a
    |c}                     @   s   g d Z ddlZddlZddlZddlZddlZddlZddlZddlZddl	Z	ddl
mZ ddl
mZmZ ddlmZ ejZz$ddlZddlmZmZmZmZ W n" ey   ejdkr dZY n0 d	Zd
Ze ZdZdgZeedrdZedg7 ZejdkrdZedg7 ZefddZ dd Z!dd Z"dd Z#dd Z$G dd dZ%erbG dd de%Z&G dd de%Z'G dd de(Z)dPd d!Z*ejdkrdQd#d$Z+n
dRd%d$Z+G d&d' d'e(Z,d(d) Z-ejdkrG d*d+ d+e(Z.d,d- Z/d.Z0d/Z1d0Z2d1Z3d2d3 Z4d4d5 Z5G d6d7 d7e(Z6d8d9 Z7d:d; Z8G d<d= d=e)Z9d>d? Z:ejdkrnd@dA Z;ej<ej=hZ>dSdBdCZ?n,ddl@Z@ee@dDre@jAZBne@jCZBdTdEdCZ?ejdkrdFdG ZDdHdI ZEeFe'eD dJdK ZGdLdM ZHeFe&eG ndNdG ZDdOdI ZEeFe'eD dS )U)ClientListenerPipewait    N   )util)AuthenticationErrorBufferTooShort)	reduction)WAIT_OBJECT_0WAIT_ABANDONED_0WAIT_TIMEOUTINFINITEwin32i    g      4@AF_INETAF_UNIXAF_PIPEc                 C   s   t  |  S Ntime	monotonic)timeout r   +lib/python3.9/multiprocessing/connection.py_init_timeout;   s    r   c                 C   s   t  | kS r   r   )tr   r   r   _check_timeout>   s    r   c                 C   sv   | dkrdS | dkrDt jr2dt  dtt S tjdt  dS | dkrjtjd	t ttf d
dS t	ddS )z?
    Return an arbitrary free address for the given family
    r   )Z	localhostr   r   z
 listener--z	listener-)prefixdirr   z\\.\pipe\pyc-%d-%d- zunrecognized familyN)
r   Zabstract_sockets_supportedosgetpidnext_mmap_countertempfileZmktempZget_temp_dir
ValueErrorfamilyr   r   r   arbitrary_addressE   s    r)   c                 C   sJ   t jdkr| dkrtd|  t jdkrF| dkrFtt| sFtd|  dS )zD
    Checks if the family is valid for the current environment.
    r   r   zFamily %s is not recognized.r   N)sysplatformr&   hasattrsocketr'   r   r   r   _validate_familyX   s
    
r.   c                 C   sT   t | tkrdS t | tu r*| dr*dS t | tu s@t| rDdS td|  dS )z]
    Return the types of the address

    This can be 'AF_INET', 'AF_UNIX', or 'AF_PIPE'
    r   z\\r   r   zaddress type of %r unrecognizedN)typetuplestr
startswithr   is_abstract_socket_namespacer&   )addressr   r   r   address_typed   s    r5   c                   @   s   e Zd ZdZd+ddZdd Zdd Zd	d
 Zdd Zdd Z	e
dd Ze
dd Ze
dd Zdd Zdd Zd,ddZdd Zd-ddZd.d d!Zd"d# Zd/d%d&Zd'd( Zd)d* ZdS )0_ConnectionBaseNTc                 C   s>   |  }|dk rtd|s(|s(td|| _|| _|| _d S )Nr   zinvalid handlez6at least one of `readable` and `writable` must be True)	__index__r&   _handle	_readable	_writable)selfhandlereadablewritabler   r   r   __init__z   s    z_ConnectionBase.__init__c                 C   s   | j d ur|   d S r   r8   _closer;   r   r   r   __del__   s    
z_ConnectionBase.__del__c                 C   s   | j d u rtdd S )Nzhandle is closed)r8   OSErrorrB   r   r   r   _check_closed   s    
z_ConnectionBase._check_closedc                 C   s   | j stdd S )Nzconnection is write-only)r9   rD   rB   r   r   r   _check_readable   s    z_ConnectionBase._check_readablec                 C   s   | j stdd S )Nzconnection is read-only)r:   rD   rB   r   r   r   _check_writable   s    z_ConnectionBase._check_writablec                 C   s"   | j rd| _n|   tdd S )NFzbad message length)r:   r9   closerD   rB   r   r   r   _bad_message_length   s    z#_ConnectionBase._bad_message_lengthc                 C   s
   | j du S )z True if the connection is closedNr8   rB   r   r   r   closed   s    z_ConnectionBase.closedc                 C   s   | j S )z"True if the connection is readable)r9   rB   r   r   r   r=      s    z_ConnectionBase.readablec                 C   s   | j S )z"True if the connection is writable)r:   rB   r   r   r   r>      s    z_ConnectionBase.writablec                 C   s   |    | jS )z+File descriptor or handle of the connection)rE   r8   rB   r   r   r   fileno   s    z_ConnectionBase.filenoc                 C   s*   | j dur&z|   W d| _ nd| _ 0 dS )zClose the connectionNr@   rB   r   r   r   rH      s    

