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# ========================================================================== #
# #
# KVMD - The main PiKVM daemon. #
# #
# Copyright (C) 2018-2022 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 importlib
import functools
from typing import Any
# =====
class UnknownPluginError(Exception):
pass
# =====
class BasePlugin:
def __init__(self, **_: Any) -> None:
pass # pragma: nocover
@classmethod
def get_plugin_name(cls) -> str:
name = cls.__module__
return name[name.rindex(".") + 1:]
@classmethod
def get_plugin_options(cls) -> dict:
return {} # pragma: nocover
@functools.lru_cache()
def get_plugin_class(sub: str, name: str) -> type[BasePlugin]:
assert sub
assert name
if name.startswith("_"):
raise UnknownPluginError(f"Unknown plugin '{sub}/{name}'")
try:
module = importlib.import_module(f"kvmd.plugins.{sub}.{name}")
except ModuleNotFoundError:
raise UnknownPluginError(f"Unknown plugin '{sub}/{name}'")
return getattr(module, "Plugin")
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