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import json
import algorithms
import store
from lib import run_server, get, post, read_html
nodes = None
grid = None
@get('/')
def index():
global nodes
global grid
nodes, grid = store.extract_osm_nodes("university.osm")
return read_html('templates/index.html')
@post('/shortest-path')
def shortest_path(body):
body = json.loads(body)
source_id = algorithms.get_closest_node_id(nodes, grid, store.Node(-1, body['lat1'], body['lng1']))
target_id = algorithms.get_closest_node_id(nodes, grid, store.Node(-1, body['lat2'], body['lng2']))
path = algorithms.find_shortest_path(nodes, source_id, target_id)
print(path)
response = {"path": [(nodes[node].lat, nodes[node].lng) for node in path]}
return json.dumps(response)
run_server()
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