.inputs.Textbox(default="Hawaii Medical Center", label="Medical Center Query")
location_input = gr.inputs.Textbox(default="Honolulu, HI", label="Your Location")
# Output components
route_info_output = gr.outputs.Textbox(label="Driving Directions")
map_output = gr.outputs.HTML(label="Map with Route and Medical Centers")
# Create Gradio interface
iface = gr.Interface(
fn=get_route_and_medical_centers, # Function to call
inputs=[source_location_input, destination_location_input, medical_center_query_input, location_input], # Inputs
outputs=[route_info_output, map_output], # Outputs
live=True # Update outputs live as inputs change
)
# Launch Gradio interface
iface.launch()
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