Edit File: _weakrefset.cpython-37.pyc
B r}�c/ � @ s2 d dl mZ dgZG dd� d�ZG dd� d�ZdS )� )�ref�WeakSetc @ s$ e Zd Zdd� Zdd� Zdd� ZdS )�_IterationGuardc C s t |�| _d S )N)r � weakcontainer)�selfr � r �0/opt/alt/python37/lib64/python3.7/_weakrefset.py�__init__ s z_IterationGuard.__init__c C s | � � }|d k r |j�| � | S )N)r � _iterating�add)r �wr r r � __enter__ s z_IterationGuard.__enter__c C s0 | � � }|d k r,|j}|�| � |s,|�� d S )N)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&dS )?r Nc C sB t � | _t| �fdd�}|| _g | _t � | _|d k r>| �|� d S )Nc S s2 |� }|d k r.|j r"|j�| � n |j�| � d S )N)r �_pending_removals�append�data�discard)�itemZselfrefr 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 }| jj}x|r"||�� � qW d S )N)r r r �pop)r �lr r r r r 4 s zWeakSet._commit_removalsc c s< t | ��* x"| jD ]}|� }|d k r|V qW W d Q R X d S )N)r r )r �itemrefr r r r �__iter__: s zWeakSet.__iter__c C s t | j�t | j� S )N)�lenr r )r r r r �__len__C s zWeakSet.__len__c C s, y t |�}W n tk r dS X || jkS )NF)r � TypeErrorr )r r Zwrr r r � __contains__F s zWeakSet.__contains__c C s | j t| �ft| dd �fS )N�__dict__)� __class__�list�getattr)r r r r � __reduce__M s zWeakSet.__reduce__c C s& | j r| �� | j�t|| j�� d S )N)r r r r r r )r r r r r r Q s z WeakSet.addc C s | j r| �� | j�� d S )N)r r r �clear)r r r r r- V s z WeakSet.clearc C s | � | �S )N)r) )r r r r �copy[ s z WeakSet.copyc C sX | j r| �� xDy| j�� }W n tk r< td�d �Y nX |� }|d k r|S qW d S )Nzpop from empty WeakSet)r r r r �KeyError)r r" r r r r r ^ s z WeakSet.popc C s" | j r| �� | j�t|�� d S )N)r r r r r )r r r r r r j s zWeakSet.removec C s" | j r| �� | j�t|�� d S )N)r r r r r )r r r r r r o s zWeakSet.discardc C s* | j r| �� x|D ]}| �|� qW d S )N)r r r )r �otherZelementr r r r t s zWeakSet.updatec C s | � |� | S )N)r )r r0 r r r �__ior__z s zWeakSet.__ior__c C s | � � }|�|� |S )N)r. �difference_update)r r0 �newsetr r r � difference~ s zWeakSet.differencec C s | � |� d S )N)�__isub__)r r0 r r r r2 � s zWeakSet.difference_updatec C s< | j r| �� | |kr"| j�� n| j�dd� |D �� | S )Nc s s | ]}t |�V qd S )N)r )�.0r r r r � <genexpr>� s z#WeakSet.__isub__.<locals>.<genexpr>)r r r r- r2 )r r0 r r r r5 � s zWeakSet.__isub__c s � � � fdd�|D ��S )Nc 3 s | ]}|� kr|V qd S )Nr )r6 r )r r r r7 � s z'WeakSet.intersection.<locals>.<genexpr>)r) )r r0 r )r r � intersection� s zWeakSet.intersectionc C s | � |� d S )N)�__iand__)r r0 r r r �intersection_update� s zWeakSet.intersection_updatec C s( | j r| �� | j�dd� |D �� | S )Nc s s | ]}t |�V qd S )N)r )r6 r r r r r7 � s z#WeakSet.__iand__.<locals>.<genexpr>)r r r r: )r r0 r r r r9 � s zWeakSet.__iand__c C s | j �dd� |D ��S )Nc s s | ]}t |�V qd S )N)r )r6 r r r r r7 � s z#WeakSet.issubset.<locals>.<genexpr>)r �issubset)r r0 r r r r; � s zWeakSet.issubsetc C s | j ttt|��k S )N)r r �mapr )r r0 r r r �__lt__� s zWeakSet.__lt__c C s | j �dd� |D ��S )Nc s s | ]}t |�V qd S )N)r )r6 r r r r r7 � s z%WeakSet.issuperset.<locals>.<genexpr>)r � issuperset)r r0 r r r r> � s zWeakSet.issupersetc C s | j ttt|��kS )N)r r r< r )r r0 r r r �__gt__� s zWeakSet.__gt__c C s$ t || j�stS | jttt|��kS )N)� isinstancer) �NotImplementedr r r< r )r r0 r r r �__eq__� s zWeakSet.__eq__c C s | � � }|�|� |S )N)r. �symmetric_difference_update)r r0 r3 r r r �symmetric_difference� s z WeakSet.symmetric_differencec C s | � |� d S )N)�__ixor__)r r0 r r r rC � s z#WeakSet.symmetric_difference_updatec s@ � j r� �� � |kr"� j�� n� j�� fdd�|D �� � S )Nc 3 s | ]}t |� j�V qd S )N)r r )r6 r )r r r r7 � s z#WeakSet.__ixor__.<locals>.<genexpr>)r r r r- rC )r r0 r )r r rE � s zWeakSet.__ixor__c C s | � dd� | |fD ��S )Nc s s | ]}|D ] }|V q qd S )Nr )r6 r r r r r r7 � s z WeakSet.union.<locals>.<genexpr>)r) )r r0 r r r �union� s z WeakSet.unionc C s t | �|��dkS )Nr )r$ r8 )r r0 r r r � isdisjoint� s zWeakSet.isdisjoint)N)'r r r r r r# r% r' r, r r- r. r r r r r1 r4 �__sub__r2 r5 r8 �__and__r: r9 r; �__le__r= r> �__ge__r? rB rD �__xor__rC rE rF �__or__rG r r r r r # sH N)�_weakrefr �__all__r r r r r r �<module> s