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__init__.cpython-310.pyc
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weakref_finalize.cpython-310.pyc
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Edit: weakref_finalize.cpython-310.pyc
o �xe� � @ sF d Z ddlmZ ddlZddlZddlmZ dgZG dd� de�Z dS )zd backports.weakref_finalize ~~~~~~~~~~~~~~~~~~ Backports the Python 3 ``weakref.finalize`` method. � )�absolute_importN)�ref�weakref_finalizec @ s� e Zd ZdZdZi ZdZe�� Z dZ dZ G dd� de �Z dd� Zdd d �Zd d � Zd d� Zedd� �Zedd� �Zejdd� �Zdd� Zedd� �Zedd� �ZdS )r a Class for finalization of weakrefable objects finalize(obj, func, *args, **kwargs) returns a callable finalizer object which will be called when obj is garbage collected. The first time the finalizer is called it evaluates func(*arg, **kwargs) and returns the result. After this the finalizer is dead, and calling it just returns None. When the program exits any remaining finalizers for which the atexit attribute is true will be run in reverse order of creation. By default atexit is true. � Fc @ s e Zd ZdZdS )zweakref_finalize._Info)�weakref�func�args�kwargs�atexit�indexN)�__name__� __module__� __qualname__� __slots__r r r �_/opt/saltstack/salt/lib/python3.10/site-packages/urllib3/packages/backports/weakref_finalize.py�_Info( s r c O sp | j sdd l}|�| j� dt_ | �� }t|| �|_||_||_ |p#d |_ d|_t | j �|_ || j| < dt_d S )Nr T)�_registered_with_atexitr �register� _exitfuncr r r r r r r �next� _index_iterr � _registry�_dirty)�self�objr r r r �infor r r �__init__+ s zweakref_finalize.__init__Nc C s8 | j �| d�}|r| js|j|ji |jpi ��S dS dS )zZIf alive then mark as dead and return func(*args, **kwargs); otherwise return NoneN)r �pop� _shutdownr r r )r �_r r r r �__call__= s �zweakref_finalize.__call__c C sL | j �| �}|o |�� }|dur"| j �| d�r$||j|j|jp i fS dS dS )z^If alive then mark as dead and return (obj, func, args, kwargs); otherwise return NoneN)r �getr r r r r �r r r r r r �detachD s �zweakref_finalize.detachc C s: | j �| �}|o |�� }|dur||j|j|jpi fS dS )zMIf alive then return (obj, func, args, kwargs); otherwise return NoneN)r r! r r r r r" r r r �peekL s �zweakref_finalize.peekc C s | | j v S )zWhether finalizer is alive)r )r r r r �aliveT s zweakref_finalize.alivec C s | j �| �}t|�o |jS )z*Whether finalizer should be called at exit�r r! �boolr )r r r r r r Y s zweakref_finalize.atexitc C s" | j �| �}|rt|�|_d S d S �Nr& )r �valuer r r r r _ s �c C sZ | j �| �}|o |�� }|d u rdt| �jt| �f S dt| �jt| �t|�jt|�f S )Nz<%s object at %#x; dead>z!<%s object at %#x; for %r at %#x>)r r! r �typer �idr" r r r �__repr__e s �zweakref_finalize.__repr__c C s2 dd� | j �� D �}|jdd� d� dd� |D �S )Nc S s g | ] \}}|j r||f�qS r )r ��.0�f�ir r r � <listcomp>u s z5weakref_finalize._select_for_exit.<locals>.<listcomp>c S s | d j S )N� )r )�itemr r r �<lambda>v s z3weakref_finalize._select_for_exit.<locals>.<lambda>)�keyc S s g | ]\}}|�qS r r r- r r r r1 w s )r �items�sort)�cls�Lr r r �_select_for_exitr s z!weakref_finalize._select_for_exitc C s� d}zU| j rJdd l}|�� rd}|�� d } |d u s tjr%| �� }dt_|s(n"|�� }z|� W n tyA t j t � � � Y nw || j vsIJ �qW dt_ |rV|� � d S d S dt_ |rb|� � w w )NFr T)r �gc� isenabled�disabler r r: r � Exception�sys� excepthook�exc_infor �enable)r8 � reenable_gcr; �pendingr/ r r r r y s> ��� �� �zweakref_finalize._exitfuncr( )r r r �__doc__r r r � itertools�countr r r �objectr r r r# r$ �propertyr% r �setterr, � classmethodr: r r r r r r s0 ) rE Z __future__r rF r? r r �__all__rH r r r r r �<module> s
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