Make things a list

listify.py

#########
# Casting Helper
#########

def isSimpleIterable(thing) -> bool:
    """
    Check if the thing is a basic iterable type
    """
    return isinstance(thing, (list, set, tuple, frozenset))

def listify(thing, otherTypes:tuple= None) -> list:
    """
    Cast the provided thing into a list
    """
    if isinstance(otherTypes, tuple):
        if not isSimpleIterable(thing) and isinstance(thing, otherTypes):
            return [thing]
        elif isSimpleIterable(thing):
            return list(thing)
        else:
            raise TypeError("Invalid datatype")
    else:
        if otherTypes is not None:
            raise ValueError("Invalid value for argument `otherTypes`")
        if not isSimpleIterable(thing):
            return [thing]
        return list(thing)