spawn() — langchain Function Reference

Architecture documentation for the spawn() function in _execution.py from the langchain codebase.

Function python LangChainCore Runnables calls 3

Entity Profile

LangChainCore→ Runnables→ spawn() — langchain Function Reference

Dependency Diagram

graph TD
  338d8d25_6ab3_9c8d_1642_bc64d57428eb["spawn()"]
  270607fa_c99a_3911_2c2a_8e2c42ed30ef["CodexSandboxExecutionPolicy"]
  338d8d25_6ab3_9c8d_1642_bc64d57428eb -->|defined in| 270607fa_c99a_3911_2c2a_8e2c42ed30ef
  e4dfd7ef_1e04_5414_759b_eeaddac35815["_build_command()"]
  338d8d25_6ab3_9c8d_1642_bc64d57428eb -->|calls| e4dfd7ef_1e04_5414_759b_eeaddac35815
  235aaeeb_c270_5c14_f276_f59bd26a7819["_launch_subprocess()"]
  338d8d25_6ab3_9c8d_1642_bc64d57428eb -->|calls| 235aaeeb_c270_5c14_f276_f59bd26a7819
  29f56f3f_9ee5_4ab0_ea77_8c7c98917847["spawn()"]
  338d8d25_6ab3_9c8d_1642_bc64d57428eb -->|calls| 29f56f3f_9ee5_4ab0_ea77_8c7c98917847
  style 338d8d25_6ab3_9c8d_1642_bc64d57428eb fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/_execution.py lines 210–224

    def spawn(
        self,
        *,
        workspace: Path,
        env: Mapping[str, str],
        command: Sequence[str],
    ) -> subprocess.Popen[str]:
        full_command = self._build_command(command)
        return _launch_subprocess(
            full_command,
            env=env,
            cwd=workspace,
            preexec_fn=None,
            start_new_session=False,
        )