Zylvian

<script src="http://code.jquery.com/jquery-latest.min.js"></script>
    
    <script>
	$(document).ready(function() {
  		$.ajaxSetup({ cache: false });

	setInterval(async () => {

	    $.ajax({
              url: 'callPy.php',

Zylvian

<?php 

$outie = exec('sudo /usr/bin/python /var/www/html/rainFetch.py');
echo $outie;

$command = escapeshellcmd('/var/www/html/rainFetch.py');
$output = shell_exec($command);
echo $output;

?>