forked from OrudoCA/qBitDownload-Bot
51 lines
1.1 KiB
Python
51 lines
1.1 KiB
Python
# -*- coding: utf-8 -*-
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##########################################
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# Shared Abstract classes and interfaces #
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##########################################
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# Imports
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from abc import ABC, abstractmethod
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from os import environ
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class IValidatable(ABC):
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"""
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Interface initializing a class with a magic method for
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checking the validity of its objects
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"""
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@abstractmethod
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async def __validate__(self) -> bool:
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"""
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Checks if the object of the class is valid
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:return: Object validity boolean
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"""
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raise NotImplementedError
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class ENV(object):
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_name: str | None = None
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DEFAULT: str
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def __init__(self) -> None:
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if self._name is None or self.DEFAULT is None:
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raise NotImplementedError
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@property
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def from_os(self) -> str | None:
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if self._name is not None:
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return environ.get(self._name)
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@property
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def value(self) -> str:
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val = self.from_os
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if val is not None:
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return val
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return self.DEFAULT
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def __call__(self) -> str:
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return self.value
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