_normalize_shell_command() — langchain Function Reference

Architecture documentation for the _normalize_shell_command() function in shell_tool.py from the langchain codebase.

Function python LangChainCore Runnables called by 1

Entity Profile

LangChainCore→ Runnables→ _normalize_shell_command() — langchain Function Reference

Dependency Diagram

graph TD
  cd3a99ac_4203_742a_4ebe_94e38caddc16["_normalize_shell_command()"]
  4e57a0ff_f1a5_e2e9_6949_569d7cd6d70a["ShellToolMiddleware"]
  cd3a99ac_4203_742a_4ebe_94e38caddc16 -->|defined in| 4e57a0ff_f1a5_e2e9_6949_569d7cd6d70a
  bb8cdf05_0b11_e3e7_3c28_2a6ae5bfecb9["__init__()"]
  bb8cdf05_0b11_e3e7_3c28_2a6ae5bfecb9 -->|calls| cd3a99ac_4203_742a_4ebe_94e38caddc16
  style cd3a99ac_4203_742a_4ebe_94e38caddc16 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/langchain_v1/langchain/agents/middleware/shell_tool.py lines 604–613

    def _normalize_shell_command(
        shell_command: Sequence[str] | str | None,
    ) -> tuple[str, ...]:
        if shell_command is None:
            return ("/bin/bash",)
        normalized = (shell_command,) if isinstance(shell_command, str) else tuple(shell_command)
        if not normalized:
            msg = "Shell command must contain at least one argument."
            raise ValueError(msg)
        return normalized