Your IP : 3.142.252.166
3
\�a �
@ s� d ddddddddd d
d d g
Z d
dlZd
dlZd
dlZd
dlZd
dlZddlmZ ddlm Z ddlm
Z
ddlm Z ddlm Z ddl
m
Z
G dd � d e j�ZeZy d
dlZW n ek
r� Y n X ej ZZej jZej jZej jZe
dded�dd��Zdd� Ze
dd�d d��Ze
d d � �Zddd �d d�Ze
d.dd�d!d��Z dd�d"d#�Z e e � d< de _ [ dd�d$d �Z e
d%d&� �Z!G d'd(� d(e j�Z"dd)d*�d+d �Z#dd�d,d
�Z$d-d � Z%dS )/�Task�FIRST_COMPLETED�FIRST_EXCEPTION�
ALL_COMPLETED�wait�wait_for� as_completed�sleep�async�gather�shield�
ensure_future�run_coroutine_threadsafe� N� )�
base_tasks)�compat)�
coroutines)�events)�futures)� coroutinec s� e Zd Zej� Zi ZdZeddd��Z eddd��Z
dd�� fdd �
Z e j
rTd
d � Zd d
� Zdd�dd�Zddd�dd�Zdd� Zd � fdd� Zdd� Z� ZS ) r TNc C s |d krt j� }| jj|�S )N)r �get_event_loop�_current_tasks�get)�cls�loop� r �%/usr/lib64/python3.6/asyncio/tasks.py� current_task. s zTask.current_taskc s$ � d krt j� � � fdd�| jD �S )Nc s h | ]}|j � kr|�qS r )�_loop)�.0�t)r r r � <setcomp>B s z!Task.all_tasks.<locals>.<setcomp>)r r �
_all_tasks)r r r )r r � all_tasks: s zTask.all_tasks)r c sN t � j|d� | jr | jd= || _d | _d| _| jj| j� | j j
j | � d S )N)r r F���) �super�__init__�_source_traceback�_coro� _fut_waiter� _must_cancelr � call_soon�_step� __class__r" �add)�self�coror )r- r r r& D s z
Task.__init__c C sH | j tjkr8| jr8| dd�}| jr,| j|d< | jj|� tjj| � d S )Nz%Task was destroyed but it is pending!)�task�messageZsource_traceback) Z_stater Z_PENDING�_log_destroy_pendingr' r Zcall_exception_handler�Future�__del__)r/ �contextr r r r5 S s
z Task.__del__c C s
t j| �S )N)r Z_task_repr_info)r/ r r r �
_repr_info^ s zTask._repr_info)�limitc C s t j| |�S )N)r Z_task_get_stack)r/ r8 r r r � get_stacka s zTask.get_stack)r8 �filec C s t j| ||�S )N)r Z_task_print_stack)r/ r8 r: r r r � print_stackx s zTask.print_stackc C s4 d| _ | j� rdS | jd k r*| jj� r*dS d| _dS )NFT)Z_log_traceback�doner) �cancelr* )r/ r r r r= � s
z Task.cancelc sf | j r t|tj�stj� }d| _ | j}d | _| | jj| j< �zy"|d krT|j d �}n
|j
|�}W n� t k
r� } z.| j r�d| _ | j tj� � n | j
|j� W Y d d }~X �n� tjk
r� t� j� Y �n| tk
r� } z| j |� W Y d d }~X �nP tk
�r( } z| j |� � W Y d d }~X �n X t|dd �}|d k �r�|j| jk �rl| jj| jtdj| |��� n||�r�|| k�r�| jj| jtdj| ��� n2d|_|j| j� || _| j �r�| jj� �r�d| _ n | jj| jtdj| |��� n^|d k�r| jj| j� nDtj |��r.| jj| jtdj| |��� n| jj| jtdj|��� W d | jjj | j� d } X d S )NF�_asyncio_future_blockingz6Task {!r} got Future {!r} attached to a different loopz!Task cannot await on itself: {!r}z;yield was used instead of yield from in task {!r} with {!r}zIyield was used instead of yield from for generator in task {!r} with {!r}zTask got bad yield: {!r}) r* �
isinstancer �CancelledErrorr( r) r- r r �send�throw�
StopIteration�
set_exception�
set_result�valuer% r= � Exception�
BaseException�getattrr+ r, � RuntimeError�formatr> �add_done_callback�_wakeup�inspectZ isgenerator�pop)r/ �excr0 �resultZblocking)r- r r r, � s~
z
Task._stepc C sJ y |j � W n, tk
r8 } z| j|� W Y d d }~X n
X | j� d } d S )N)rQ rG r, )r/ �futurerP r r r rM � s z Task._wakeup)N)N)N)�__name__�
__module__� __qualname__�weakref�WeakSetr" r r3 � classmethodr r# r& r ZPY34r5 r7 r9 r; r= r, rM �
__classcell__r r )r- r r s
!T)r �timeout� return_whenc # s� t j| �stj| �r&tdt| �j ��| s2td��|tt t
fkrNtdj |���� d kr^t j
� � � fdd�t| �D �} t| ||� �E d H S )Nz expect a list of futures, not %sz#Set of coroutines/Futures is empty.z Invalid return_when value: {}c s h | ]}t |� d ��qS ))r )r )r �f)r r r r! 7 s zwait.<locals>.<setcomp>)r �isfuturer � iscoroutine� TypeError�typerS �
ValueErrorr r r rK r r �set�_wait)�fsr rZ r[ r )r r r s c G s | j � s| jd � d S )N)r< rE )�waiter�argsr r r �_release_waiter< s rg )r c c s� |d krt j� }|d kr"| E d H S |j� }|j|t|�}tjt|�}t| |d�} | j|� zhy|E d H W n* t j
k
r� | j |� | j � � Y nX | j
� r�| j� S | j |� | j � t j� �W d |j � X d S )N)r )r r �
create_future�
call_laterrg � functools�partialr rL r r@ �remove_done_callbackr= r< rQ � TimeoutError)�futrZ r re �timeout_handle�cbr r r r A s,
c # s� |j � �d �|d k r"|j|t���t| �� � ���fdd�}x| D ]}|j|� qBW z�E d H W d �d k rt�j� X t� t� }}x4| D ],}|j|� |j� r�|j |� q�|j |� q�W ||fS )Nc s\ � d8 � � dks6�t ks6�tkrX| j� rX| j� d k rX�d k rF�j� �j� sX�jd � d S )Nr r )r r � cancelled� exceptionr= r< rE )r\ )�counterr[ ro re r r �_on_completion| s z _wait.<locals>._on_completion)
rh ri rg �lenrL r= rb rl r< r. )rd rZ r[ r rt r\ r< �pendingr )rs r[ ro re r rc o s&
rc )r rZ c # s� t j| �stj| �r&tdt| �j ���d k r2�ntj� ��fdd�t | �D ��ddl
m } |�d��d �� ��fdd�}���fd d
�� t �fd d ��}x�D ]}|j
� � q�W �r�|d k rʈj||��x tt���D ] }|� V q�W d S )
Nz expect a list of futures, not %sc s h | ]}t |� d ��qS ))r )r )r r\ )r r r r! � s z as_completed.<locals>.<setcomp>r )�Queue)r c s. x �D ]} | j � � �jd � qW �j� d S )N)rl �
put_nowait�clear)r\ )rt r< �todor r � _on_timeout� s
z!as_completed.<locals>._on_timeoutc s6 �sd S �j | � � j| � � r2�d k r2�j� d S )N)�removerx r= )r\ )r< ro rz r r rt � s
z$as_completed.<locals>._on_completionc 3 s$ � j � E d H } | d kr tj�| j� S )N)r r rm rQ )r\ )r< r r �
_wait_for_one� s z#as_completed.<locals>._wait_for_one)r r] r r^ r_ r` rS r r rb Zqueuesrw r rL ri �rangeru )rd r rZ rw r{ r} r\ �_r )rt r< r ro rz r r � s
