Method _tool_call_delta

examples/server/server.py:6352–6378

(
        self,
        *,
        tool_call: Dict[str, Any],
        tool_call_index: int,
        partial: bool,
    )

        return cast(Dict[str, Any], item_state["tool_call"])

    def _tool_call_delta(
        self,
        *,
        tool_call: Dict[str, Any],
        tool_call_index: int,
        partial: bool,
    ) -> Dict[str, Any]:
        function = cast(Dict[str, Any], tool_call["function"])
        return {
            "tool_calls": [
                {
                    "index": tool_call_index,
                    "id": (
                        f"call_{self._choice_index}_{function['name']}_"
                        f"{self._completion_id}_{tool_call_index}"
                    ),
                    "type": tool_call.get("type", "function"),
                    "function": {
                        "name": function["name"],
                        "arguments": self._serialize_tool_arguments(
                            function["arguments"],
                            partial=partial,
                        ),
                    },
                }
            ]
        }

    def _advance_stream_state(self, text: str) -> Tuple[bool, List[Dict[str, Any]]]:
        deltas: List[Dict[str, Any]] = []