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# ==================================================================================== # |
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# config.py - This file is part of the YFrake package. # |
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# ------------------------------------------------------------------------------------ # |
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# # |
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# MIT License # |
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# # |
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# Copyright (c) 2022 Mattias Aabmets # |
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# # |
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# Permission is hereby granted, free of charge, to any person obtaining a copy # |
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# of this software and associated documentation files (the "Software"), to deal # |
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# in the Software without restriction, including without limitation the rights # |
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell # |
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# copies of the Software, and to permit persons to whom the Software is # |
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# furnished to do so, subject to the following conditions: # |
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# # |
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# The above copyright notice and this permission notice shall be included in all # |
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# copies or substantial portions of the Software. # |
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# # |
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR # |
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, # |
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE # |
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER # |
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, # |
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE # |
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# SOFTWARE. # |
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# # |
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# ==================================================================================== # |
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from ..cache.cache import CacheSingleton as Cache |
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from . import helpers, utils |
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from ..client import session |
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from pathlib import Path |
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import copy |
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# ==================================================================================== # |
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class ConfigSingleton: |
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_err_not_available = 'Operation not available on config object attributes! (YFrake)' |
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_err_no_file = 'Config file does not exist at provided path! (YFrake)' |
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_err_locked = 'Cannot modify config while session is open! (YFrake)' |
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_path = Path() |
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_config = dict() |
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__instance__ = None |
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# Singleton pattern |
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# ------------------------------------------------------------------------------------ # |
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def __new__(cls): |
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if not cls.__instance__: |
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cls.__instance__ = super(ConfigSingleton, cls).__new__(cls) |
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return cls.__instance__ |
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# ------------------------------------------------------------------------------------ # |
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def __init__(self): |
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if not getattr(self, '_config', None): |
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self.file = utils.get_default_config_path() |
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self.HERE = utils.get_cwd_config_path() |
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# ------------------------------------------------------------------------------------ # |
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@staticmethod |
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def is_locked() -> bool: |
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return session.is_locked() |
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# ------------------------------------------------------------------------------------ # |
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@property |
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def file(self) -> Path: |
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return self._path |
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@file.setter |
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def file(self, path: Path | str) -> None: |
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if self.is_locked(): |
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raise RuntimeError(self._err_locked) |
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path = Path(path).resolve() |
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if not path.exists(): |
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if path != self.HERE: |
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raise RuntimeError(self._err_no_file) |
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utils.copy_default_config_to(path) |
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self._config = helpers.read_config_from(path) |
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Cache.populate_settings(self.settings) |
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self._path = path |
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@file.deleter |
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def file(self) -> None: |
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raise TypeError(self._err_not_available) |
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# ------------------------------------------------------------------------------------ # |
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@property |
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def settings(self) -> dict: |
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return copy.deepcopy(self._config) |
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@settings.setter |
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def settings(self, _) -> None: |
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raise TypeError(self._err_not_available) |
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@settings.deleter |
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def settings(self) -> None: |
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raise TypeError(self._err_not_available) |
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aabmets /
yfrake
