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59 lines
1.3 KiB
Python
59 lines
1.3 KiB
Python
from typing import TypeVar
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from abc import ABCMeta, abstractmethod
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T = TypeVar('T', bound='Mirrorable')
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#I = TypeVar('I', bound='MirrorableImpl')
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class Mirrorable(metaclass=ABCMeta):
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"""
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Abstract class for all mirrorable entities
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"""
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__slots__ = ()
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'''
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---- Abstract methods
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'''
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@abstractmethod
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def mirror(self: T, axis: int) -> T:
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"""
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Mirror the entity across an axis.
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Args:
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axis: Axis to mirror across.
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Returns:
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self
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"""
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pass
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#class MirrorableImpl(Mirrorable, metaclass=ABCMeta):
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# """
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# Simple implementation of `Mirrorable`
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# """
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# __slots__ = ()
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#
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# _mirrored: numpy.ndarray # ndarray[bool]
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# """ Whether to mirror the instance across the x and/or y axes. """
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#
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# '''
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# ---- Properties
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# '''
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# # Mirrored property
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# @property
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# def mirrored(self) -> numpy.ndarray: # ndarray[bool]
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# """ Whether to mirror across the [x, y] axes, respectively """
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# return self._mirrored
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#
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# @mirrored.setter
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# def mirrored(self, val: Sequence[bool]):
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# if is_scalar(val):
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# raise PatternError('Mirrored must be a 2-element list of booleans')
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# self._mirrored = numpy.array(val, dtype=bool, copy=True)
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#
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# '''
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# ---- Methods
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# '''
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