Your IP : 3.147.81.51
3
\�# � @ s d ddgZ ddlZddlZddlZddlZddlmZ yejjej � �Z
W n e k
rb dZ
Y nX dd� Z dd� Z
dd � ZG d
d � d e�ZG d d � d e�ZG d
d� de�Ze� aejd�ae� a[i Zx<eejj � �D ]*\Z Z e dd� dko�de kr�e ee < q�W e� Z dS )� BaseProcess�current_process�active_children� N)�WeakSetc C s t S )z@
Return process object representing the current process
)�_current_process� r r � /usr/lib64/python3.6/process.pyr # s c C s t � tt�S )zN
Return list of process objects corresponding to live child processes
)�_cleanup�list� _childrenr r r r r ) s c C s. x(t t�D ] } | jj� d k r
tj| � q
W d S )N)r
r �_popen�poll�discard)�pr r r r 4 s r c @ s� e Zd ZdZdd� Zdddf i fdd�dd�Zdd � Zd
d � Zd d
� Zd%dd�Z dd� Z
e dd� �Z e j
dd� �Z e dd� �Zej
dd� �Ze dd� �Zej
dd� �Ze dd � �Ze d d � �ZeZe d d � �Zd!d"� Zd#d$� ZdS )&r z�
Process objects represent activity that is run in a separate process
The class is analogous to `threading.Thread`
c C s t �d S )N)�NotImplementedError)�selfr r r �_PopenD s zBaseProcess._PopenN)�daemonc C s� |d kst d��tt�}tj|f | _tjj� | _tj� | _ d | _
|| _ t |�| _
t|�| _|p�t| �jd djdd� | jD �� | _|d k r�|| _tj| � d S )Nz#group argument must be None for now�-�:c s s | ]}t |�V qd S )N)�str)�.0�ir r r � <genexpr>S s z'BaseProcess.__init__.<locals>.<genexpr>)�AssertionError�next�_process_counterr � _identity�_config�copy�os�getpid� _parent_pidr �_target�tuple�_args�dict�_kwargs�type�__name__�join�_namer � _dangling�add)r �group�target�name�args�kwargsr �countr r r �__init__G s
zBaseProcess.__init__c C s | j r| j | j| j� dS )zQ
Method to be run in sub-process; can be overridden in sub-class
N)r# r% r' )r r r r �runX s zBaseProcess.runc C st | j dkstd��| jtj� ks(td��tjjd� s>td��t� | j | �| _ | j j
| _ | ` | `
| `tj| � dS )z%
Start child process
Nz cannot start a process twicez:can only start a process object created by current processr z3daemonic processes are not allowed to have children)r r r" r r! r r �getr r �sentinel� _sentinelr# r% r' r r- )r r r r �start_ s
zBaseProcess.startc C s | j j� dS )zT
Terminate process; sends SIGTERM signal or uses TerminateProcess()
N)r � terminate)r r r r r: p s zBaseProcess.terminatec C sJ | j tj� kstd��| jdk s(td��| jj|�}|dk rFtj| � dS )z5
Wait until child process terminates
z can only join a child processNz can only join a started process)r" r r! r r �waitr r )r Ztimeout�resr r r r* v s
zBaseProcess.joinc C sX | t kr dS | jtj� ks"td��| jdkr0dS | jj� }|dkrFdS tj| � dS dS )z1
Return whether process is alive
Tz can only test a child processNF) r r" r r! r r r
r r )r �
returncoder r r �is_alive� s
zBaseProcess.is_alivec C s | j S )N)r+ )r r r r r0 � s zBaseProcess.namec C s t |t�std��|| _d S )Nzname must be a string)�
isinstancer r r+ )r r0 r r r r0 � s c C s | j jdd�S )z4
Return whether process is a daemon
r F)r r6 )r r r r r � s zBaseProcess.daemonc C s | j dkstd��|| jd< dS )z1
Set whether process is a daemon
Nzprocess has already startedr )r r r )r Zdaemonicr r r r � s c C s
| j d S )N�authkey)r )r r r r r@ � s zBaseProcess.authkeyc C s t |�| jd< dS )z2
Set authorization key of process
r@ N)�AuthenticationStringr )r r@ r r r r@ � s c C s | j dkr| j S | j j� S )zM
Return exit code of process or `None` if it has yet to stop
N)r r
)r r r r �exitcode� s
zBaseProcess.exitcodec C s" | t krtj� S | jo | jjS dS )zU
Return identifier (PID) of process or `None` if it has yet to start
N)r r r! r �pid)r r r r �ident� s zBaseProcess.identc C s( y| j S tk
r" td��Y nX dS )z{
Return a file descriptor (Unix) or handle (Windows) suitable for
waiting for process termination.
zprocess not startedN)r8 �AttributeError�
ValueError)r r r r r7 � s zBaseProcess.sentinelc C s� | t krd}n>| jtj� kr"d}n*| jd kr2d}n| jj� d k rH| j}nd}t|�tkrv|dkrfd}ndt j
||� }dt| �j | j || j
r�dp�d f S )
NZstarted�unknown�initialr Zstoppedz stopped[%s]z<%s(%s, %s%s)>z daemon� )r r" r r! r r
rB r( �int�_exitcode_to_namer6 r) r+ r )r Zstatusr r r �__repr__� s
zBaseProcess.__repr__c C sJ ddl m}m} �zy|| jd k r,|j| j� tjd�at� a |j
� t }| a z|j j
� |j� W d ~X |jd� z| j� d}W d |j� X W n� tk
r� } zL|js�d}n:t|jd t�r�|jd }n tjjt|jd �d � d}W Y d d }~X n2 d}dd l}tjjd| j � |j � Y nX W d |jd| � |j � X |S )N� )�util�contextz child process calling self.run()r �
z Process %s:
z process exiting with exitcode %d) rI rN rO Z
_start_methodZ_force_start_method� itertoolsr3 r �setr Z _close_stdinr Z_finalizer_registry�clearZ_run_after_forkers�infor5 Z_exit_function�
SystemExitr1 r? rJ �sys�stderr�writer � tracebackr0 � print_excZ_flush_std_streams)r rN rO Z old_processrB �erY r r r �
_bootstrap� sB
zBaseProcess._bootstrap)N)r) �
__module__� __qualname__�__doc__r r4 r5 r9 r: r* r> �propertyr0 �setterr r@ rB rD rC r7 rL r\ r r r r r > s*
c @ s e Zd Zdd� ZdS )rA c C s, ddl m} |� d kr td��tt| �ffS )NrM )�get_spawning_popenzJPickling an AuthenticationString object is disallowed for security reasons)rO rb � TypeErrorrA �bytes)r rb r r r �
__reduce__ s
z AuthenticationString.__reduce__N)r) r] r^ re r r r r rA s rA c @ s e Zd Zdd� ZdS )� _MainProcessc C s2 f | _ d| _d | _d | _ttjd��dd�| _d S )NZ MainProcess� z/mp)r@ Z semprefix)r r+ r" r rA r �urandomr )r r r r r4 - s z_MainProcess.__init__N)r) r] r^ r4 r r r r rf + s rf rM � ZSIG�_) �__all__r rV �signalrQ � _weakrefsetr �path�abspath�getcwdZ ORIGINAL_DIR�OSErrorr r r �objectr rd rA rf r r3 r rR r rK r
�__dict__�itemsr0 Zsignumr, r r r r �<module>
s2
`