z_ConnectionBase.closer   c                 C   s   |    |   t|}|jdkr.tt|}t|}|dk rFtd||k rVtd|du rh|| }n&|dk rztdn|| |krtd| ||||   dS )z,Send the bytes data from a bytes-like objectr   r   zoffset is negativezbuffer length < offsetNzsize is negativezbuffer length < offset + size)rE   rG   
memoryviewitemsizebyteslenr&   _send_bytes)r;   bufoffsetsizemnr   r   r   
send_bytes   s"    


z_ConnectionBase.send_bytesc                 C   s$   |    |   | t| dS )zSend a (picklable) objectN)rE   rG   rQ   _ForkingPicklerdumpsr;   objr   r   r   send   s    z_ConnectionBase.sendc                 C   sJ   |    |   |dur(|dk r(td| |}|du rB|   | S )z7
        Receive bytes data as a bytes object.
        Nr   znegative maxlength)rE   rF   r&   _recv_bytesrI   getvalue)r;   Z	maxlengthrR   r   r   r   
recv_bytes   s    
z_ConnectionBase.recv_bytesc                 C   s   |    |   t|}|j}|t| }|dk r>tdn||krNtd|  }| }||| k rvt|	 |
d |||| || |   |W  d   S 1 s0    Y  dS )zq
        Receive bytes data into a writeable bytes-like object.
        Return the number of bytes read.
        r   znegative offsetzoffset too largeN)rE   rF   rM   rN   rP   r&   r]   tellr	   r^   seekreadinto)r;   rR   rS   rU   rN   ZbytesizeresultrT   r   r   r   recv_bytes_into   s$    



z_ConnectionBase.recv_bytes_intoc                 C   s&   |    |   |  }t| S )zReceive a (picklable) object)rE   rF   r]   rX   loads	getbuffer)r;   rR   r   r   r   recv   s    z_ConnectionBase.recv        c                 C   s   |    |   | |S )z/Whether there is any input available to be read)rE   rF   _pollr;   r   r   r   r   poll  s    z_ConnectionBase.pollc                 C   s   | S r   r   rB   r   r   r   	__enter__  s    z_ConnectionBase.__enter__c                 C   s   |    d S r   rH   r;   exc_type	exc_valueZexc_tbr   r   r   __exit__  s    z_ConnectionBase.__exit__)TT)r   N)N)r   )rh   )__name__
__module____qualname__r8   r?   rC   rE   rF   rG   rI   propertyrK   r=   r>   rL   rH   rW   r\   r_   rd   rg   rk   rl   rq   r   r   r   r   r6   w   s.   







r6   c                   @   sD   e Zd ZdZdZejfddZdd Zddd	Z	d
d Z
dd ZdS )PipeConnectionz
        Connection class based on a Windows named pipe.
        Overlapped I/O is used, so the handles must have been created
        with FILE_FLAG_OVERLAPPED.
        Fc                 C   s   || j  d S r   rJ   )r;   Z_CloseHandler   r   r   rA     s    zPipeConnection._closec              	   C   s   t j| j|dd\}}zVz,|t jkrBt |jgdt}|tksBJ W n   |   Y n0 W |	d\}}n|	d\}}0 |dksJ |t
|ksJ d S )NT
overlappedFr   )_winapiZ	WriteFiler8   ERROR_IO_PENDINGWaitForMultipleObjectseventr   r   cancelGetOverlappedResultrP   )r;   rR   overrwaitresZnwrittenr   r   r   rQ     s    


