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49
abc/abcmeta.py
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49
abc/abcmeta.py
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from __future__ import division, print_function
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import abc
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class Base(object):
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__metaclass__ = abc.ABCMeta
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@abc.abstractproperty
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def x(self):
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return 'Should never get here'
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@abc.abstractmethod
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def process(self, data):
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""" Process data.
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Return bool
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"""
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return
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def __del__(self):
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print("__del__")
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class Implementation(Base):
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def __init__(self):
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self._x = True
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@property
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def x(self):
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return self._x
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@x.setter
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def x(self, value):
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self._x = value
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def process(self, data):
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data += 1
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return True
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# b = Base()
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# print(b.x)
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i = Implementation()
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print(i.x)
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a = 1
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i.process(a)
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print(a)
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i2 = Implementation()
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