Tasks as global arguments

[Armoken]

I want to use tasks using the syntax of global arguments. And I am not understand why this is not possible.

def task_argument_name():
    def action():
        globals()["GLOBAL_VAR"] = True

    return {
        "basename": "--argument-name",
        "verbosity": 2,
        "actions": [action],
    }

[armoken:~/D/curriculum-vitale-template] in env:[.venv] at git:(master⚡) ➜ doit list
--argument-name   

But I am getting an error:

[armoken:~/D/curriculum-vitale-template] in env:[.venv] at git:(master⚡) ➜ doit --argument-name
ERROR: Error parsing Command: option --argument-name not recognized (parsing options: ['--argument-name'])

Environment

1. OS: Linux
2. python version: 3.8.2
3. doit version: 0.32.0

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[schettino72]

The leading -- in the task name makes doit command parser think it is a parameter. Tasks names can NOT start with a -.

[Armoken]

Tasks names can NOT start with a -.

@schettino72, is this restriction specified by Doit team, or I can try to fix code of command parser to get functionality what I need?