main() — langchain Function Reference

Architecture documentation for the main() function in cli.py from the langchain codebase.

Function python LangChainCore LanguageModelBase calls 1

Entity Profile

LangChainCore→ LanguageModelBase→ main() — langchain Function Reference

Dependency Diagram

graph TD
  0dec95bd_3d27_d221_3b9a_43294e80bf97["main()"]
  74c7ffe0_0dd5_5e6a_45ab_950da26de248["cli.py"]
  0dec95bd_3d27_d221_3b9a_43294e80bf97 -->|defined in| 74c7ffe0_0dd5_5e6a_45ab_950da26de248
  2f2dc685_603e_b75d_c32f_a2fd813a683c["refresh()"]
  0dec95bd_3d27_d221_3b9a_43294e80bf97 -->|calls| 2f2dc685_603e_b75d_c32f_a2fd813a683c
  style 0dec95bd_3d27_d221_3b9a_43294e80bf97 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

libs/model-profiles/langchain_model_profiles/cli.py lines 330–357

def main() -> None:
    """CLI entrypoint."""
    parser = argparse.ArgumentParser(
        description="Refresh model profile data from models.dev",
        prog="langchain-profiles",
    )
    subparsers = parser.add_subparsers(dest="command", required=True)

    # refresh command
    refresh_parser = subparsers.add_parser(
        "refresh", help="Download and merge model profile data for a provider"
    )
    refresh_parser.add_argument(
        "--provider",
        required=True,
        help="Provider ID from models.dev (e.g., 'anthropic', 'openai', 'google')",
    )
    refresh_parser.add_argument(
        "--data-dir",
        required=True,
        type=Path,
        help="Data directory containing profile_augmentations.toml",
    )

    args = parser.parse_args()

    if args.command == "refresh":
        refresh(args.provider, args.data_dir)