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�2`���,�Gd�d�ZGd�d�Zy)c��eZdZdZd�Zdd�Zy)�NonDataPropertyaMuch like the property builtin, but only implements __get__,
    making it a non-data property, and can be subsequently reset.

    See http://users.rcn.com/python/download/Descriptor.htm for more
    information.

    >>> class X(object):
    ...   @NonDataProperty
    ...   def foo(self):
    ...     return 3
    >>> x = X()
    >>> x.foo
    3
    >>> x.foo = 4
    >>> x.foo
    4

    '...' below should be 'jaraco.classes' but for pytest-dev/pytest#3396
    >>> X.foo
    <....properties.NonDataProperty object at ...>
    c�H�|�Jd��t|�sJd��||_y)Nzfget cannot be nonezfget must be callable)�callable�fget)�selfrs  �;/usr/lib/python3/dist-packages/jaraco/classes/properties.py�__init__zNonDataProperty.__init__s-����6�!6�6����~�6�6�6�~���	�Nc�,�|�|S|j|�S�N)r)r�obj�objtypes   r�__get__zNonDataProperty.__get__s���;��K��y�y��~�r
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    Like @property but applies at the class level.


    >>> class X(metaclass=classproperty.Meta):
    ...   val = None
    ...   @classproperty
    ...   def foo(cls):
    ...     return cls.val
    ...   @foo.setter
    ...   def foo(cls, val):
    ...     cls.val = val
    >>> X.foo
    >>> X.foo = 3
    >>> X.foo
    3
    >>> x = X()
    >>> x.foo
    3
    >>> X.foo = 4
    >>> x.foo
    4

    Setting the property on an instance affects the class.

    >>> x.foo = 5
    >>> x.foo
    5
    >>> X.foo
    5
    >>> vars(x)
    {}
    >>> X().foo
    5

    Attempting to set an attribute where no setter was defined
    results in an AttributeError:

    >>> class GetOnly(metaclass=classproperty.Meta):
    ...   @classproperty
    ...   def foo(cls):
    ...     return 'bar'
    >>> GetOnly.foo = 3
    Traceback (most recent call last):
    ...
    AttributeError: can't set attribute

    It is also possible to wrap a classmethod or staticmethod in
    a classproperty.

    >>> class Static(metaclass=classproperty.Meta):
    ...   @classproperty
    ...   @classmethod
    ...   def foo(cls):
    ...     return 'foo'
    ...   @classproperty
    ...   @staticmethod
    ...   def bar():
    ...     return 'bar'
    >>> Static.foo
    'foo'
    >>> Static.bar
    'bar'

    *Legacy*

    For compatibility, if the metaclass isn't specified, the
    legacy behavior will be invoked.

    >>> class X:
    ...   val = None
    ...   @classproperty
    ...   def foo(cls):
    ...     return cls.val
    ...   @foo.setter
    ...   def foo(cls, val):
    ...     cls.val = val
    >>> X.foo
    >>> X.foo = 3
    >>> X.foo
    3
    >>> x = X()
    >>> x.foo
    3
    >>> X.foo = 4
    >>> x.foo
    4

    Note, because the metaclass was not specified, setting
    a value on an instance does not have the intended effect.

    >>> x.foo = 5
    >>> x.foo
    5
    >>> X.foo  # should be 5
    4
    >>> vars(x)  # should be empty
    {'foo': 5}
    >>> X().foo  # should be 5
    4
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