Function main

python/copilot/_cli_download.py:340–386

CLI entry point for `python -m copilot download-runtime`.

()

def main() -> None:
    """CLI entry point for `python -m copilot download-runtime`."""
    import argparse

    parser = argparse.ArgumentParser(
        prog="python -m copilot",
        description="Copilot SDK utilities",
    )
    subparsers = parser.add_subparsers(dest="command")

    # download-runtime subcommand
    dl_parser = subparsers.add_parser(
        "download-runtime",
        help="Download the Copilot runtime",
    )
    dl_parser.add_argument(
        "--force",
        action="store_true",
        help="Re-download even if already cached",
    )
    dl_parser.add_argument(
        "--version",
        help="Runtime version to download (default: pinned version)",
    )

    args = parser.parse_args()

    if args.command == "download-runtime":
        ver = args.version or CLI_VERSION
        if not ver:
            print(
                "Error: No runtime version pinned (development install). "
                "Use --version to specify a version.",
                file=sys.stderr,
            )
            sys.exit(1)

        print(f"Downloading Copilot runtime v{ver}...")
        try:
            path = download_cli(ver, force=args.force)
            print(f"Runtime cached at: {path}")
        except RuntimeError as exc:
            print(f"Error: {exc}", file=sys.stderr)
            sys.exit(1)
    else:
        parser.print_help()
        sys.exit(1)