def list(component_type):
    """List components that are available on your machine"""
    config_loader = initialise_component_loader()
    component_types = sorted({
         "displays": lambda: config_loader.load_by_type(ComponentType.DISPLAY),
         "datafeeds": lambda: config_loader.load_by_type(ComponentType.DATA_FEED),
         "filters": lambda: config_loader.load_by_type(ComponentType.FILTER),
         "notifications": lambda: config_loader.load_by_type(ComponentType.NOTIFICATION)
    }.items(), key=lambda t: t[0])

    def print_ids(creators):
        ids = {c.id_key_value[1] if hasattr(c, "id_key_value") else c.get_id() for c in creators}
        for i in sorted(ids):
            click.echo(" - %s" % i)

    for k, v in component_types:
        if component_type == k or component_type == "all":
            click.echo("Available %s:" % k)
            print_ids(v())

        if component_type == "all":
            click.echo("")
List components that are available on your machine