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3 \�K�@s�dZddlmZmZddlmZmZddlZddlZddl Z d)Z d*Zdd�Zedd d ddg�Z d e _e jd+kr�de j_de j_de j_de j_Gdd�de�ZGdd�ded�ZGdd�de�ZGdd�de�Zeed�r�Gdd�de�Zeed ��rGd!d"�d"e�Zeed#��r"Gd$d%�d%e�Zeed&��r>Gd'd(�d(e�Zd(e�k�rPeZn:d"e�k�rbeZn(d%e�k�rteZnde�k�r�eZneZdS),z|Selectors module. This module allows high-level and efficient I/O multiplexing, built upon the `select` module primitives. �)�ABCMeta�abstractmethod)� namedtuple�MappingN�c Csft|t�r|}nsz_SelectorMapping.__init__cCst|jj�S)N)�lenr� _fd_to_key)rrrr�__len__Asz_SelectorMapping.__len__cCsBy|jj|�}|jj|Stk r<tdj|��d�YnXdS)Nz{!r} is not registered)r�_fileobj_lookupr�KeyErrorr )rrrrrr�__getitem__Ds z_SelectorMapping.__getitem__cCst|jj�S)N)�iterrr)rrrr�__iter__Ksz_SelectorMapping.__iter__N)�__name__� __module__�__qualname__�__doc__rrr!r#rrrrr;s rc@sneZdZdZeddd��Zedd��Zddd�Zedd d ��Zdd�Z d d�Z edd��Zdd�Zdd�Z dS)�BaseSelectora-Selector abstract base class. A selector supports registering file objects to be monitored for specific I/O events. 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