hello_world.py

import bookmap as bm


def handle_subscribe_instrument(addon, alias, full_name, is_crypto, pips, size_multiplier, instrument_multiplier, supported_features):
    print("Hello world from " + alias, flush=True)
    print("Features: " + str(supported_features), flush=True)


def handle_unsubscribe_instrument(addon, alias):
    print("Goodbye world from " + alias, flush=True)


if __name__ == "__main__":
    addon = bm.create_addon()
    # start addon, requires 3 arguments - addon itself, handler for subscribe event
    # and handler for unsubscribe event
    bm.start_addon(addon, handle_subscribe_instrument,
                   handle_unsubscribe_instrument)
    # block python execution giving control over the script to Bookmap only, so you
    # do not risk, that your script will be turned off earlier that you decide
    bm.wait_until_addon_is_turned_off(addon)