- Solve log problem in payload.
- Fix register type check for size bigger than 3 registers (6 bytes) (#1323)
- Re-add SQL tests. (#1329)
- Central logging. (#1324)
- Skip sqlAlchemy test. (#1325)
- Solve 1319 (#1320)
- Thanks to:
- duc996, jan iversen
- Update README.rst
- Correct README link. (#1316)
- More direct readme links for REPL (#1314)
- Add classifier for 3.11 (#1312)
- Update README.rst (#1313)
- Delete ModbusCommonBlock.png (#1311)
- Add modbus standard to README. (#1308)
- fix no auto reconnect after close/connect in TCPclient (#1298)
- Update examples.rst (#1307)
- var name clarification (#1304)
- Bump external libraries. (#1302)
- Reorganize documentation to make it easier accessible (#1299)
- Simulator documentation (first version). (#1296)
- Updated datastore Simulator. (#1255)
- Update links to pydmodbus-dev (#1291)
- Change riptideio to pymodbus-dev. (#1292)
- #1258 Avoid showing unit as a seperate command line argument (#1288)
- Solve docker cache problem. (#1287)
Thanks to:
Alex, Alexandre CUER, dhoomakethu, jan iversen, peufeu2
- add missing server.start() (#1282)
- small performance improvement on debug log (#1279)
- Fix Unix sockets parsing (#1281)
- client: Allow unix domain socket. (#1274)
- transfer timeout to protocol object. (#1275)
- Add ModbusUnixServer / StartAsyncUnixServer. (#1273)
- Added return in AsyncModbusSerialClient.connect (#1271)
- add connect() to the very first example (#1270)
- Solve docker problem. (#1268)
- Test stop of server task. (#1256)
Thanks to:
Alex, Alexandre CUER, Dries, jan iversen, peufeu2
- Add xdist pr default. (#1253)
- Create docker-publish.yml (#1250)
- Parallelize pytest with pytest-xdist (#1247)
- Support Python3.11 (#1246)
- Fix reconnectDelay to be within (100ms, 5min) (#1244)
- Fix typos in comments (#1233)
- WEB simulator, first version. (#1226)
- Clean async serial problem. (#1235)
- terminate when using 'randomize' and 'change_rate' at the same time (#1231)
- Used tooled python and OS (#1232)
- add 'change_rate' randomization option (#1229)
- add check_ci.sh (#1225)
- Simplify CI and use cache. (#1217)
- Solve issue 1210, update simulator (#1211)
- Add missing client calls in mixin.py. (#1206)
- Advanced simulator with cross memory. (#1195)
- AsyncModbusTcp/UdpClient honors delay_ms == 0 (#1203) (#1205)
- Fix #1188 and some pylint issues (#1189)
- Serial receive incomplete bytes.issue #1183 (#1185)
- Handle echo (#1186)
- Add updating server example. (#1176)
Thanks to:
Alex, banana-sun, Chris Hung, dhoomakethu, jan iversen, Matthias Straka, Pavel Kostromitinov,
- Add pygments as requirement for repl
- Update datastore remote to handle write requests (#1166)
- Allow multiple servers. (#1164)
- Fix typo. (#1162)
- Transfer parms. to connected client. (#1161)
- Repl enhancements 2 (#1141)
- Server simulator with datastore with json data. (#1157)
- Avoid unwanted reconnects (#1154)
- Do not initialize framer twice. (#1153)
- Allow timeout as float. (#1152)
- Improve Docker Support (#1145)
- Fix unreachable code in AsyncModbusTcpClient (#1151)
- Fix type hints for port and timeout (#1147)
- Start/stop multiple servers. (#1138)
- Server/asyncio.py correct logging when disconnecting the socket (#1135)
- Add Docker and container registry support (#1132)
- Removes undue reported error when forwarding (#1134)
- Obey timeout parameter on connection (#1131)
- Readme typos (#1129)
- Clean noqa directive. (#1125)
- Add isort and activate CI fail for black/isort. (#1124)
- Update examples. (#1117)
- Move logging configuration behind function call (#1120)
- serial2TCP forwarding example (#1116)
- Make serial import dynamic. (#1114)
- Bugfix ModbusSerialServer setup so handler is called correctly. (#1113)
- Clean configurations. (#1111)
Thanks to:
Alex, Alexandre CUER, Blaise Thompson, dhoomakethu, Gao Fang, jan Iversen, Joe Burmeister, Sebastian Machuca, Thijs W, WouterTuinstra
- Faulty release!
