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77 lines
1.3 KiB
Python
77 lines
1.3 KiB
Python
from typing import TypeVar
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from abc import ABCMeta, abstractmethod
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from ..error import PatternError
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T = TypeVar('T', bound='Doseable')
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I = TypeVar('I', bound='DoseableImpl')
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class Doseable(metaclass=ABCMeta):
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"""
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Abstract class for all doseable entities
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"""
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__slots__ = ()
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'''
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---- Properties
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'''
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@property
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@abstractmethod
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def dose(self) -> float:
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"""
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Dose (float >= 0)
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"""
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pass
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# @dose.setter
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# @abstractmethod
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# def dose(self, val: float):
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# pass
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'''
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---- Methods
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'''
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def set_dose(self: T, dose: float) -> T:
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"""
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Set the dose
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Args:
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dose: new value for dose
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Returns:
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self
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"""
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pass
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class DoseableImpl(Doseable, metaclass=ABCMeta):
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"""
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Simple implementation of Doseable
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"""
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__slots__ = ()
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_dose: float
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""" Dose """
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'''
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---- Non-abstract properties
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'''
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@property
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def dose(self) -> float:
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return self._dose
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@dose.setter
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def dose(self, val: float):
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if not val >= 0:
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raise PatternError('Dose must be non-negative')
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self._dose = val
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'''
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---- Non-abstract methods
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'''
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def set_dose(self: I, dose: float) -> I:
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self.dose = dose
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return self
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