mirror of
https://github.com/mofeng-git/One-KVM.git
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72 lines
2.8 KiB
Python
72 lines
2.8 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main Pi-KVM daemon. #
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# #
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# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
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# #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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# #
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# ========================================================================== #
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import importlib
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import functools
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import os
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from typing import Dict
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from typing import Type
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from typing import Any
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from ..yamlconf import Option
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# =====
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class UnknownPluginError(Exception):
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pass
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# =====
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class BasePlugin:
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PLUGIN_NAME: str = ""
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def __init__(self, **_: Any) -> None:
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pass # pragma: nocover
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@classmethod
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def get_options(cls) -> Dict[str, Option]:
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return {} # pragma: nocover
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# =====
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def get_plugin_class(sub: str, name: str) -> Type[BasePlugin]:
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classes = _get_plugin_classes(sub)
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try:
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return classes[name]
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except KeyError:
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raise UnknownPluginError("Unknown plugin '%s/%s'" % (sub, name))
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# =====
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@functools.lru_cache()
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def _get_plugin_classes(sub: str) -> Dict[str, Type[BasePlugin]]:
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classes: Dict[str, Type[BasePlugin]] = {} # noqa: E701
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sub_path = os.path.join(os.path.dirname(__file__), sub)
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for file_name in os.listdir(sub_path):
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if not file_name.startswith("__") and file_name.endswith(".py"):
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module_name = file_name[:-3]
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module = importlib.import_module("kvmd.plugins.{}.{}".format(sub, module_name))
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plugin_class = getattr(module, "Plugin")
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classes[plugin_class.PLUGIN_NAME] = plugin_class
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return classes
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