- Solve multiple incomming frames. (#1107)
- Up coverage, tests are 100%. (#1098)
- Prepare for rc1. (#1097)
- Prepare 3.0.0dev5 (#1095)
- Adapt serial tests. (#1094)
- Allow windows. (#1093)
- Remove server sync code and combine with async code. (#1092)
- Solve test of tls by adding certificates and remove bugs (#1080)
- Simplify server implementation. (#1071)
- Do not filter using unit id in the received response (#1076)
- Hex values for repl arguments (#1075)
- All parameters in class parameter. (#1070)
- Add len parameter to decode_bits. (#1062)
- New combined test for all types of clients. (#1061)
- Dev mixin client (#1056)
- Add/update client documentation, including docstrings etc. (#1055)
- Add unit to arguments (#1041)
- Add timeout to all pytest. (#1037)
- Simplify client parent classes. (#1018)
- Clean copyright statements, to ensure we follow FOSS rules. (#1014)
- Rectify sync/async client parameters. (#1013)
- Clean client directory structure for async. (#1010)
- Remove async_io, simplify AsyncModbus<x>Client. (#1009)
- remove init_<something>_client(). (#1008)
- Remove async factory. (#1001)
- Remove loop parameter from client/server (#999)
- add example async client. (#997)
- Change async ModbusSerialClient to framer= from method=. (#994)
- Add forwarder example with multiple slaves. (#992)
- Remove async get_factory. (#990)
- Remove unused ModbusAccessControl. (#989)
- Solve problem with remote datastore. (#988)
- Remove unused schedulers. (#976)
- Remove twisted (#972)
- Remove/Update tornado/twister tests. (#971)
- remove easy_install and ez_setup (#964)
- Fix mask write register (#961)
- Activate pytest-asyncio. (#949)
- Changed default framer for serial to be ModbusRtuFramer. (#948)
- Remove tornado. (#935)
- Pylint, check method parameter documentation. (#909)
- Add get_response_pdu_size to mask read/write. (#922)
- Minimum python version is 3.8. (#921)
- Ensure make doc fails on warnings and/or errors. (#920)
- Remove central makefile. (#916)
- Re-organize examples (#914)
- Documentation cleanup and clarification (#689)
- Update doc for repl. (#910)
- Include package and tests in coverage measurement (#912)
- Use response byte length if available (#880)
- better fix for rtu incomplete frames (#511)
- Remove twisted/tornado from doc. (#904)
- Update classifiers for pypi. (#907)
- Documentation updates
- PEP8 compatibale code
- More tooling and CI updates
- Remove python2 compatibility code (#564)
- Remove Python2 checks and Python2 code snippets
- Misc co-routines related fixes
- Fix CI for python3 and remove PyPI from CI
- Fix mask_write_register call. (#685)
- Add support for byte strings in the device information fields (#693)
- Catch socket going away. (#722)
- Misc typo errors (#718)
- Support python3.10
- Implement asyncio ModbusSerialServer
- ModbusTLS updates (tls handshake, default framer)
- Support broadcast messages with asyncio client
- Fix for lazy loading serial module with asyncio clients.
- Updated examples and tests
- Support python3.7 and above
- Support creating asyncio clients from with in coroutines.
- Fix retries on tcp client failing randomly.
- Fix Asyncio client timeout arg not being used.
- Treat exception codes as valid responses
- Fix examples (modbus_payload)
- Add missing identity argument to async ModbusSerialServer
- Add kwarg reset_socket to control closing of the socket on read failures (set to True by default).
- Add --reset-socket/--no-reset-socket to REPL client.
- Bug fix TCP Repl server.
- Support multiple UID's with REPL server.
- Support serial for URL (sync serial client)
- Bug fix/enhancements, close socket connections only on empty or invalid response
- Support response types stray and empty in repl server.
- Minor updates in asyncio server.
- Update reactive server to send stray response of given length.
- Transaction manager updates on retries for empty and invalid packets.
- Test fixes for asyncio client and transaction manager.
- Fix sync client and processing of incomplete frames with rtu framers
- Support synchronous diagnostic client (TCP)
- Server updates (REPL and async)
- Handle Memory leak in sync servers due to socketserver memory leak
- Minor fix in documentations
- Travis fix for Mac OSX
- Disable unnecessary deprecation warning while using async clients.
- Use Github actions for builds in favor of travis.
- Documentation updates
- Disable strict mode by default.
- Fix ReportSlaveIdRequest request
- Sparse datablock initialization updates.
- Support REPL for modbus server (only python3 and asyncio)
- Fix REPL client for write requests
- Fix examples * Asyncio server * Asynchronous server (with custom datablock) * Fix version info for servers
- Fix and enhancements to Tornado clients (seril and tcp)
- Fix and enhancements to Asyncio client and server
- Update Install instructions
- Synchronous client retry on empty and error enhancments
- Add new modbus state RETRYING
- Support runtime response manipulations for Servers
- Bug fixes with logging module in servers
- Asyncio modbus serial server support
- Support async moduls tls server/client
- Add local echo option
- Add exponential backoffs on retries.
