Mini Shell

"""Null plugin."""
import logging
from typing import Callable
from typing import List
from typing import Optional
from typing import Union

from certbot import interfaces
from certbot.plugins import common

logger = logging.getLogger(__name__)


class Installer(common.Plugin, interfaces.Installer):
    """Null installer."""

    description = "Null Installer"
    hidden = True

    @classmethod
    def add_parser_arguments(cls, add: Callable[..., None]) -> None:
        pass

    # pylint: disable=missing-function-docstring

    def prepare(self) -> None:
        pass  # pragma: no cover

    def more_info(self) -> str:
        return "Installer that doesn't do anything (for testing)."

    def get_all_names(self) -> List[str]:
        return []

    def deploy_cert(self, domain: str, cert_path: str, key_path: str,
                    chain_path: str, fullchain_path: str) -> None:
        pass  # pragma: no cover

    def enhance(self, domain: str, enhancement: str,
                options: Optional[Union[List[str], str]] = None) -> None:
        pass  # pragma: no cover

    def supported_enhancements(self) -> List[str]:
        return []

    def save(self, title: Optional[str] = None, temporary: bool = False) -> None:
        pass  # pragma: no cover

    def rollback_checkpoints(self, rollback: int = 1) -> None:
        pass  # pragma: no cover

    def recovery_routine(self) -> None:
        pass  # pragma: no cover

    def config_test(self) -> None:
        pass  # pragma: no cover

    def restart(self) -> None:
        pass  # pragma: no cover