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from __future__ import annotations
from typing import Callable
from prompt_toolkit.eventloop import InputHook
from prompt_toolkit.formatted_text import AnyFormattedText
from prompt_toolkit.input import DummyInput
from prompt_toolkit.output import DummyOutput
from .application import Application
__all__ = [
"DummyApplication",
]
class DummyApplication(Application[None]):
"""
When no :class:`.Application` is running,
:func:`.get_app` will run an instance of this :class:`.DummyApplication` instead.
"""
def __init__(self) -> None:
super().__init__(output=DummyOutput(), input=DummyInput())
def run(
self,
pre_run: Callable[[], None] | None = None,
set_exception_handler: bool = True,
handle_sigint: bool = True,
in_thread: bool = False,
inputhook: InputHook | None = None,
) -> None:
raise NotImplementedError("A DummyApplication is not supposed to run.")
async def run_async(
self,
pre_run: Callable[[], None] | None = None,
set_exception_handler: bool = True,
handle_sigint: bool = True,
slow_callback_duration: float = 0.5,
) -> None:
raise NotImplementedError("A DummyApplication is not supposed to run.")
async def run_system_command(
self,
command: str,
wait_for_enter: bool = True,
display_before_text: AnyFormattedText = "",
wait_text: str = "",
) -> None:
raise NotImplementedError
def suspend_to_background(self, suspend_group: bool = True) -> None:
raise NotImplementedError
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