 zPipeConnection._send_bytesNc           	   
   C   s  | j rd| _ t S |d u r dnt|d}ztj| j|dd\}}zz,|tjkrpt|j	gdt
}|tkspJ W n   |   Y n0 W |d\}}|dkrt }||  |W S |tjkr| ||W S nh|d\}}|dkrt }||  |     Y W S |tjkr>| ||     Y W S 0 W n< ty~ } z"|jtjkrhtn W Y d }~n
d }~0 0 tdd S )NF   Trw   r   z.shouldn't get here; expected KeyboardInterrupt)_got_empty_messageioBytesIOminry   ReadFiler8   rz   r{   r|   r   r   r}   r~   writerf   ZERROR_MORE_DATA_get_more_datarD   winerrorERROR_BROKEN_PIPEEOFErrorRuntimeError)	r;   maxsizeZbsizer   r   r   Znreadfer   r   r   r]   +  sH    






 zPipeConnection._recv_bytesc                 C   s.   | j st| jd dkrdS tt| g|S )Nr   T)r   ry   PeekNamedPiper8   boolr   rj   r   r   r   ri   K  s
    zPipeConnection._pollc                 C   s   |  }t }|| t| jd }|dks6J |d urVt|| |krV|   tj	| j|dd\}}|
d\}}|dksJ ||ksJ ||   |S )Nr   r   Trw   )rf   r   r   r   ry   r   r8   rP   rI   r   r~   )r;   r   r   rR   r   leftr   Zrbytesr   r   r   r   Q  s    
zPipeConnection._get_more_data)N)rr   rs   rt   __doc__r   ry   CloseHandlerA   rQ   r]   ri   r   r   r   r   r   rv     s   
 rv   c                   @   s|   e Zd ZdZer,ejfddZejZ	ej
ZnejfddZejZ	ejZe	fddZefddZd	d
 ZdddZdd ZdS )
Connectionzo
    Connection class based on an arbitrary file descriptor (Unix only), or
    a socket handle (Windows).
    c                 C   s   || j  d S r   rJ   r;   rA   r   r   r   rA   h  s    zConnection._closec                 C   s   || j  d S r   rJ   r   r   r   r   rA   m  s    c                 C   s8   t |}|| j|}||8 }|dkr&q4||d  }qd S Nr   )rP   r8   )r;   rR   r   	remainingrV   r   r   r   _sendr  s    zConnection._sendc                 C   sb   t  }| j}|}|dkr^|||}t|}|dkrJ||krBtntd|| ||8 }q|S )Nr   zgot end of file during message)r   r   r8   rP   r   rD   r   )r;   rT   readrR   r<   r   chunkrV   r   r   r   _recv{  s    


zConnection._recvc                 C   s   t |}|dkrHtdd}td|}| | | | | | n8td|}|dkrr| | | | n| ||  d S )Ni!i!Qi @  )rP   structZpackr   )r;   rR   rV   Z
pre_headerheaderr   r   r   rQ     s    


zConnection._send_bytesNc                 C   s^   |  d}td| \}|dkr@|  d}td| \}|d urT||krTd S |  |S )N   r   r      r   )r   r   Zunpackr^   )r;   r   rR   rT   r   r   r   r]     s    

zConnection._recv_bytesc                 C   s   t | g|}t|S r   )r   r   )r;   r   rr   r   r   ri     s    zConnection._poll)N)rr   rs   rt   r   ry   _multiprocessingZclosesocketrA   r\   Z_writerg   Z_readr!   rH   r   r   r   r   rQ   r]   ri   r   r   r   r   r   a  s   	

r   c                   @   sR   e Zd ZdZdddZdd Zdd	 Zed
d Zedd Z	dd Z
dd ZdS )r   z
    Returns a listener object.

    This is a wrapper for a bound socket which is 'listening' for
    connections, or for a Windows named pipe.
    Nr   c                 C   sp   |p|rt |pt}|pt|}t| |dkr>t||| _nt|||| _|d urft|tsft	d|| _
d S )Nr   authkey should be a byte string)r5   default_familyr)   r.   PipeListener	_listenerSocketListener
isinstancerO   	TypeError_authkey)r;   r4   r(   backlogauthkeyr   r   r   r?     s    zListener.__init__c                 C   s>   | j du rtd| j  }| jr:t|| j t|| j |S )zz
        Accept a connection on the bound socket or named pipe of `self`.

