nlAlert for HA

bkbartk · June 2, 2025, 7:55pm

I don’t know if this is really a show off,
As I have created this with the help of AI.
I’m not a python dev and didn’t have the time the learn the language.

github.com/bkbartk/HA-nlAlert

nlAlert.py

82e4af460

import requests
import logging
import math

# Set up logger - using a consistent naming convention
log = logging.getLogger("custom_components.pyscript.file.nlAlert")

@pyscript_executor
def fetch_nl_alerts():
    """
    Fetch NL-Alert data from the public API.
    
    Returns:
        list: Active alerts without end time
    """
    # Using the fixed API URL as specified
    api_url = 'https://api.public-warning.app/api/v1/providers/nl-alert/alerts?filter=last-24h'
    
    try:
        response = requests.get(api_url)

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You need to have pyscript running in HA

then you can run this script. and the total amount of nlAlerts of your specified location will be written back in
input_number.nlalerttotalamount
you can provide nothing, then it uses zone.home,
you can provide lat/lan,
or specify a zone.

If there is a TEST message, the input_number will get raised.
stop_at is not taken into a count because the filling is unreliable. The value is always one hour after the start, so you still don’t know if the alert is really gone.

I use this to stop my ventilation system in of an alert, because that could mean toxic air.

Edit: I excluded the testmessage so at least only my ventilations stops when something real is going on