Method restart

libs/code/deepagents_code/server.py:724–745

Restart the server process, reusing the existing config directory. Stops the subprocess, then starts a new one. Any env overrides staged via `update_env()` are applied within a `_scoped_env_overrides` context manager so that failures automatically roll back the environment t

(self, *, timeout: float = _HEALTH_TIMEOUT)

        self._persistent_env_overrides.update(overrides)

    async def restart(self, *, timeout: float = _HEALTH_TIMEOUT) -> None:  # noqa: ASYNC109
        """Restart the server process, reusing the existing config directory.

        Stops the subprocess, then starts a new one. Any env overrides staged
        via `update_env()` are applied within a `_scoped_env_overrides` context
        manager so that failures automatically roll back the environment to the
        last known-good state.

        Args:
            timeout: Max seconds to wait for the server to become healthy.
        """
        logger.info("Restarting langgraph dev server")
        # Offload the synchronous subprocess shutdown (it blocks up to
        # `_SHUTDOWN_TIMEOUT` + SIGKILL grace waiting on `process.wait`) so the
        # caller's event loop — the Textual reactor for `/restart` — keeps
        # processing input instead of freezing the TUI.
        await asyncio.to_thread(self._stop_process)

        with _scoped_env_overrides(self._env_overrides):
            await self.start(timeout=timeout)

        self._env_overrides.clear()

    async def __aenter__(self) -> Self:
        """Async context manager entry.