U
    g3                     @   s,  d dl Z d dlmZ d dlmZmZmZ d dlmZm	Z	m
Z
 e jjdkrbe jjdkrbd dlmZ nd dlmZ dd	lmZmZmZmZmZmZmZmZmZmZmZmZ dd
lmZ ddlmZ ddl m!Z!m"Z" dZ#dZ$dZ%dZ&eedZ'G dd deZ(G dd de(Z)G dd de(Z*G dd de*Z+dS )    N)ABC)IncompleteReadErrorStreamReaderTimeoutError)ListOptionalUnion      )timeout   )AuthenticationError$AuthenticationWrongNumberOfArgsErrorBusyLoadingErrorConnectionErrorExecAbortErrorModuleErrorNoPermissionErrorNoScriptErrorOutOfMemoryErrorReadOnlyError
RedisErrorResponseError)
EncodableT   )Encoder)SERVER_CLOSED_CONNECTION_ERRORSocketBufferz:Error loading the extension. Please check the server logs.z5Error unloading module: no such module with that namez/Error unloading module: operation not possible.z[Error unloading module: the module exports one or more module-side data types, can't unload)zxAUTH <password> called without any password configured for the default user. Are you sure your configuration is correct?z(Client sent AUTH, but no password is setc                   @   sd   e Zd Zdedededeeeeee	ee
eieeeeeeeeed	Zedd Zdd	 Zd
d ZdS )
BaseParserzmax number of clients reachedzinvalid passwordz,wrong number of arguments for 'auth' commandz,wrong number of arguments for 'AUTH' command)	ZERRZOOMZ	WRONGPASSZ	EXECABORTZLOADINGZNOSCRIPTZREADONLYZNOAUTHZNOPERMc                 C   s\   | dd }|| jkrT|t|d d }| j| }t|trL||t}||S t|S )zParse an error response r   r   N)splitEXCEPTION_CLASSESlen
isinstancedictgetr   )clsresponseZ
error_codeZexception_class r(   7/tmp/pip-unpacked-wheel-f3sx1i9r/redis/_parsers/base.pyparse_errorM   s    


zBaseParser.parse_errorc                 C   s
   t  d S NNotImplementedErrorselfr(   r(   r)   on_disconnectY   s    zBaseParser.on_disconnectc                 C   s
   t  d S r+   r,   r/   
connectionr(   r(   r)   
on_connect\   s    zBaseParser.on_connectN)__name__
__module____qualname__r   r   r   MODULE_LOAD_ERRORr   MODULE_EXPORTS_DATA_TYPES_ERRORNO_SUCH_MODULE_ERROR MODULE_UNLOAD_NOT_POSSIBLE_ERRORNO_AUTH_SET_ERRORr   r   r   r   r   r   r!   classmethodr*   r0   r3   r(   r(   r(   r)   r   0   s@         
r   c                   @   s8   e Zd ZdZdd Zdd Zdd Zdd	 Zd
d ZdS )	_RESPBasez&Base class for sync-based resp parsingc                 C   s   || _ d | _d | _d | _d S r+   )socket_read_sizeencoder_sock_bufferr/   r>   r(   r(   r)   __init__c   s    z_RESPBase.__init__c                 C   s&   z|    W n tk
r    Y nX d S r+   )r0   	Exceptionr.   r(   r(   r)   __del__i   s    z_RESPBase.__del__c                 C   s(   |j | _ t| j | j|j| _|j| _dS )zCalled when the socket connectsN)r@   r   r>   socket_timeoutrA   r?   r1   r(   r(   r)   r3   o   s      z_RESPBase.on_connectc                 C   s*   d| _ | jdk	r | j  d| _d| _dS )z"Called when the socket disconnectsN)r@   rA   closer?   r.   r(   r(   r)   r0   w   s
    

