ruạṛ
a �i# � @ s> d dl mZ d dlmZ dgZG dd� d�ZG dd� d�ZdS )� ��ref)� GenericAlias�WeakSetc @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_IterationGuardc C s t |�| _d S �N)r � weakcontainer)�selfr � r �#/usr/lib64/python3.9/_weakrefset.py�__init__ s z_IterationGuard.__init__c C s | � � }|d ur |j�| � | S r )r � _iterating�add)r �wr r r � __enter__ s z_IterationGuard.__enter__c C s0 | � � }|d ur,|j}|�| � |s,|�� d S r )r r �remove�_commit_removals)r �e�t�br �sr r r �__exit__ s z_IterationGuard.__exit__N)�__name__� __module__� __qualname__r r r r r r r r s r c @ s& e Zd Zd@dd�Zdd� Zdd� Zdd � Zd d � Zd d � Zdd� Z dd� Z dd� Z dd� Z dd� Z dd� Zdd� Zd d � Zd d � ZeZd d!� Zd"d#� Zd$d%� ZeZd&d'� Zd(d)� Zd*d+� ZeZd,d-� Zd.d/� Z e Z d0d1� Z d2d3� Z d4d5� Z e Z!d6d7� Z"d8d9� Z#d:d;� Z$e$Z%d<d=� Z&d>d?� Z'e(e)�Z*dS )Ar Nc C sB t � | _t| �fdd�}|| _g | _t � | _|d ur>| �|� d S )Nc S s2 |� }|d ur.|j r"|j�| � n |j�| � d S r )r �_pending_removals�append�data�discard)�item�selfrefr r r r �_remove' s z!WeakSet.__init__.<locals>._remove)�setr r r! r r �update)r r r! r r r r % s zWeakSet.__init__c C s> | j j}| jj}z |� }W n ty. Y d S 0 ||� qd S r )r �popr r � IndexError)r r$ r r r r r r 5 s zWeakSet._commit_removalsc c sL t | ��0 | jD ]}|� }|d ur|V qW d � n1 s>0 Y d S r )r r �r �itemrefr r r r �__iter__? s zWeakSet.__iter__c C s t | j�t | j� S r )�lenr r �r r r r �__len__H s zWeakSet.__len__c C s, z t |�}W n ty Y dS 0 || jv S )NF)r � TypeErrorr )r r �wrr r r � __contains__K s zWeakSet.__contains__c C s | j t| �ft| dd �fS )N�__dict__)� __class__�list�getattrr* r r r � __reduce__R s �zWeakSet.__reduce__c C s& | j r| �� | j�t|| j�� d S r )r r r r r r! �r r r r r r V s z WeakSet.addc C s | j r| �� | j�� d S r )r r r �clearr* r r r r5 [ s z WeakSet.clearc C s | � | �S r �r0 r* r r r �copy` s z WeakSet.copyc C sR | j r| �� z| j�� }W n ty8 td�d �Y n0 |� }|d ur|S qd S )Nzpop from empty WeakSet)r r r r$ �KeyErrorr& r r r r$ c s z WeakSet.popc C s" | j r| �� | j�t|�� d S r )r r r r r r4 r r r r o s zWeakSet.removec C s" | j r| �� | j�t|�� d S r )r r r r r r4 r r r r t s zWeakSet.discardc C s& | j r| �� |D ]}| �|� qd S r )r r r )r �other�elementr r r r# y s zWeakSet.updatec C s | � |� | S r )r# �r r9 r r r �__ior__ s zWeakSet.__ior__c C s | � � }|�|� |S r )r7 �difference_update�r r9 �newsetr r r � difference� s zWeakSet.differencec C s | � |� d S r )�__isub__r; r r r r= � s zWeakSet.difference_updatec C s< | j r| �� | |u r"| j�� n| j�dd� |D �� | S )Nc s s | ]}t |�V qd S r r ��.0r r r r � <genexpr>� � z#WeakSet.__isub__.<locals>.<genexpr>)r r r r5 r= r; r r r rA � s zWeakSet.__isub__c s � � � fdd�|D ��S )Nc 3 s | ]}|� v r|V qd S r r rB r* r r rD � rE z'WeakSet.intersection.<locals>.<genexpr>r6 r; r r* r � intersection� s zWeakSet.intersectionc C s | � |� d S r )�__iand__r; r r r �intersection_update� s zWeakSet.intersection_updatec C s( | j r| �� | j�dd� |D �� | S )Nc s s | ]}t |�V qd S r r rB r r r rD � rE z#WeakSet.__iand__.<locals>.<genexpr>)r r r rH r; r r r rG � s zWeakSet.__iand__c C s | j �dd� |D ��S )Nc s s | ]}t |�V qd S r r rB r r r rD � rE z#WeakSet.issubset.<locals>.<genexpr>)r �issubsetr; r r r rI � s zWeakSet.issubsetc C s | j ttt|��k S r �r r" �mapr r; r r r �__lt__� s zWeakSet.__lt__c C s | j �dd� |D ��S )Nc s s | ]}t |�V qd S r r rB r r r rD � rE z%WeakSet.issuperset.<locals>.<genexpr>)r � issupersetr; r r r rM � s zWeakSet.issupersetc C s | j ttt|��kS r rJ r; r r r �__gt__� s zWeakSet.__gt__c C s$ t || j�stS | jttt|��kS r )� isinstancer0 �NotImplementedr r" rK r r; r r r �__eq__� s zWeakSet.__eq__c C s | � � }|�|� |S r )r7 �symmetric_difference_updater> r r r �symmetric_difference� s z WeakSet.symmetric_differencec C s | � |� d S r )�__ixor__r; r r r rR � s z#WeakSet.symmetric_difference_updatec s@ � j r� �� � |u r"� j�� n� j�� fdd�|D �� � S )Nc 3 s | ]}t |� j�V qd S r )r r! rB r* r r rD � rE z#WeakSet.__ixor__.<locals>.<genexpr>)r r r r5 rR r; r r* r rT � s zWeakSet.__ixor__c C s | � dd� | |fD ��S )Nc s s | ]}|D ] }|V q qd S r r )rC r r r r r rD � rE z WeakSet.union.<locals>.<genexpr>r6 r; r r r �union� s z WeakSet.unionc C s t | �|��dkS )Nr )r) rF r; r r r � isdisjoint� s zWeakSet.isdisjointc C s t | j�S r )�reprr r* r r r �__repr__� s zWeakSet.__repr__)N)+r r r r r r( r+ r. r3 r r5 r7 r$ r r r# r< r@ �__sub__r= rA rF �__and__rH rG rI �__le__rL rM �__ge__rN rQ rS �__xor__rR rT rU �__or__rV rX � classmethodr �__class_getitem__r r r r r $ sL N)�_weakrefr �typesr �__all__r r r r r r �<module> s
cải xoăn