HKUDS/nanobot · error · CliAppError

npm is not installed

Error message

npm is not installed

What it means

Error "npm is not installed" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/apps/cli/service.py:905

        else:
            raise CliAppError("pip is not available and uv is not installed")
        distribution = str((installed_entry or {}).get("pip_distribution") or "").strip()
        if distribution:
            return [*prefix, distribution]
        uninstall_cmd = str(app.get("uninstall_cmd") or "")
        packages = _pip_uninstall_args_from_command(uninstall_cmd)
        if packages:
            return [*prefix, *packages]
        package = str(app.get("pip_package") or "").strip() or self._pip_package_from_install(app)
        if not package:
            entry_point = str(app.get("entry_point") or "").strip()
            package = entry_point if entry_point.startswith("cli-anything-") else f"cli-anything-{_brand_key(str(app['name']))}"
        return [*prefix, package]

    def _npm_argv(self, app: dict[str, Any], action: str) -> list[str]:
        npm = shutil.which("npm")
        if not npm:
            raise CliAppError("npm is not installed")
        package = str(app.get("npm_package") or "")
        if not package:
            raise CliAppError("registry entry has no npm_package")
        if action == "install":
            return [npm, "install", "-g", package]
        if action == "update":
            return [npm, "install", "-g", package + "@latest"]
        return [npm, "uninstall", "-g", package]

    def _cleanup_stale_npm_install(self, app: dict[str, Any]) -> bool:
        npm = shutil.which("npm")
        package = str(app.get("npm_package") or "").strip()
        if not npm or not package or "/" in package or _SAFE_NPM_DIR_RE.match(package) is None:
            return False
        result = self._run_argv([npm, "root", "-g"], timeout=min(self.runtime.install_timeout, 30))
        if result.returncode != 0:
            return False
        root = Path(result.stdout.strip()).expanduser()

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/apps/cli/service.py:905 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/34eb506d86613cab. Report an issue: GitHub.