Function separate_multiple_defaults

flowmap/config/tools.py:28–56

Return a function that will pull individual configurations out of a merged dict. For example, the merged dict might look like this: { a: ... b: ... } The returned function will generate this: [{ name: a, ... }, { name: b, ... }] In other words, this functi

(data_class_union)

def separate_multiple_defaults(data_class_union):
    """Return a function that will pull individual configurations out of a merged dict.
    For example, the merged dict might look like this:

    {
        a: ...
        b: ...
    }

    The returned function will generate this:

    [{ name: a, ... }, { name: b, ... }]

    In other words, this function makes the types for default lists with single and
    multiple items be typed identically.
    """

    def separate_fn(joined: dict) -> list:
        # The dummy allows the union to be converted.
        @dataclass
        class Dummy:
            dummy: data_class_union

        return [
            get_typed_config(Dummy, DictConfig({"dummy": {"name": name, **cfg}})).dummy
            for name, cfg in joined.items()
        ]

    return separate_fn