mirror of
ssh://git.janware.com/janware/proj/jw-pkg
synced 2026-04-25 09:35:54 +02:00
Jan Lindemann
78835ecc9c
Provide a property .util from Cmd, instanciated on demand from to the respective distribution directory's Util class. Signed-off-by: Jan Lindemann <jan@janware.com>
62 lines
1.8 KiB
Python
62 lines
1.8 KiB
Python
# -*- coding: utf-8 -*-
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import os, importlib
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from ..Cmd import Cmd as Base
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from ..CmdDistro import CmdDistro
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from .backend.Util import Util
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class Cmd(Base): # export
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from .backend.Backend import Backend
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def __init__(self, parent: CmdDistro, name: str, help: str) -> None:
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super().__init__(parent, name, help)
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self.__backend_path: str|None = None
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self.__util: Util|None = None
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self.__backend: Backend|None = None
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@property
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def distro_id(self) -> str:
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return self.parent.distro_id
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@property
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def interactive(self) -> bool:
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return self.parent.interactive
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@property
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def _backend_path(self):
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if self.__backend_path is None:
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backend_id = self.parent.distro_id.lower().replace('-', '_')
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match backend_id:
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case 'ubuntu' | 'raspbian' | 'kali':
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backend_id = 'debian'
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case 'centos':
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backend_id = 'redhat'
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case 'opensuse_tumbleweed':
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backend_id = 'suse'
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self.__backend_path = (
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os.path.splitext(__name__)[0]
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+ '.backend.'
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+ backend_id
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+ '.'
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)
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return self.__backend_path
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def _instantiate(self, name: str, *args, **kwargs):
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module = importlib.import_module(self._backend_path + name)
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cls = getattr(module, name)
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return cls(self, *args, **kwargs)
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@property
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def util(self) -> Util:
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if self.__util is None:
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self.__util = self._instantiate('Util')
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return self.__util
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@property
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def _backend(self) -> Backend:
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if self.__backend is None:
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name = self.__class__.__name__[3:] # Get rid of "Cmd"
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self.__backend = self._instantiate(name)
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return self.__backend
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