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implement flask caching

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steven 2025-03-22 23:00:30 -04:00
parent 0db90601d9
commit e4bd7da77f
2 changed files with 9 additions and 8 deletions
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9
app.py
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@ -1,10 +1,14 @@
from flask import Flask, jsonify, render_template, send_from_directory from flask import Flask, jsonify, render_template, send_from_directory
from flask_caching import Cache
import requests import requests
app = Flask(__name__) app = Flask(__name__)
app.config['CACHE_TYPE'] = 'SimpleCache'
cache = Cache(app)
data=requests.get("https://tarc.rideralerts.com/InfoPoint/rest/Routes/GetVisibleRoutes").json() data=requests.get("https://tarc.rideralerts.com/InfoPoint/rest/Routes/GetVisibleRoutes").json()
routes = ",".join(str(r.get('RouteId')) for r in data) routes=",".join(str(r.get('RouteId')) for r in data)
@app.route("/") @app.route("/")
def index(): def index():
@ -15,8 +19,9 @@ def favicon():
return send_from_directory(app.static_folder,"bus.svg") return send_from_directory(app.static_folder,"bus.svg")
@app.route('/tarc.csv') @app.route('/tarc.csv')
@cache.cached(timeout=5)
def tarc(): def tarc():
d=requests.get("https://tarc.rideralerts.com/InfoPoint/rest/Vehicles/GetAllVehiclesForRoutes?routeIDs=0,"+routes).json() d=requests.get("https://tarc.rideralerts.com/InfoPoint/rest/Vehicles/GetAllVehiclesForRoutes?routeIDs="+routes).json()
return "\n".join(f"{v['Latitude']},{v['Longitude']},{v['RouteId']},{v['Name']},{v['OnBoard']},{v['DirectionLong']},{v['Speed']}" for v in d) return "\n".join(f"{v['Latitude']},{v['Longitude']},{v['RouteId']},{v['Name']},{v['OnBoard']},{v['DirectionLong']},{v['Speed']}" for v in d)
if __name__ == '__main__': if __name__ == '__main__':

8
templates/map.html
View file

@ -9,11 +9,7 @@
<link rel="icon" type="image/x-icon" href="/bus.svg"> <link rel="icon" type="image/x-icon" href="/bus.svg">
<script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script> <script src="https://unpkg.com/leaflet@1.9.4/dist/leaflet.js" integrity="sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=" crossorigin=""></script>
<link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="" /> <link rel="stylesheet" href="https://unpkg.com/leaflet@1.9.4/dist/leaflet.css" integrity="sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=" crossorigin="" />
<style> <style>html,body{height:100%;margin:0;}#map{height:100vh;}</style>
html,body{height:100%;margin:0;}
#map{height:100vh;}
#clock{background-color:black;color:white;font:16px monospace;}
</style>
</head> </head>
<body> <body>
<div id="map"></div> <div id="map"></div>
@ -30,7 +26,7 @@ function updateMap() {
}) })
}) })
} }
setInterval(updateMap,5000); // use websocket setInterval(updateMap,5000);
let locationMarker=L.marker([0,0]),locationRadius=L.circle([0,0]); let locationMarker=L.marker([0,0]),locationRadius=L.circle([0,0]);
let locationLayer=L.layerGroup([locationMarker,locationRadius]).addTo(map); let locationLayer=L.layerGroup([locationMarker,locationRadius]).addTo(map);