Function _wrapper

monai/utils/module.py:474–483

(*args, **kwargs)

        @wraps(call_obj)
        def _wrapper(*args, **kwargs):
            _, has = optional_import(module=pkg_name, version=version, version_checker=version_checker)
            if not has:
                err_msg = f"required package `{pkg_name}` is not installed or the version doesn't match requirement."
                if raise_error:
                    raise OptionalImportError(err_msg)
                else:
                    warnings.warn(err_msg)

            return call_obj(*args, **kwargs)

        if is_func:
            return _wrapper