_determine_platform() — langchain Function Reference

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

Function python LangChainCore Runnables called by 1

Entity Profile

LangChainCore→ Runnables→ _determine_platform() — langchain Function Reference

Dependency Diagram

graph TD
  86c76604_9ef0_684c_c50e_47b8e1363077["_determine_platform()"]
  270607fa_c99a_3911_2c2a_8e2c42ed30ef["CodexSandboxExecutionPolicy"]
  86c76604_9ef0_684c_c50e_47b8e1363077 -->|defined in| 270607fa_c99a_3911_2c2a_8e2c42ed30ef
  e4dfd7ef_1e04_5414_759b_eeaddac35815["_build_command()"]
  e4dfd7ef_1e04_5414_759b_eeaddac35815 -->|calls| 86c76604_9ef0_684c_c50e_47b8e1363077
  style 86c76604_9ef0_684c_c50e_47b8e1363077 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/_execution.py lines 245–256

    def _determine_platform(self) -> str:
        if self.platform != "auto":
            return self.platform
        if sys.platform.startswith("linux"):
            return "linux"
        if sys.platform == "darwin":  # type: ignore[unreachable, unused-ignore]
            return "macos"
        msg = (  # type: ignore[unreachable, unused-ignore]
            "Codex sandbox policy could not determine a supported platform; "
            "set 'platform' explicitly."
        )
        raise RuntimeError(msg)