        Returns a `Connection` object.
        Nzlistener is closed)r   rD   acceptr   deliver_challengeanswer_challenge)r;   cr   r   r   r     s    

zListener.acceptc                 C   s    | j }|durd| _ |  dS )zA
        Close the bound socket or named pipe of `self`.
        N)r   rH   )r;   Zlistenerr   r   r   rH     s    zListener.closec                 C   s   | j jS r   )r   _addressrB   r   r   r   r4     s    zListener.addressc                 C   s   | j jS r   )r   _last_acceptedrB   r   r   r   last_accepted  s    zListener.last_acceptedc                 C   s   | S r   r   rB   r   r   r   rl     s    zListener.__enter__c                 C   s   |    d S r   rm   rn   r   r   r   rq     s    zListener.__exit__)NNr   N)rr   rs   rt   r   r?   r   rH   ru   r4   r   rl   rq   r   r   r   r   r     s   
	

r   c                 C   sh   |p
t | }t| |dkr&t| }nt| }|durHt|tsHtd|durdt|| t|| |S )z=
    Returns a connection to the address of a `Listener`
    r   Nr   )	r5   r.   
PipeClientSocketClientr   rO   r   r   r   )r4   r(   r   r   r   r   r   r     s    


r   Tc                 C   sj   | r>t  \}}|d |d t| }t| }n$t \}}t|dd}t|dd}||fS )L
        Returns pair of connection objects at either end of a pipe
        TFr>   r=   )r-   Z
socketpairsetblockingr   detachr!   pipe)duplexs1s2c1c2Zfd1Zfd2r   r   r   r   	  s    

r   c              
   C   s   t d}| r*tj}tjtjB }tt }}ntj}tj}dt }}t||tjB tj	B tj
tjB tjB d||tjtj}t||dtjtjtjtj}t|tjdd tj|dd}|d\}	}
|
dksJ t|| d}t|| d}||fS )	r   r   r   r   NTrw   r   r   )r)   ry   PIPE_ACCESS_DUPLEXGENERIC_READGENERIC_WRITEBUFSIZEZPIPE_ACCESS_INBOUNDCreateNamedPipeFILE_FLAG_OVERLAPPEDFILE_FLAG_FIRST_PIPE_INSTANCEPIPE_TYPE_MESSAGEPIPE_READMODE_MESSAGE	PIPE_WAITNMPWAIT_WAIT_FOREVERNULL
CreateFileOPEN_EXISTINGSetNamedPipeHandleStateConnectNamedPiper~   rv   )r   r4   ZopenmodeaccessZobsizeZibsizeZh1Zh2rx   _r   r   r   r   r   r   r     s>    



	
c                   @   s*   e Zd ZdZd
ddZdd Zdd Zd	S )r   zO
    Representation of a socket which is bound to an address and listening
    r   c                 C   s   t  tt || _zRtjdkr2| jt jt jd | jd | j	| | j
| | j | _W n ty   | j   Y n0 || _d | _|dkrt|stj| tj|fdd| _nd | _d S )Nposixr   Tr   r   argsZexitpriority)r-   getattr_socketr!   nameZ
setsockoptZ
SOL_SOCKETZSO_REUSEADDRr   ZbindZlistenZgetsocknamer   rD   rH   Z_familyr   r   r3   Finalizeunlink_unlink)r;   r4   r(   r   r   r   r   r?   L  s(    



zSocketListener.__init__c                 C   s&   | j  \}| _|d t| S )NT)r   r   r   r   r   r   r;   sr   r   r   r   e  s    
zSocketListener.acceptc                 C   sJ   z(| j   W | j}|d urFd | _|  n| j}|d urDd | _|  0 d S r   )r   rH   r   )r;   r   r   r   r   rH   j  s    zSocketListener.closeN)r   )rr   rs   rt   r   r?   r   rH   r   r   r   r   r   H  s   
r   c                 C   s\   t | }ttt|0}|d ||  t| W  d   S 1 sN0    Y  dS )zO
    Return a connection object connected to the socket given by `address`
    TN)r5   r-   r   r   Zconnectr   r   )r4   r(   r   r   r   r   r   t  s
    

