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tasks.cpython-37.opt-2.pyc
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rm r_ Z isawaitabler �_wrap_awaitabler: )Zcoro_or_futurer rF r r r r X s r c c s | � � E d H S )N)� __await__)Z awaitabler r r r� o s r� c s* e Zd Zdd�� fdd� Zdd� Z� ZS )�_GatheringFutureN)r c s t � j|d� || _d| _d S )N)r F)r5 r6 � _children�_cancel_requested)rC �childrenr )rE r r r6 � s z_GatheringFuture.__init__c C s: | � � r dS d}x| jD ]}|�� rd}qW |r6d| _|S )NFT)r" r� rR r� )rC �retZchildr r r rR � s z_GatheringFuture.cancel)rc rd re r6 rR rg r r )rE r r� y s r� F)r �return_exceptionsc s� |s*| d krt �� } | �� ���g � �S � ����fdd�}i }g � d�d�xn|D ]f}||kr�t|| d�}| d kr~t�|�} ||k r�d|_�d7 �|||< |�|� n|| }� � |� qTW t � | d���S )Nc s� �d7 ��� � r$| �� s | �� d S �sd| �� rFt�� }��|� d S | �� }|d k rd��|� d S ��kr�g }x@� D ]8} | �� r�t�� }n| �� }|d kr�| �� }|�|� qvW �jrȈ�t�� � n �� |� d S )Nr ) r" r~ rL r rU rM rJ �appendr� rK )r{ r` �resultsZres)r� � nfinished�nfuts�outerr� r r �_done_callback� s4 z gather.<locals>._done_callbackr )r Fr ) r r+ ru rK r r r! r9 r] r� r� )r r� Zcoros_or_futuresr� Z arg_to_fut�argr{ r )r� r� r� r� r� r r � s2 1 r c s\ t | |d����� r�S t���}|�� ��fdd�� � �fdd�}��� � ��|� �S )N)r c s\ � � � r | � � s| �� d S | � � r.� �� n*| �� }|d k rJ� �|� n� �| �� � d S )N)r~ rL rR rM rK rJ )�innerr` )r� r r �_inner_done_callback# s z$shield.<locals>._inner_done_callbackc s �� � s��� � d S )N)r" ry )r� )r� r� r r �_outer_done_callback4 s z$shield.<locals>._outer_done_callback)r r" r r! ru r] )r� r r� r )r� r� r� r r s r c s: t �� �std��tj�� �� ��fdd�}��|� �S )Nz A coroutine object is requiredc sT yt �t� �d��� W n6 tk rN } z��� r<��| � � W d d } ~ X Y nX d S )N)r )r Z _chain_futurer rZ Z set_running_or_notify_cancelrM )r` )rD rb r r r �callbackF s z*run_coroutine_threadsafe.<locals>.callback)r r8 r: � concurrentr �FutureZcall_soon_threadsafe)rD r r� r )rD rb r r r = s r c C s t �| � d S )N)r' r� )rF r r r r Z s r c C s4 t �| �}|d k r(td|�d|�d���|t | < d S )NzCannot enter into task z while another task z is being executed.)r r r( )r rF r r r r r _ s r c C s2 t �| �}||k r(td|�d|�d���t | = d S )Nz Leaving task z! does not match the current task �.)r r r( )r rF r r r r r g s r c C s t �| � d S )N)r' �discard)rF r r r r o s r )r r r r r' r )N)N)N)N):�__all__�concurrent.futuresr� r> rw r_ �typesr/ �weakref� r r r r r r r r, Z _PyFuturer Z_PyTaskZ_asyncio� ImportErrorZ_CTaskr r r r r rs r ro rz r r� r r r� r� r� r r r ZWeakSetr' r r r r r Z_py_register_taskZ_py_unregister_taskZ_py_enter_taskZ_py_leave_taskZ_c_register_taskZ_c_unregister_taskZ _c_enter_taskZ _c_leave_taskr r r r �<module> sv } 9,7 m;$
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