mirror of
https://github.com/mofeng-git/One-KVM.git
synced 2025-12-12 01:00:29 +08:00
99 lines
3.8 KiB
Python
99 lines
3.8 KiB
Python
# ========================================================================== #
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# #
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# KVMD - The main PiKVM daemon. #
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# #
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# Copyright (C) 2018-2024 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 os
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from .. import tools
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from typing import IO
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from typing import Any
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import yaml
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import yaml.nodes
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import yaml.resolver
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import yaml.constructor
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from .merger import yaml_merge
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# =====
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def load_yaml_file(path: str) -> Any:
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with open(path) as file:
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try:
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return yaml.load(file, _YamlLoader)
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except Exception as ex:
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# Reraise internal exception as standard ValueError and show the incorrect file
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raise ValueError(f"Invalid YAML in the file {path!r}:\n{tools.efmt(ex)}") from None
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# =====
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class _YamlLoader(yaml.SafeLoader):
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def __init__(self, file: IO) -> None:
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super().__init__(file)
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self.__root = os.path.dirname(file.name)
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def include(self, node: yaml.nodes.Node) -> Any:
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incs: list[str]
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if isinstance(node, yaml.nodes.SequenceNode):
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incs = [
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str(child)
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for child in self.construct_sequence(node)
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if isinstance(child, (int, float, str))
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]
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else: # Trying scalar for the fallback
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incs = [str(self.construct_scalar(node))] # type: ignore
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return self.__inner_include(list(filter(None, incs)))
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def __inner_include(self, incs: list[str]) -> Any:
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tree: dict = {}
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for inc in filter(None, incs):
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assert inc, inc
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inc_path = os.path.join(self.__root, inc)
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if os.path.isdir(inc_path):
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for child in sorted(os.listdir(inc_path)):
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child_path = os.path.join(inc_path, child)
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if os.path.isfile(child_path) or os.path.islink(child_path):
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yaml_merge(tree, (load_yaml_file(child_path) or {}), child_path)
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else: # Try file
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yaml_merge(tree, (load_yaml_file(inc_path) or {}), inc_path)
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return tree
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_YamlLoader.add_constructor("!include", _YamlLoader.include)
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# =====
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def _disable_some_bools() -> None:
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# https://stackoverflow.com/questions/36463531
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resolvers = yaml.resolver.Resolver.yaml_implicit_resolvers
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for key in "oOyYnN":
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resolvers[key] = [
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resolver
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for resolver in resolvers[key]
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if resolver[0] != "tag:yaml.org,2002:bool"
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]
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if len(resolvers) == 0:
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del resolvers[key]
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_disable_some_bools()
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