✏️ 编辑：weakref.cpython-39.opt-1.pyc
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/usr/lib64/python3.9/__pycache__/weakref.cpython-39.opt-1.pyc
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This can be used to avoid creating references that will cause the garbage collector to keep the keys around longer than needed. )rx r? rU r r r �keyrefs� s zWeakKeyDictionary.keyrefsc C s0 d| _ | j�� \}}|� }|d ur||fS qd S r� )r� r? rq )r r> r^ rP r r r rq � s zWeakKeyDictionary.popitemc G s d| _ | jjt|�g|�R � S r� )r� r? rI r )r r> rr r r r rI � s zWeakKeyDictionary.popc C s | j �t|| j�|�S r) )r? rs r rD r� r r r rs � s z WeakKeyDictionary.setdefaultc K s\ | j }|d urFt|d�s$ti �|�}|�� D ]\}}||t|| j�< q,t|�rX| �|� d S rt )r? ru r# r` r rD rT rF )r rv rw rK r> r^ r r r rF � s zWeakKeyDictionary.updatec C s | � |� | S r) rz r1 r r r r{ s zWeakKeyDictionary.__ior__c C s& t |tj�r"| �� }|�|� |S tS r) r| r r r r r� s zWeakKeyDictionary.__or__c C s0 t |tj�r,| �� }|�|� |�| � |S tS r) r� r r r r r� s zWeakKeyDictionary.__ror__)N)N)N)N) r4 r5 r6 r7 rH rL r� rS rQ rV r[ r_ rb r� rf rh rW r` rl r� rn r� rq rI rs rF r{ r� r� r r r r r e s4 r c @ s� e Zd ZdZdZi ZdZe�� Z dZ dZ G dd� d�Z dd� Z dd 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. 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By default atexit is true. r Fc @ s e Zd ZdZdS )zfinalize._Info)�weakrefr( rr rw �atexit�indexN)r4 r5 r6 r8 r r r r �_Info6 s r� c O sp | j s dd l}|�| j� dt_ | �� }t|| �|_||_||_ |pFd |_ d|_t | j �|_ || j| < dt_d S )Nr T)�_registered_with_atexitr� �register� _exitfuncr r� r r� r( rr rw �next� _index_iterr� � _registry�_dirty)r r' r( rr rw r� �infor r r rH 9 s zfinalize.__init__Nc C s4 | j �| d�}|r0| js0|j|ji |jp*i ��S dS )zZIf alive then mark as dead and return func(*args, **kwargs); otherwise return NoneN)r� rI � _shutdownr( rr rw )r �_r� r r r r+ J s zfinalize.__call__c C sH | j �| �}|o|�� }|durD| j �| d�rD||j|j|jp@i fS dS )z^If alive then mark as dead and return (obj, func, args, kwargs); otherwise return NoneN)r� rh r� rI r( rr rw �r r� r' r r r �detachQ s zfinalize.detachc C s: | j �| �}|o|�� }|dur6||j|j|jp2i fS dS )zMIf alive then return (obj, func, args, kwargs); otherwise return NoneN)r� rh r� r( rr rw r� r r r �peekY s z finalize.peekc C s | | j v S )zWhether finalizer is alive)r� rU r r r �alivea s zfinalize.alivec C s | j �| �}t|�o|jS )z*Whether finalizer should be called at exit�r� rh �boolr� )r r� r r r r� f s zfinalize.atexitc C s | j �| �}|rt|�|_d S r) r� )r r^ r� r r r r� l s c C s^ | j �| �}|o|�� }|d u r6dt| �jt| �f S dt| �jt| �t|�jt|�f S d S )Nz<%s object at %#x; dead>z!<%s object at %#x; for %r at %#x>)r� rh r� r# r4 rZ r� r r r r[ r s �zfinalize.__repr__c C s2 dd� | j �� D �}|jdd� d� dd� |D �S )Nc S s g | ]\}}|j r||f�qS r )r� �r� �f�ir r r r� ~ r� z-finalize._select_for_exit.<locals>.<listcomp>c S s | d j S )N� )r� )�itemr r r �<lambda> r� z+finalize._select_for_exit.<locals>.<lambda>r� c S s g | ] \}}|�qS r r r� r r r r� � r� )r� r` �sort)r% �Lr r r �_select_for_exit{ s zfinalize._select_for_exitc C s� d}z�| j r�dd l}|�� r(d}|�� d }|d u s:tjrH| �� }dt_|sNq�|�� }z |� W q, ty� t j t � � � Y q,0 q,W dt_ |r�|� � ndt_ |r�|� � 0 d S )NFr T)r� �gc� isenabled�disabler r� r� rI � Exception�sys� excepthook�exc_infor� �enable)r% � reenable_gcr� �pendingr� r r r r� � s2 �zfinalize._exitfunc)N)r4 r5 r6 r7 r8 r� r� � itertools�countr� r� r� r� rH r+ r� r� �propertyr� r� �setterr[ � classmethodr� r� r r r r r s. r )r7 �_weakrefr r r r r r r r � _weakrefsetr r r} r� r� r �__all__�Setr� � MutableSetr �MutableMappingr r\ r r r r r r �<module> s ( 6 t 9
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