r   c                   @   s8   e Zd ZdZdddZdddZdd	 Zed
d ZdS )r   z0
        Representation of a named pipe
        Nc                 C   sL   || _ | jddg| _d | _td| j  tj| tj| j| j fdd| _	d S )NT)firstz listener created with address=%rr   r   )
r   _new_handle_handle_queuer   r   	sub_debugr   r   _finalize_pipe_listenerrH   )r;   r4   r   r   r   r   r?     s    zPipeListener.__init__Fc              
   C   sH   t jt jB }|r|t jO }t | j|t jt jB t jB t j	t
t
t jt jS r   )ry   r   r   r   r   r   r   r   r   ZPIPE_UNLIMITED_INSTANCESr   r   r   )r;   r   flagsr   r   r   r     s    

zPipeListener._new_handlec              
   C   s   | j |   | j d}ztj|dd}W n2 ty` } z|jtjkrL W Y d }~n~d }~0 0 zVzt	|j
gdt}W n    |  t|  Y n0 W |d\}}|dksJ n|d\}}|dksJ 0 t|S )Nr   Trw   F)r   appendr   popry   r   rD   r   ZERROR_NO_DATAr{   r|   r   r}   r   r~   rv   )r;   r<   r   r   resr   r   r   r   r   r     s(    


zPipeListener.acceptc                 C   s$   t d| | D ]}t| qd S )Nz closing listener with address=%r)r   r   ry   r   )Zqueuer4   r<   r   r   r   r     s    z$PipeListener._finalize_pipe_listener)N)F)	rr   rs   rt   r   r?   r   r   staticmethodr   r   r   r   r   r     s   

r   c              
   C   s   t  }z6t| d t| tjtjB dtjtjtjtj}W q t	y| } z(|j
tjtjfvsft|rh W Y d}~qd}~0 0 qq t|tjdd t|S )zU
        Return a connection object connected to the pipe given by `address`
          r   N)r   ry   ZWaitNamedPiper   r   r   r   r   r   rD   r   ZERROR_SEM_TIMEOUTZERROR_PIPE_BUSYr   r   r   rv   )r4   r   hr   r   r   r   r     s*    

r      s   #CHALLENGE#s	   #WELCOME#s	   #FAILURE#c                 C   s   dd l }t|ts$tdt|tt}| 	t
|  |||d }| d}||krl| 	t n| 	t tdd S )Nr    Authkey must be bytes, not {0!s}md5   zdigest received was wrong)hmacr   rO   r&   formatr/   r!   urandomMESSAGE_LENGTHrW   	CHALLENGEnewdigestr_   WELCOMEFAILUREr   Z
connectionr   r   messager   Zresponser   r   r   r     s    



r   c                 C   s   dd l }t|ts$tdt|| d}|d tt tksNJ d| |ttd  }|	||d
 }| | | d}|tkrtdd S )Nr   r   r   zmessage = %rr   zdigest sent was rejected)r   r   rO   r&   r   r/   r_   rP   r   r   r   rW   r   r   r   r   r   r   r     s    

 

r   c                   @   s$   e Zd Zdd Zdd Zdd ZdS )ConnectionWrapperc                 C   s6   || _ || _|| _dD ]}t||}t| || qd S )N)rL   rH   rk   r_   rW   )_conn_dumps_loadsr   setattr)r;   connrY   re   attrr[   r   r   r   r?     s    
zConnectionWrapper.__init__c                 C   s   |  |}| j| d S r   )r   r   rW   )r;   r[   r   r   r   r   r\   
  s    
zConnectionWrapper.sendc                 C   s   | j  }| |S r   )r   r_   r   r   r   r   r   rg     s    
zConnectionWrapper.recvN)rr   rs   rt   r?   r\   rg   r   r   r   r   r     s   r   c                 C   s   t | fd d d ddS )Nr   utf-8)	xmlrpclibrY   encode)r[   r   r   r   
_xml_dumps  s    r  c                 C   s   t | d\\}}|S )Nr  )r  re   decode)r   r[   methodr   r   r   
_xml_loads  s    r
  c                   @   s   e Zd Zdd ZdS )XmlListenerc                 C   s"   dd l ma t| }t|ttS r   )xmlrpc.clientclientr  r   r   r   r  r
  rZ   r   r   r   r     s    
zXmlListener.acceptN)rr   rs   rt   r   r   r   r   r   r    s   r  c                  O   s"   dd l ma tt| i |ttS r   )r  r  r  r   r   r  r
  )r   kwdsr   r   r   	XmlClient  s    r  c                 C   s   t | }g }|rt|d|}|tkr*qn\t|  krFtt| k rTn n
|t8 }n2t|  krptt| k r~n n
|t8 }ntd|||  ||d d  }d}q|S )NFzShould not get herer   r   )	listry   r{   r   r   rP   r   r   r   )Zhandlesr   Lreadyr   r   r   r   _exhaustive_wait*  s     
 
