1-Use Django (Python Backend API)

#https://www.djangoproject.com/

2- Dont want to change all the backend:
Take a look at digi API
# https://www.digi.com/resources/documentation/digidocs/90001537/references/r_python_inside_html.htm?TocPath=Categories%7CWeb%20Access%7C_____2

after you setup evrything you can code :
<%Code Here%>