o rPf_7@sddlZddlZddlmZddlmZddlmZddlm Z m Z m Z ddl m Z mZmZmZddlmZGdd d e ZGd d d e ZGd d d e ZGdddee ZGdddZGddde ZGdddeZdS)N)Optional)Redis)SentinelCommands) ConnectionConnectionPool SSLConnection)ConnectionError ReadOnlyError ResponseError TimeoutError) str_if_bytesc@ eZdZdS)MasterNotFoundErrorN__name__ __module__ __qualname__rrO/var/www/html/humari/django-venv/lib/python3.10/site-packages/redis/sentinel.pyr rc@r )SlaveNotFoundErrorNrrrrrrrrcsjeZdZfddZddZfddZddZd d Z dd d d d ee dee ffddZ Z S)SentinelManagedConnectionc s"|d|_tjdi|dS)Nconnection_poolr)poprsuper__init__)selfkwargs __class__rrrs z"SentinelManagedConnection.__init__cCsD|j}t|jd|jd}|jr d|jd|j}||}|S)N z,host=z,port=)rtyper service_namehostport)rpools host_inforrr__repr__s z"SentinelManagedConnection.__repr__csH|\|_|_t|jjr |dt|dkr"t ddSdS)NPINGPONGz PING failed) r#r$rconnectrcheck_connection send_commandr read_responser)raddressrrr connect_to!s   z$SentinelManagedConnection.connect_toc Cs\|jrdS|jjr||jdS|jD]}z||WSty+YqwtN)_sockr is_masterr0get_master_address rotate_slavesrr)rslaverrr_connect_retry)s z(SentinelManagedConnection._connect_retrycCs|j|jddS)NcSsdSr1r)errorrrr7sz3SentinelManagedConnection.connect..)retrycall_with_retryr7rrrrr+6sz!SentinelManagedConnection.connectF)disconnect_on_error push_requestr=r>cs>z tj|||dWSty|jjr|tdw)N)disable_decodingr=r>z"The previous master is now a slave)rr.r rr3 disconnectr)rr?r=r>rrrr.9s z'SentinelManagedConnection.read_response)F) rrrrr(r0r7r+rboolr. __classcell__rrrrrs   rc@r )SentinelManagedSSLConnectionNrrrrrrCRrrCc@s,eZdZddZddZddZddZd S) SentinelConnectionPoolProxycCs0t||_||_||_||_||_|dSr1)weakrefrefconnection_pool_refr3r,r"sentinel_managerreset)rrr3r,r"rHrrrrWs  z$SentinelConnectionPoolProxy.__init__cCsd|_d|_dSr1)master_addressslave_rr_counterr<rrrrIfs z!SentinelConnectionPoolProxy.resetcCsD|j|j}|jr |j|kr ||_|}|dur |jdd|S)NF)inuse_connections)rHdiscover_masterr"r3rJrGr@)rrJrrrrr4js z.SentinelConnectionPoolProxy.get_master_addressccs|j|j}|r5|jdurtdt|d|_tt|D]}|jdt||_||j}|Vq z|VWn t yEYnwt d|j)NrzNo slave found for ) rHdiscover_slavesr"rKrandomrandintlenranger4rr)rslaves_r6rrrr5us   z)SentinelConnectionPoolProxy.rotate_slavesN)rrrrrIr4r5rrrrrDVs  rDcs\eZdZdZfddZddZfddZedd Zfd d Z d d Z ddZ Z S)SentinelConnectionPoolz Sentinel backed connection pool. If ``check_connection`` flag is set to True, SentinelManagedConnection sends a PING command right after establishing the connection. c s|d|ddr tnt|d<|dd|_|dd|_t||j|j||d|_tj d i||j|j d<||_ ||_ dS) Nconnection_classsslFr3Tr,)rr3r,r"rHrr) getrrCrr3r,rDproxyrrconnection_kwargsr"rH)rr"rHrrrrrs&   zSentinelConnectionPool.__init__cCs,|jrdnd}t|jd|jd|dS)Nmasterr6r ())r3r!rr")rrolerrrr(szSentinelConnectionPool.__repr__cst|jdSr1)rrIrZr<rrrrIs zSentinelConnectionPool.resetcCs|jjSr1)rZrJr<rrrrJsz%SentinelConnectionPool.master_addresscs4|j p|jo|j|j|jfk}t}|o||Sr1)r3rJr#r$rowns_connection)r connectioncheckparentrrrr`s z&SentinelConnectionPool.owns_connectioncC |jSr1)rZr4r<rrrr4s z)SentinelConnectionPool.get_master_addresscCrd)zRound-robin slave balancer)rZr5r<rrrr5s z$SentinelConnectionPool.rotate_slaves) rrr__doc__rr(rIpropertyrJr`r4r5rBrrrrrVs    rVc@sjeZdZdZ  dddZddZdd Zd d Zd d ZddZ ddZ e e fddZ e e fddZdS)Sentinelar Redis Sentinel cluster client >>> from redis.sentinel import Sentinel >>> sentinel = Sentinel([('localhost', 26379)], socket_timeout=0.1) >>> master = sentinel.master_for('mymaster', socket_timeout=0.1) >>> master.set('foo', 'bar') >>> slave = sentinel.slave_for('mymaster', socket_timeout=0.1) >>> slave.get('foo') b'bar' ``sentinels`` is a list of sentinel nodes. Each node is represented by a pair (hostname, port). ``min_other_sentinels`` defined a minimum number of peers for a sentinel. When querying a sentinel, if it doesn't meet this threshold, responses from that sentinel won't be considered valid. ``sentinel_kwargs`` is a dictionary of connection arguments used when connecting to sentinel instances. Any argument that can be passed to a normal Redis connection can be specified here. If ``sentinel_kwargs`` is not specified, any socket_timeout and socket_keepalive options specified in ``connection_kwargs`` will be used. ``connection_kwargs`` are keyword arguments that will be used when establishing a connection to a Redis server. rNc sD|dur dd|D}|_fdd|D_|_|_dS)NcSs i|] \}}|dr||qS)socket_) startswith).0kvrrr s z%Sentinel.