75 lines
2.1 KiB
Python
75 lines
2.1 KiB
Python
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#!/usr/bin/python3
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import requests
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import json
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cameras = []
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res = requests.get("https://chartexp1.sha.maryland.gov/CHARTExportClientService/getCameraMapDataJSON.do")
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res.raise_for_status()
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# {
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# "error": null,
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# "data": [
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# {
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# "description": "I-270 & Old Hundred Rd (MD 109)(CAM 165)",
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# "lat": 39.2773,
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# "lon": -77.3236,
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# "cctvIp": "strmr5.sha.maryland.gov",
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# "milePost": 22.27,
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# "cameraCategories": [
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# "Wash. DC"
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# ],
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# "routeNumber": 270,
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# "commMode": "ONLINE",
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# "routePrefix": "IS",
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# "routeSuffix": "",
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# "opStatus": "OK",
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# "publicVideoURL": "https://chart.maryland.gov/Video/GetVideo/7a00a1dc01250075004d823633235daa",
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# "lastCachedDataUpdateTime": 1706950514352,
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# "name": "I-270 & Old Hundred Rd (MD 109)",
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# "id": "7a00a1dc01250075004d823633235daa"
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# },
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for c in res.json()['data']:
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try:
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# # 50-ish are marginal; let's ignore that and put 'em on the map anyway
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# if not c['commMode'] == "ONLINE":
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# print("warn: camera offline; ignoring:", c)
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# continue
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# if not c['opStatus'] == "OK":
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# print("warn: camera not ok; ignoring:", c)
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# continue
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cameras.append({
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"type": "Feature",
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"geometry": {
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"type": "Point",
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"coordinates": [c['lon'], c['lat']], # yes, [lon, lat] since it's [x, y]
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},
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"properties": {
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"name": c['description'],
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"views": [
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{
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'hasVideo': True,
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'src': f"https://{c['cctvIp']}/rtplive/{c['id']}/playlist.m3u8",
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},
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# {
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# 'hasVideo': False,
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# 'src': c['imageUrl'],
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# }
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]
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},
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})
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except Exception as e:
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print(c)
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raise e
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geojson = {
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"type": "FeatureCollection",
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"features": cameras,
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}
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with open("data.geojson", "w") as f:
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f.write(json.dumps(geojson))
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print(f"{len(cameras)} locations found")
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