Python y HTML

import serial

a = serial.Serial('/dev/ttyACM0', 9600)
while 1 == 1:
               a.write(1)

<a href="ruta del python"><button>Encender</button></a>

testing/
├── __init__.py
├── manage.py
├── public_html
│   └── index.html
└── testing
    ├── __init__.py
    ├── off.py
    ├── on.py
    ├── settings.py
    ├── test.wsgi
    ├── urls.py
    └── wsgi.py

<VirtualHost *:80>

        ServerName test.com
        ServerAlias www.test.com
        ServerAdmin webmaster@localhost
        DocumentRoot /var/www/testing/public_html/
        WSGIScriptAlias /var/www/testing/public_html /var/www/testing/testing/test.wsgi



        ErrorLog ${APACHE_LOG_DIR}/error.log
        CustomLog ${APACHE_LOG_DIR}/access.log combined


</VirtualHost>