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3 \"�@svdZddlmZdd�ZGdd�de�ZGdd�de�ZGd d �d e�Z Gd d �d e �Z Gd d�de d�Z dd�Z dS)z3Abstract Base Classes (ABCs) according to PEP 3119.�)�WeakSetcCs d|_|S)a�A decorator indicating abstract methods. Requires that the metaclass is ABCMeta or derived from it. A class that has a metaclass derived from ABCMeta cannot be instantiated unless all of its abstract methods are overridden. The abstract methods can be called using any of the normal 'super' call mechanisms. Usage: class C(metaclass=ABCMeta): @abstractmethod def my_abstract_method(self, ...): ... T)�__isabstractmethod__)�funcobj�r�/usr/lib64/python3.6/abc.py�abstractmethod srcs$eZdZdZdZ�fdd�Z�ZS)�abstractclassmethodaO A decorator indicating abstract classmethods. Similar to abstractmethod. Usage: class C(metaclass=ABCMeta): @abstractclassmethod def my_abstract_classmethod(cls, ...): ... 'abstractclassmethod' is deprecated. Use 'classmethod' with 'abstractmethod' instead. Tcsd|_t�j|�dS)NT)r�super�__init__)�self�callable)� __class__rrr 0szabstractclassmethod.__init__)�__name__� __module__� __qualname__�__doc__rr � __classcell__rr)r rrsrcs$eZdZdZdZ�fdd�Z�ZS)�abstractstaticmethodaO A decorator indicating abstract staticmethods. Similar to abstractmethod. Usage: class C(metaclass=ABCMeta): @abstractstaticmethod def my_abstract_staticmethod(...): ... 'abstractstaticmethod' is deprecated. Use 'staticmethod' with 'abstractmethod' instead. Tcsd|_t�j|�dS)NT)rr r )r r )r rrr Hszabstractstaticmethod.__init__)rrrrrr rrr)r rr5src@seZdZdZdZdS)�abstractpropertyak A decorator indicating abstract properties. Requires that the metaclass is ABCMeta or derived from it. A class that has a metaclass derived from ABCMeta cannot be instantiated unless all of its abstract properties are overridden. The abstract properties can be called using any of the normal 'super' call mechanisms. Usage: class C(metaclass=ABCMeta): @abstractproperty def my_abstract_property(self): ... This defines a read-only property; you can also define a read-write abstract property using the 'long' form of property declaration: class C(metaclass=ABCMeta): def getx(self): ... def setx(self, value): ... x = abstractproperty(getx, setx) 'abstractproperty' is deprecated. Use 'property' with 'abstractmethod' instead. TN)rrrrrrrrrrMsrcsFeZdZdZdZ�fdd�Zdd�Zddd �Zd d �Zd d �Z �Z S)�ABCMetaaiMetaclass for defining Abstract Base Classes (ABCs). Use this metaclass to create an ABC. An ABC can be subclassed directly, and then acts as a mix-in class. 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