spawn() — langchain Function Reference

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

Function python LangChainCore Runnables calls 1 called by 3

Entity Profile

LangChainCore→ Runnables→ spawn() — langchain Function Reference

Dependency Diagram

graph TD
  29f56f3f_9ee5_4ab0_ea77_8c7c98917847["spawn()"]
  54947cfa_44ad_df6e_ebe6_8908dfdafc92["BaseExecutionPolicy"]
  29f56f3f_9ee5_4ab0_ea77_8c7c98917847 -->|defined in| 54947cfa_44ad_df6e_ebe6_8908dfdafc92
  ea98a366_f701_dc2d_901d_9954c6c58e48["spawn()"]
  ea98a366_f701_dc2d_901d_9954c6c58e48 -->|calls| 29f56f3f_9ee5_4ab0_ea77_8c7c98917847
  338d8d25_6ab3_9c8d_1642_bc64d57428eb["spawn()"]
  338d8d25_6ab3_9c8d_1642_bc64d57428eb -->|calls| 29f56f3f_9ee5_4ab0_ea77_8c7c98917847
  ba1b6b39_fb63_7014_9fdb_7866618f263b["spawn()"]
  ba1b6b39_fb63_7014_9fdb_7866618f263b -->|calls| 29f56f3f_9ee5_4ab0_ea77_8c7c98917847
  ea98a366_f701_dc2d_901d_9954c6c58e48["spawn()"]
  29f56f3f_9ee5_4ab0_ea77_8c7c98917847 -->|calls| ea98a366_f701_dc2d_901d_9954c6c58e48
  style 29f56f3f_9ee5_4ab0_ea77_8c7c98917847 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/_execution.py lines 81–88

    def spawn(
        self,
        *,
        workspace: Path,
        env: Mapping[str, str],
        command: Sequence[str],
    ) -> subprocess.Popen[str]:
        """Launch the persistent shell process."""