def test_set_subset_varm(adata, subset_func):
    init_hash = joblib.hash(adata)
    orig_varm_val = adata.varm["o"].copy()

    while True:
        subset_idx = slice_subset(adata.var_names)
        if (adata[:, subset_idx]).shape[1] > 2:
            break
    subset = adata[:, subset_idx]

    internal_idx = _normalize_index(
        subset_func(np.arange(subset.varm["o"].shape[0])), subset.var_names
    )

    assert subset.is_view
    subset.varm["o"][internal_idx] = 1
    assert not subset.is_view
    assert np.all(adata.varm["o"] == orig_varm_val)

    assert init_hash == joblib.hash(adata)
def execute_rpc_implementor(self, audit_name, target, response_queue,
                                args, kwargs):
        """
        Honor a remote procedure call request from a plugin.

        :param audit_name: Name of the audit requesting the call.
        :type audit_name: str

        :param target: RPC implementor function.
        :type target: callable

        :param response_queue: Response queue identity.
        :type response_queue: str

        :param args: Positional arguments to the call.
        :type args: tuple

        :param kwargs: Keyword arguments to the call.
        :type kwargs: dict
        """
        try:

            # Call the implementor and get the response.
            response = target(self.orchestrator, audit_name, *args, **kwargs)
            success  = True

        # Catch exceptions and prepare them for sending.
        except Exception:
            if response_queue:
                response = self.prepare_exception(*sys.exc_info())
                success  = False

        # If the call was synchronous,
        # send the response/error back to the plugin.
        if response_queue:
            self.orchestrator.messageManager.send(
                response_queue, (success, response))