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* version 3.3.4, more specifically identify nonblocking read errors3.3.4Andy McCurdy2019-07-301-1/+2
| | | | | | | versions 3.3.1, 3.3.2 and 3.3.3 could potentially hide ConnectionErrors on Python 2.7. This change accurately identifies errors by both exception class and errno to determine whether a nonblocking socket can be read
* version 3.3.4, more specifically identify nonblocking read errorsAndy McCurdy2019-07-302-15/+18
| | | | | | | versions 3.3.1, 3.3.2 and 3.3.3 could potentially hide ConnectionErrors on Python 2.7. This change accurately identifies errors by both exception class and errno to determine whether a nonblocking socket can be read
* Version 3.3.3. Accomodate Python 2.7.x versions < 2.7.9.3.3.3Andy McCurdy2019-07-302-3/+3
| | | | | | | | The SSL module includes in Python versions < 2.7.9 does not include the SSLWantReadError or SSLWantWriteError exceptions. As such we can't assume they are present just because the ssl module happens to be installed. Fixes #1197
* Version 3.3.2, SSL Blocking Exceptions don't use errno.EWOULDBLOCK3.3.2Andy McCurdy2019-07-292-4/+5
| | | | Ref #1197
* version 3.3.1, fixed a regression involving SSL and non-blocking sockets3.3.1Andy McCurdy2019-07-292-9/+20
| | | | Fixes #1197
* version 3.3.0Andy McCurdy2019-07-281-1/+1
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* Pipelines shouldn't retry ConnectionErrors implicitlyAndy McCurdy2019-07-281-15/+24
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* Add an Event parameter to PubSubWorkerThread and run_in_thread so (#1195)Timothy Rule2019-07-281-5/+5
| | | | The PubSubWorkerThread now uses a `threading.Event` to control its life cycle.
* PING/PONG health checksAndy McCurdy2019-07-282-25/+89
| | | | | | | | | | | | | | | | | | | | | | The `Redis` class and the `ConnectionPool` class now support the "health_check_interval=N" option. By default N=0, which turns off health checks. `N` should be an integer, and when greater than 0, ensures that a health check is performed just before command execution anytime the underlying connection has been idle for more than N seconds. A health check is a full PING/PONG round trip to the Redis server. If a health check encounters a ConnectionError or TimeoutError, the connection is disconnected and reconnected and the health check is retried exactly once. Any error during the retry is raised to the caller. Health check retries are not governed by any other options such as `retry_on_timeout`. In systems where idle times are common, these health checks are the intended way to reconnect to the Redis server without harming any user data. When this option is enabled for PubSub connections, calling `get_message()` or `listen()` will send a health check anytime a message has not been read on the PubSub connection for `health_check_interval` seconds. Users should call `get_message()` or `listen()` at least every `health_check_interval` seconds in order to keep the connection open.
* Ability to create a client that uses a single connectionAndy McCurdy2019-07-231-10/+32
| | | | | | | | | | | | | This has multiple uses: * Single connection clients will not be considered threadsafe. This means certain settings could temporarily be adjusted. For example, a context manager could temporarily modify the encoding behavior for a set of commands. * We can introduce more thorough health checks that only happen when a connection is handed out from the connection pool. * Workloads that issue many commands to Redis should be slightly faster. Prior to this change, the client must retrieve a connection from the pool for each command.
* Handle removed claimed messages without an exceptionThomas Daskalakis2019-07-171-1/+7
| | | | Fixes #1191
* Use nonblocking sockets instead of selectors for healthy connectionsAndy McCurdy2019-07-094-248/+109
| | | | | | | This replaces the work in 3.2.0 to use nonblocking sockets instead of selectors. Selectors proved to be problematic for some environments including eventlet and gevent. Nonblocking sockets should be available in all environments.
* Add READONLY and READWRITE commandsTheo Despoudis2019-07-091-2/+10
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* All authentication-related errors now raise AuthenticationErrorAndy McCurdy2019-06-032-4/+7
| | | | | | | AuthenticationError is now a subclass of ConnectionError, which means the connection will be shut down and cleaned up. Fixes #923
* Pass encoding_errors setting to hiredis (>=1.0.0) (#1162)Brian Candler2019-05-291-0/+4
| | | | | Pass encoding_errors setting to hiredis (>=1.0.0). Fixes #1161
* case insensitive response callbacks.Andy McCurdy2019-05-281-1/+29
| | | | | | | this change allows users to call client.execute_command('info') or client.execute_command('INFO') and get the same parsed result. Fixes #1168
* remove Token class in favor of bytestringremove_tokenAndy McCurdy2019-05-282-125/+88
| | | | | | | The Token class was needed when supporting Python 2.6. Now that we've dropped support for 2.6, we don't need it anymore. Fixes #1066
* add tests for encoding issues and fix bugs foundAndy McCurdy2019-05-261-1/+1
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* monitor command now has full command text. test suite improvedAndy McCurdy2019-05-261-4/+8
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* Merge branch 'master' into monitorAndy McCurdy2019-05-261-2/+4
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| * Merge pull request #1152 from aachurin/masterAndy McCurdy2019-04-291-2/+4
| |\ | | | | | | Fix for https://github.com/andymccurdy/redis-py/issues/1135
| | * Update client.pyaachurin2019-03-161-2/+4
| | | | | | | | | Fix for https://github.com/andymccurdy/redis-py/issues/1135
* | | Merge branch 'pr/1033' into monitorAndy McCurdy2019-04-251-0/+49
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| * | Added support for the monitor command.Doug Kisabaka2019-02-251-0/+49
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* | | Fix PubSubWorkerThread race conditionAndy McCurdy2019-04-181-13/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Resolves a race condition found in the PubSubWorkerThread. Prior to this change is was possible to receive the server's resonse to an unsubscribe message prior to the channel/pattern being added to the pending_unsubscribe set. This also improves PubSubWorkerThread.stop so that the run function is stopped immediately after the next iteration. fixes #1150
* | | Merged the error process of "reading socket error" in two Parser class and ↵vic0202019-04-111-36/+31
| | | | | | | | | | | | | | | | | | | | | | | | added "host":"port" to Exception message for easy debug Change-Id: Ifaa3bef0c8daf3dd2c60b143746b75a26c182a88
* | | make sure the selector is instantiated prior to cleaning it upAndy McCurdy2019-03-181-2/+4
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* | | Close the selector on disconnectBruce Merry2019-03-181-0/+2
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* | | Unregister socket from ready_pollerBruce Merry2019-03-181-1/+1
| |/ |/| | | | | | | It looks like there was a typo in PollSelector.close that made it unregister from the read_poller twice instead of once from each poller.
