pantsbuild / pants / 21042790249

from __future__ import annotations

from typing import Any

from pants.util.frozendict import FrozenDict

def freeze_json(item: Any) -> Any:

    if item is None:

        return None

    elif isinstance(item, list) or isinstance(item, tuple):

        return tuple(freeze_json(x) for x in item)

    elif isinstance(item, dict):

        result = {}

        for k, v in item.items():

            if not isinstance(k, str):

                raise AssertionError("Got non-`str` key for _freeze.")

            result[k] = freeze_json(v)

        return FrozenDict(result)

    elif isinstance(item, str) or isinstance(item, int) or isinstance(item, float):

        return item

        raise AssertionError(f"Unsupported value type for _freeze: {type(item)}")