matemat/matemat/__main__.py

import sys

if __name__ == '__main__':
    # Those imports are actually needed, as they implicitly register pagelets.
    # noinspection PyUnresolvedReferences
    from matemat.webserver.pagelets import *
    from matemat.webserver import MatematWebserver

    # Read HTTP port from command line
    port: int = 8080
    if len(sys.argv) > 1:
        port = int(sys.argv[1])

    # Start the web server
    MatematWebserver(port=port).start()