r  c           
         s
  |du rt }n|dk rd}nt|d d }t| } i g }t  t }z| D ](}zt|d}W n ty   || < Y qP0 zt| dd\}}W n: t	y } z"d|j
 }}|tvr W Y d}~n
d}~0 0 |tjkr|| ||j< qP|rlt dd dkrlz|d	\}	}W n, t	yR } z|j
}W Y d}~n
d}~0 0 |slt|d
rld|_ | d}qPt |}W |D ]}|  q|D ]}z|d\}	}W n8 t	y } z|j
}|tvrނ W Y d}~n
d}~0 0 |tjkr|j } | |dkrt|d
rd|_qn|D ]}|  q:|D ]}z|d\}	}W n8 t	y } z|j
}|tvr W Y d}~n
d}~0 0 |tjkrN|j } | |dkrNt|d
rNd|_qN0  fdd|D   fdd| D S )
        Wait till an object in object_list is ready/readable.

        Returns list of those objects in object_list which are ready/readable.
        Nr   r   g      ?rL   T   )   r  Fr   c                 3   s   | ]} | V  qd S r   r   ).0r   )waithandle_to_objr   r   	<genexpr>      zwait.<locals>.<genexpr>c                    s   g | ]}| v r|qS r   r   )r  o)ready_objectsr   r   
<listcomp>  r  wait.<locals>.<listcomp>)r   intr  setr   AttributeErrorr7   ry   r   rD   r   _ready_errorsrz   r   r|   r*   Zgetwindowsversionr~   r,   r   addr  keysr}   ZERROR_OPERATION_ABORTEDupdate)
object_listr   Zov_listZready_handlesr  rL   r   r   r   r   r   )r  r  r   r   @  s    











r   PollSelectorc                 C   s   t  }| D ]}||tj q|dur4t | }||}|r^dd |D W  d   S |dur4|t  }|dk r4|W  d   S q4W d   n1 s0    Y  dS )r  Nc                 S   s   g | ]\}}|j qS r   )Zfileobj)r  keyZeventsr   r   r   r    r  r  r   )_WaitSelectorregister	selectorsZ
EVENT_READr   r   Zselect)r&  r   Zselectorr[   Zdeadliner  r   r   r   r     s    
c                 C   sf   |   }t|tjtj8}ddlm} ||}t|| j	| j
ffW  d    S 1 sX0    Y  d S )Nr   )resource_sharer)rL   r-   Zfromfdr   ZSOCK_STREAMr    r,  Z	DupSocketrebuild_connectionr=   r>   )r  r<   r   r,  dsr   r   r   reduce_connection  s
    
r/  c                 C   s   |   }t|  ||S r   r   r   )r.  r=   r>   Zsockr   r   r   r-    s    r-  c                 C   sB   | j rtjnd| jrtjndB }t|  |}t|| j | jffS r   )	r=   ry   ZFILE_GENERIC_READr>   ZFILE_GENERIC_WRITEr
   Z	DupHandlerL   rebuild_pipe_connection)r  r   dhr   r   r   reduce_pipe_connection  s
    r3  c                 C   s   |   }t|||S r   )r   rv   )r2  r=   r>   r<   r   r   r   r1    s    r1  c                 C   s    t |  }t|| j| jffS r   )r
   ZDupFdrL   r-  r=   r>   )r  dfr   r   r   r/    s    c                 C   s   |   }t|||S r   r0  )r4  r=   r>   fdr   r   r   r-    s    )NN)T)T)N)N)I__all__r   r!   r*   r-   r   r   r%   	itertoolsr   r    r   r   r	   contextr
   ZForkingPicklerrX   ry   r   r   r   r   ImportErrorr+   r   ZCONNECTION_TIMEOUTcountr$   r   Zfamiliesr,   r   r   r)   r.   r5   r6   rv   r   objectr   r   r   r   r   r   r   r   r   r   r   r   r   r   r  r
  r  r  r  r   ZERROR_NETNAME_DELETEDr"  r   r+  r'  r)  ZSelectSelectorr/  r-  r*  r3  r1  r   r   r   r   <module>
   s   




 PT=

,,8	P
