_handle_create() — langchain Function Reference

Source Code

libs/partners/anthropic/langchain_anthropic/middleware/anthropic_tools.py lines 370–406

    def _handle_create(
        self, args: dict, state: AnthropicToolsState, tool_call_id: str | None
    ) -> Command:
        """Handle create command."""
        path = args["path"]
        file_text = args["file_text"]

        normalized_path = _validate_path(path, allowed_prefixes=self.allowed_prefixes)

        # Get existing files
        files = cast("dict[str, Any]", state.get(self.state_key, {}))
        existing = files.get(normalized_path)

        # Create file data
        now = datetime.now(timezone.utc).isoformat()
        created_at = existing["created_at"] if existing else now

        content_lines = file_text.split("\n")

        return Command(
            update={
                self.state_key: {
                    normalized_path: {
                        "content": content_lines,
                        "created_at": created_at,
                        "modified_at": now,
                    }
                },
                "messages": [
                    ToolMessage(
                        content=f"File created: {path}",
                        tool_call_id=tool_call_id,
                        name=self.tool_name,
                    )
                ],
            }
        )