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# ========================================================================== #
# #
# KVMD - The main Pi-KVM daemon. #
# #
# Copyright (C) 2018-2021 Maxim Devaev <[email protected]> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
# ========================================================================== #
import contextlib
from typing import Dict
from typing import AsyncGenerator
from typing import Optional
from ... import aiotools
from . import MsdOperationError
from . import BaseMsd
# =====
class MsdDisabledError(MsdOperationError):
def __init__(self) -> None:
super().__init__("MSD is disabled")
# =====
class Plugin(BaseMsd):
async def get_state(self) -> Dict:
return {
"enabled": False,
"online": False,
"busy": False,
"storage": None,
"drive": None,
"features": {
"multi": False,
"cdrom": False,
},
}
async def poll_state(self) -> AsyncGenerator[Dict, None]:
while True:
yield (await self.get_state())
await aiotools.wait_infinite()
async def reset(self) -> None:
raise MsdDisabledError()
# =====
async def set_params(self, name: Optional[str]=None, cdrom: Optional[bool]=None) -> None:
raise MsdDisabledError()
async def set_connected(self, connected: bool) -> None:
raise MsdDisabledError()
@contextlib.asynccontextmanager
async def write_image(self, name: str) -> AsyncGenerator[None, None]:
if self is not None: # XXX: Vulture and pylint hack
raise MsdDisabledError()
yield
async def write_image_chunk(self, chunk: bytes) -> int:
raise MsdDisabledError()
async def remove(self, name: str) -> None:
raise MsdDisabledError()
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