dus-flughafen-foo/server-web.py

from seleniumwire import webdriver  # Import from seleniumwire
from seleniumwire.utils import decode
from time import sleep
from collections import deque
from flask import Flask as f
from flask import Response
from dateutil import parser
from datetime import datetime, timedelta, timezone
import json
import re

options = webdriver.ChromeOptions()
options.add_argument('--headless')
options.add_argument("--incognito")
options.add_argument("--nogpu")
options.add_argument("--disable-gpu")
options.add_argument("--window-size=1280,1280")
options.add_argument("--no-sandbox")
options.add_argument("--enable-javascript")
options.add_argument('--disable-dev-shm-usage')

# Create a new instance of the Chrome driver
driver = webdriver.Chrome(options=options)
q = deque()
valuestore = {}
datestore = {}
app = f("web")
h2 = timedelta(hours=2)

def interceptor(request, response):  # A response interceptor takes two args
    if 'ws-travis.dus.com/socket.io/?EIO=3&transport=polling' in request.url :
        body = decode(response.body, response.headers.get('Content-Encoding', 'identity'))
        x = re.split("\d\d\d:\d\d\/dus,", body.decode("utf-8"))
        for i in [i for i in x if i]:
            try:
                j = json.loads(i)
                handleJson(j)
            except ValueError:
                if i.find("online-level") > 0:
                    print ("Fixed: ", i)
                    j = json.loads(i[:i.rfind(']') + 1])
                    handleJson(j)
                else:
                    print ("Err: ", i)


def idIsRecent(id):
    return id in valuestore and datetime.now(timezone.utc) - parser.parse(datestore[id]) < timedelta(seconds=30)

def handleJson(jsonObj):
    if isinstance(jsonObj, list):
        if 'online-level' in jsonObj:
            #typ = jsonObj[1]["LevelValues"][0]["Type"]
            value = jsonObj[1]["LevelValues"][0]["Values"]
            NmtId = jsonObj[1]["NmtId"]
            time = jsonObj[1]["Time"]
            valuestore[NmtId] = value
            datestore[NmtId] = time

# Gibt den letzten bekannten Wert fuer die NMTID zurueck
@app.route('/nmt/<int:id>')
def nmtid(id):
    if id in valuestore and datetime.now(timezone.utc) - parser.parse(datestore[id]) < timedelta(seconds=30):
        return valuestore[id]
    else:
        return "Not Found"

# Gibt eine Liste mit verfuegbaren ids zurueck
@app.route('/ids')
def ids():
    l = filter(idIsRecent,list(valuestore.keys()))
    return ','.join(map(str,l))

if __name__ == '__main__':
    driver.response_interceptor = interceptor

    driver.get('https://dus-travis.dus.com/')

    app.run(host='0.0.0.0', port=80, debug=False)