Function mypy_set_typing

tests/test_typing.py:250–282

()

@pytest.mark.mypy_testing
def mypy_set_typing() -> None:
    class T(HasTraits):
        remove_cell_tags = Set(
            Unicode(),
            default_value=[],
            help=(
                "Tags indicating which cells are to be removed,"
                "matches tags in ``cell.metadata.tags``."
            ),
        ).tag(config=True)

        safe_output_keys = Set(
            config=True,
            default_value={
                "metadata",  # Not a mimetype per-se, but expected and safe.
                "text/plain",
                "text/latex",
                "application/json",
                "image/png",
                "image/jpeg",
            },
            help="Cell output mimetypes to render without modification",
        )

    t = T()
    reveal_type(Set("foo"))  # R: traitlets.traitlets.Set
    reveal_type(Set("").tag(sync=True))  # R: traitlets.traitlets.Set
    reveal_type(Set(None, allow_none=True))  # R: traitlets.traitlets.Set
    reveal_type(Set(None, allow_none=True).tag(sync=True))  # R: traitlets.traitlets.Set
    reveal_type(T.remove_cell_tags)  # R: traitlets.traitlets.Set
    reveal_type(t.remove_cell_tags)  # R: builtins.set[Any]
    reveal_type(T.safe_output_keys)  # R: traitlets.traitlets.Set
    reveal_type(t.safe_output_keys)  # R: builtins.set[Any]


@pytest.mark.mypy_testing