__init__..cs$g|]\}}t||fijqSr)rsentinel_kwargs)rjhostnamer$r<rr sz%Sentinel.__init__..)itemsrn sentinelsmin_other_sentinelsr[)rrrrsrnr[rr<rrs   zSentinel.__init__cOsft|dd}d|vr|d|r#t|jj|i|dS|jD] }|j|i|q&dS)z Execute Sentinel command in sentinel nodes. once - If set to True, then execute the resulting command on a single node at random, rather than across the entire sentinel cluster. onceFT)rArYkeysrrPchoicerrexecute_command)rargsrrtsentinelrrrrws   zSentinel.execute_commandcCs@g}|jD] }|d|jjqt|jdd|dS)Nz {host}:{port}z )rrappend format_maprr[r!rjoin)rsentinel_addressesryrrrr(s   zSentinel.__repr__cCs2|dr |ds |drdS|d|jkrdSdS)Nr3is_sdownis_odownFznum-other-sentinelsT)rs)rstater"rrrcheck_master_state s zSentinel.check_master_statec Cst}t|jD]N\}}z|}Wnttfy0}z||d|WYd}~qd}~ww||}|rV|||rV||jd|jd<|j|<|d|dfSqd}t |dkrgdd |}t d ||) z Asks sentinel servers for the Redis master's address corresponding to the service labeled ``service_name``. Returns a pair (address, port) or raises MasterNotFoundError if no master is found. z - Nripr$z : z, zNo master found for ) list enumeraterrsentinel_mastersrr r{rYrrRr}r) rr"collected_errors sentinel_norymasterser error_inforrrrMs(    zSentinel.discover_mastercCs:g}|D]}|ds|drq||d|dfq|S)z1Remove slaves that are in an ODOWN or SDOWN staterrrr$)r{)rrT slaves_aliver6rrr filter_slaves/s zSentinel.filter_slavesc CsN|jD]!}z||}Wn tttfyYqw||}|r$|SqgS)z;Returns a list of alive slaves for service ``service_name``)rrsentinel_slavesrr r r)rr"ryrTrrrrO8s  zSentinel.discover_slavescK4d|d<t|j}||||||fi|S)a Returns a redis client instance for the ``service_name`` master. A :py:class:`~redis.sentinel.SentinelConnectionPool` class is used to retrieve the master's address before establishing a new connection. NOTE: If the master's address has changed, any cached connections to the old master are closed. By default clients will be a :py:class:`~redis.Redis` instance. Specify a different class to the ``redis_class`` argument if you desire something different. The ``connection_pool_class`` specifies the connection pool to use. The :py:class:`~redis.sentinel.SentinelConnectionPool` will be used by default. All other keyword arguments are merged with any connection_kwargs passed to this class and passed to the connection pool as keyword arguments to be used to initialize Redis connections. Tr3dictr[update from_poolrr" redis_classconnection_pool_classrr[rrr master_forDs   zSentinel.master_forcKr)a Returns redis client instance for the ``service_name`` slave(s). A SentinelConnectionPool class is used to retrieve the slave's address before establishing a new connection. By default clients will be a :py:class:`~redis.Redis` instance. Specify a different class to the ``redis_class`` argument if you desire something different. The ``connection_pool_class`` specifies the connection pool to use. The SentinelConnectionPool will be used by default. All other keyword arguments are merged with any connection_kwargs passed to this class and passed to the connection pool as keyword arguments to be used to initialize Redis connections. Fr3rrrrr slave_forhs   zSentinel.slave_for)rN)rrrrerrwr(rrMrrOrrVrrrrrrrgs"   'rg)rPrEtypingr redis.clientrredis.commandsrredis.connectionrrrredis.exceptionsrr r r redis.utilsr rrrrCrDrVrgrrrrs    >08