c
c sX | dkrd V |S |d kr"t j� }|j� }|jj| tj||�}z
|E d H S |j� X d S )Nr )r r rh r ri r Z _set_result_unless_cancelledr= )ZdelayrQ r rR �hr r r r � s
c C s t jdtdd� t| |d�S )Nz;asyncio.async() function is deprecated, use ensure_future()� )�
stacklevel)r )�warnings�warn�DeprecationWarningr )�coro_or_futurer r r r �async_� s r� c C s� t j| �r(|d k r$|| jk r$td��| S tj| �r^|d krBtj� }|j| �}|j rZ|j d= |S t
j r~t j
| �r~tt| �|d�S td��d S )Nz$loop argument must agree with Futurer )r z:An asyncio.Future, a coroutine or an awaitable is requiredr$ )r r] r ra r r^ r r Z create_taskr' r ZPY35rN Z isawaitabler �_wrap_awaitabler_ )r� r r1 r r r r � s
c c s | j � E d H S )N)� __await__)Z awaitabler r r r� s r� c s* e Zd Zdd�� fdd�
Zdd� Z� ZS )�_GatheringFutureN)r c s t � j|d� || _d| _d S )N)r F)r% r& � _children�_cancel_requested)r/ �childrenr )r- r r r& $ s z_GatheringFuture.__init__c C s: | j � r dS d}x| jD ]}|j� rd}qW |r6d| _|S )NFT)r< r� r= r� )r/ ZretZchildr r r r= ) s z_GatheringFuture.cancel)rS rT rU r& r= rY r r )r- r r� s r� F)r �return_exceptionsc s |s*| d krt j� } | j� ��jg � �S i � xjt|�D ]^}tj|�sht|| d�}| d kr`|j} d|_ n&|}| d kr||j} n|j| k r�t
d��|� |< q8W � fdd�|D �}t |��t || d��d�d g� ������fdd�}x&t
|�D ]\}}|jtj||�� q�W �S ) N)r Fz)futures are tied to different event loopsc s g | ] }� | �qS r r )r �arg)�
arg_to_futr r �
<listcomp>h s zgather.<locals>.<listcomp>r c s� �j � r |j� s|j� d S |j� r@tj� }�sl�j|� d S n,|jd k rf|j� }�sl�j|� d S n|j}|�| < �d7 ��� kr��jr��jtj� � n
�j �� d S )Nr )
r< rq rr r r@ rD Z
_exceptionZ_resultr� rE )�irn �res)� nchildren� nfinished�outer�resultsr� r r �_done_callbackn s*
z gather.<locals>._done_callback)r r rh rE rb r r] r r r3 ra ru r� � enumeraterL rj rk )r r� Zcoros_or_futuresr� rn r� r� r� r )r� r� r� r� r� r� r r
8 s8
c s@ t | |d�}|j� r|S |j}|j� � � fdd�}|j|� � S )N)r c s\ � j � r | j � s| j� d S | j � r.� j� n*| j� }|d k rJ� j|� n� j| j� � d S )N)rq rr r= rD rE rQ )�innerrP )r� r r r� � s
z shield.<locals>._done_callback)r r< r rh rL )r� r r� r� r )r� r r � s
c s: t j� �std��tjj� �� ��fdd�}�j|� �S )Nz A coroutine object is requiredc sT yt jt� �d��� W n6 tk
rN } z�j� r<�j| � � W Y d d } ~ X nX d S )N)r )r Z
_chain_futurer rG Z set_running_or_notify_cancelrD )rP )r0 rR r r r �callback� s
z*run_coroutine_threadsafe.<locals>.callback)r r^ r_ �
concurrentr r4 Zcall_soon_threadsafe)r0 r r� r )r0 rR r r r
� s
)N)&�__all__Zconcurrent.futuresr� rj rN r� rV � r r r r r r r4 r Z_PyTaskZ_asyncio� ImportErrorZ_CTaskr r r r rg r rc r r r� �globalsrS r r� r� r
r r
r r r r �<module> sX
s
- -8
W5