SANDBOX_BLOCK_LANGSMITH

SANDBOX_BLOCK_LANGSMITH = 'from deepagents.backends.langsmith import LangSmithSandbox\n\n_SANDBOXES: dict = {}\n\n\ndef _get_or_create_sandbox(
  cache_key):\n    """Get or create a LangSmith sandbox cached by ``cache_key``."""\n    if cache_key in _SANDBOXES:\n        return _SANDBOXES[cache_key]\n\n    from langsmith.sandbox import ResourceNotFoundError, SandboxClient\n\n    api_key = (\n        os.environ.get("LANGSMITH_SANDBOX_API_KEY")\n        or os.environ.get("LANGSMITH_API_KEY")\n        or os.environ["LANGCHAIN_API_KEY"]\n    )\n    client = SandboxClient(api_key=api_key)\n\n    try:\n        client.get_template(SANDBOX_TEMPLATE)\n    except ResourceNotFoundError:\n        client.create_template(name=SANDBOX_TEMPLATE,
  image=SANDBOX_IMAGE)\n\n    sandbox = client.create_sandbox(template_name=SANDBOX_TEMPLATE)\n    backend = LangSmithSandbox(sandbox)\n    _SANDBOXES[cache_key] = backend\n    logger.info(\n        "Created LangSmith sandbox %s for key %s",
  \n        sandbox.name,
  \n        cache_key,
  \n
)\n    return backend\n'