o V h.@s GdddZGdddZdS)c@s"eZdZdZddZdddZdS)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 cCs*|dusJdt|sJd||_dS)Nzfget cannot be nonezfget must be callable)callablefget)selfrrm/var/www/html/construction_image-detection-poc/venv/lib/python3.10/site-packages/keyring/compat/properties.py__init__s zNonDataProperty.__init__NcCs|dur|S||SN)r)robjobjtyperrr__get__s zNonDataProperty.__get__r)__name__ __module__ __qualname____doc__rr rrrrrsrc@sPeZdZdZGdddeZdddZdddZd d Zd d Z e d dZ dS) classpropertya 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 cseZdZfddZZS)zclassproperty.Metacs4|j|d}t|tur|||St||Sr)__dict__gettyper__set__super __setattr__)rkeyvaluer  __class__rrrs  zclassproperty.Meta.__setattr__)r r rr __classcell__rrrrMetasrNcCs*|||_||_|o||dSdSr)_ensure_methodrfsetsetter)rrrrrrrs zclassproperty.__init__cCs|jd|Sr)rr )rinstanceownerrrrr szclassproperty.__get__cCs6|jstdt|tjurt|}|jd||S)Nzcan't set attribute)rAttributeErrorrrrr )rr!rrrrrs zclassproperty.__set__cCs|||_|Sr)rr)rrrrrrs zclassproperty.settercCs t|ttf }|rt|S|S)z= Ensure fn is a classmethod or staticmethod. ) isinstance classmethod staticmethod)clsfn needs_methodrrrrszclassproperty._ensure_methodr) r r rrrrrr rrr$rrrrrr"sf  rN)rrrrrrs