HTTP Server with LiveReload if any else builtin Simple HTTP Server, asks to install LiveReload if not installed but still works Ok, tested on Python 3.

http_serve_livereload.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-


"""HTTP Serve with LiveReload."""


import os
from webbrowser import open_new_tab

try:  #                  https://github.com/lepture/python-livereload
    import livereload  # sudo pip3 install --upgrade livereload
except ImportError:
    from webbrowser import open_new_tab
    import http.server as server
    from http.server import CGIHTTPRequestHandler
    livereload = None  # Still works Ok without LiveReload


def serve_http(where=os.getcwd()):
    """Serve HTTP files and HTML on the where folder,with LiveReload if any."""
    if livereload:  # with LiveReload
        livereload.Server().serve(port=8000, host="0.0.0.0",
                                  open_url_delay=1, root=where)
    else:  # without LiveReload
        print("Run:pip install livereload\nServer on http://localhost:8000")
        httpd = server.HTTPServer(('', 8000), CGIHTTPRequestHandler)
        open_new_tab("http://localhost:8000/")
        httpd.serve_forever()



if __name__ in '__main__':
    serve_http()