* | 3.2.13.2.1Andy McCurdy2019-03-151-1/+1
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* | remove unneccessary checkpid from SentinelConnectionPoolsentinel_pool_fixAndy McCurdy2019-03-141-12/+0
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* actual 3.2.03.2.0Andy McCurdy2019-02-171-1/+1
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* test all selectors via pytest parameterizationhealty_connectionsAndy McCurdy2019-02-111-20/+29
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* python2 compatAndy McCurdy2019-02-041-1/+1
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* attempt to provide only healthy connections from the poolAndy McCurdy2019-02-043-16/+229
| | | | | | | | | | | | | | | | | | | | | | | | | | | Adds redis.selector, a module that provides the best selector strategy available on the current platform. A redis.selector polls a socket to provide two pieces of functionality: 1. Check whether data can be read from the socket. Prior versions of redis-py provided this behavior with just select.select(). select() has lots of limitations, most notably a limit of ~1024 file descriptors. Now that better selectors are available, this should make can_read() faster and able to accomodate more clients. See #1115 and #486 2. Check whether a socket is ready for a command to be sent. This doubles as a health check. It ensures that the socket is available for writing, has no data to read and has no known errors. Anytime a socket is disconnected or hung up, data is available to be read, typically zero bytes. ConnectionPool.get_connection has been modified to ensure that connections it returns are connected and are ready for a command to be sent. If get_connection encounters a case where a socket isn't ready for a command the connection is reconnected and checked again. TODO: more tests for this stuff. implement EPoll and KQueue selectors. Fixes #1115 Fixes #486
* Merge pull request #1129 from Chronial/feature/fix-exceptAndy McCurdy2019-02-011-4/+4
|\ | | | | Do not leave connections in invalid state
| * Do not leave connections in invalid stateChronial2019-01-301-4/+4
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* | Merge pull request #1130 from Junnplus/socket-patchAndy McCurdy2019-02-011-1/+1
|\ \ | | | | | | Use IPPROTO_TCP constant instead of SOL_TCP constant
| * | use IPPROTO_TCP constant instead of SOL_TCP constantjunnplus2019-01-311-1/+1
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* | readd the connection destructorAndy McCurdy2019-02-011-0/+6
| | | | | | | | | | | | Since Connection.disconnect() now verifies that the current process owns the connection before shutting the socket down we can safely readd the destructor just to make sure things are really cleaned up
* | Merge branch 'pythonparser'Andy McCurdy2019-01-311-11/+5
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| * | Improve how connection pools operate in forked/child proceeses.Andy McCurdy2019-01-311-8/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Sometimes a process with an active connection to Redis forks and creates child processes taht also want to talk to Redis. Prior to this change there were a number of potential conflicts that could cause this to fail. Retrieving a connection from the pool and releasing a connection back to the pool check the current proceeses PID. If it's different than the PID that created the pool, reset() is called to get a fresh set of connections for the current process. However in doing so, pool.disconnect() was caused which closes the file descriptors that the parent may still be using. Further when the available_connections and in_use_connections lists are reset, all of those connections inherited from the parent are GC'd and the connection's `__del__` was called, which also closed the socket and file descriptor. This change prevents pool.disconnect() from being called when a pid is changed. It also removes the `__del__` destructor from connections. Neither of these are necessary or practical. Child processes still reset() their copy of the pool when first accessed causing their own connections to be created. `ConnectionPool.disconnect()` now checks the current process ID so that a child or parent can't disconnect the other's connections. Additionally, `Connection.disconnect()` now checks the current process ID and only calls `socket.shutdown()` if `disconnect()` is called by the same process that created the connection. This allows for a child process that inherited a connection to call `Connection.disconnect()` and not shutdown the parent's copy of the socket. Fixes #863 Fixes #784 Fixes #732 Fixes #1085 Fixes #504
| * | Merge branch 'pr/1108' into pythonparserAndy McCurdy2019-01-281-3/+1
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| | * Make PythonParser's on_disconnect consistent withAlexey Popravka2019-01-031-3/+1
| | | | | | | | | | | | | | | Hiredisparser and Connection — do not close socket on disconnect. Resolves #1085
* | | 3.1.03.1.0Andy McCurdy2019-01-281-1/+1
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* | Connection URLs must have a valid scheme.Andy McCurdy2019-01-271-2/+6
| | | | | | | | | | Fixes #969 Fixes #961
* | Merge pull request #1023 from ycraaron/1022-fix-retry-logicAndy McCurdy2019-01-271-2/+4
|\ \ | | | | | | 1022: Fix retry logic for StricRedis and PubSub
| * | put not outside of the parenthesesAaron Yang2018-09-021-2/+2
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| * | fix retry for PubSubAaron Yang2018-08-231-1/+2
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| * | pep8Aaron Yang2018-08-231-1/+2
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