z_RESPBase.on_disconnectc                 C   s   | j o| j |S r+   )rA   can_read)r/   r   r(   r(   r)   rH      s    z_RESPBase.can_readN)	r4   r5   r6   __doc__rC   rE   r3   r0   rH   r(   r(   r(   r)   r=   `   s   r=   c                   @   sR   e Zd ZdZdZedddZedddZdee	e
ed
ee
 f dddZd
S )AsyncBaseParserz5Base parsing class for the python-backed async parser_stream
_read_sizer>   c                 C   s   d | _ || _d S r+   rK   rB   r(   r(   r)   rC      s    zAsyncBaseParser.__init__returnc                    s
   t  d S r+   r,   r.   r(   r(   r)   can_read_destructive   s    z$AsyncBaseParser.can_read_destructiveFN)disable_decodingrP   c                    s
   t  d S r+   r,   )r/   rR   r(   r(   r)   read_response   s    zAsyncBaseParser.read_response)F)r4   r5   r6   rI   	__slots__intrC   boolrQ   r   r   r   r   rS   r(   r(   r(   r)   rJ      s    rJ   c                       st   e Zd ZdZejd Zed fddZdd Zdd	 Z	d
d Z
edddZeedddZedddZ  ZS )_AsyncRESPBasez!Base class for async resp parsing)r?   rA   _pos_chunksrN   c                    s(   t  | d | _d| _g | _d| _d S )N    r   )superrC   r?   rA   rY   rX   rB   	__class__r(   r)   rC      s
    z_AsyncRESPBase.__init__c                 C   s   d| _ | j  d S )NrZ   )rA   rY   clearr.   r(   r(   r)   _clear   s    z_AsyncRESPBase._clearc                 C   s4   |j | _| jdkrtd|j| _|   d| _dS )zCalled when the stream connectsNBuffer is closed.T)Z_readerrL   r   r?   r_   
_connectedr1   r(   r(   r)   r3      s    
z_AsyncRESPBase.on_connectc                 C   s
   d| _ dS )z"Called when the stream disconnectsFN)ra   r.   r(   r(   r)   r0      s    z_AsyncRESPBase.on_disconnectrO   c                    st   | j std| jrdS z@td4 I d H   | j W  5 Q I d H R  W S Q I d H R X W n tk
rn   Y dS X d S )Nr`   Tr   F)ra   r   rA   async_timeoutrL   Zat_eofr   r.   r(   r(   r)   rQ      s    .z#_AsyncRESPBase.can_read_destructive)lengthrP   c              
      s   |d }| j | }t| j|kr6| j| j |d  }nx| j| j d }z| j|t| I dH }W n, tk
r } ztt|W 5 d}~X Y nX || dd }| j	| |  j |7  _ |S )z
        Read `length` bytes of data.  These are assumed to be followed
        by a '
' terminator which is subsequently discarded.
        r   N)
rX   r"   rA   rL   Zreadexactlyr   r   r   rY   append)r/   rc   Zwantendresulttaildataerrorr(   r(   r)   _read   s    
z_AsyncRESPBase._readc                    s   | j d| j}|dkr*| j | j| }nN| j | jd }| j I dH }|ds\tt|| dd }| j	| |  jt
|d 7  _|S )zq
        read an unknown number of bytes up to the next '
'
        line separator, which is discarded.
        s   
r   Nrd   r   )rA   findrX   rL   readlineendswithr   r   rY   re   r"   )r/   foundrg   rh   ri   r(   r(   r)   	_readline   s    
z_AsyncRESPBase._readline)r4   r5   r6   rI   rJ   rT   rU   rC   r_   r3   r0   rV   rQ   bytesrk   rp   __classcell__r(   r(   r\   r)   rW      s   
	rW   ),sysabcr   Zasyncior   r   r   typingr   r   r   version_infomajorminorr   rb   
exceptionsr   r   r   r   r   r   r   r   r   r   r   r   r   encodersr   socketr   r   r7   r9   r:   r8   r;   r   r=   rJ   rW   r(   r(   r(   r)   <module>   s,   8

0#