def add_condition_parser(d: Dict[Union[str, Pattern], Union[Callable, 'BaseCondition']]):
    """Add a parsing instruction to be used for parsing a
    string to condition.

    Parameters
    ----------
    d : dict
        TODO
    """
    parsers = Session._cls_cond_parsers #! TODO
    parsers.update(d)
Add a parsing instruction to be used for parsing a
string to condition.

Parameters
----------
d : dict
TODO
rocketry/parse/_condition/condition_item.py