- REPL - Support broadcasts.
- Fix framers using wrong unit address.
- Update documentation for serial_forwarder example
- Fix error with rtu client for local_echo
- Fix asyncio client not working with already running loop
- Fix passing serial arguments to async clients
- Support timeouts to break out of responspe await when server goes offline
- Misc updates and bugfixes.
- Support Modbus TLS (client / server)
- Distribute license with source
- BinaryPayloadDecoder/Encoder now supports float16 on python3.6 and above
- Fix asyncio UDP client/server
- Minor cosmetic updates
- Asyncio Server implementation (Python 3.7 and above only)
- Bug fix for DiagnosticStatusResponse when odd sized response is received
- Remove Pycrypto from dependencies and include cryptodome instead
- Remove SIX requirement pinned to exact version.
- Minor bug-fixes in documentations.
NOTE: Supports python 3.7, async client is now moved to pymodbus/client/asynchronous
from pymodbus.client.asynchronous import ModbusTcpClient
- Support Python 3.7
- Fix to task cancellations and CRC errors for async serial clients.
- Fix passing serial settings to asynchronous serial server.
- Fix AttributeError when setting interCharTimeout for serial clients.
- Provide an option to disable inter char timeouts with Modbus RTU.
- Add support to register custom requests in clients and server instances.
- Fix read timeout calculation in ModbusTCP.
- Fix SQLDbcontext always returning InvalidAddress error.
- Fix SQLDbcontext update failure
- Fix Binary payload example for endianess.
- Fix BinaryPayloadDecoder.to_coils and BinaryPayloadBuilder.fromCoils methods.
- Fix tornado async serial client TypeError while processing incoming packet.
- Fix erroneous CRC handling in Modbus RTU framer.
- Support broadcasting in Modbus Client and Servers (sync).
- Fix asyncio examples.
- Improved logging in Modbus Server .
- ReportSlaveIdRequest would fetch information from Device identity instead of hardcoded Pymodbus.
- Fix regression introduced in 2.2.0rc2 (Modbus sync client transaction failing)
- Minor update in factory.py, now server logs prints received request instead of only function code
# Now
# DEBUG:pymodbus.factory:Factory Request[ReadInputRegistersRequest: 4]
# Before
# DEBUG:pymodbus.factory:Factory Request[4]
- Fix Issues with Serial client where in partial data was read when the response size is unknown.
- Fix Infinite sleep loop in RTU Framer.
- Add pygments as extra requirement for repl.
- Add support to modify modbus client attributes via repl.
- Update modbus repl documentation.
- More verbose logs for repl.
- Fix unicode decoder error with BinaryPayloadDecoder in some platforms
- Avoid unnecessary import of deprecated modules with dependencies on twisted
Note This is a Major release and might affect your existing Async client implementation. Refer examples on how to use the latest async clients.
- Async client implementation based on Tornado, Twisted and asyncio with backward compatibility support for twisted client.
- Allow reusing existing[running] asyncio loop when creating async client based on asyncio.
- Allow reusing address for Modbus TCP sync server.
- Add support to install tornado as extra requirement while installing pymodbus.
- Support Pymodbus REPL
- Add support to python 3.7.
- Bug fix and enhancements in examples.
Note This is a Major release and might affect your existing Async client implementation. Refer examples on how to use the latest async clients.
- Async client implementation based on Tornado, Twisted and asyncio
- Fix serial client is_socket_open method
- Fix device information selectors
- Fixed behaviour of the MEI device information command as a server when an invalid object_id is provided by an external client.
- Add support for repeated MEI device information Object IDs (client/server)
- Added support for encoding device information when it requires more than one PDU to pack.
- Added REPR statements for all syncchronous clients
- Added isError method to exceptions, Any response received can be tested for success before proceeding.
res = client.read_holding_registers(...)
if not res.isError():
# proceed
else:
# handle error or raise
"""
- Add examples for MEI read device information request
- Improve transaction speeds for sync clients (RTU/ASCII), now retry on empty happens only when retry_on_empty kwarg is passed to client during intialization
client = Client(..., retry_on_empty=True)
- Fix tcp servers (sync/async) not processing requests with transaction id > 255
- Introduce new api to check if the received response is an error or not (response.isError())
- Move timing logic to framers so that irrespective of client, correct timing logics are followed.
- Move framers from transaction.py to respective modules
- Fix modbus payload builder and decoder
- Async servers can now have an option to defer reactor.run() when using Start<Tcp/Serial/Udo>Server(...,defer_reactor_run=True)
- Fix UDP client issue while handling MEI messages (ReadDeviceInformationRequest)
- Add expected response lengths for WriteMultipleCoilRequest and WriteMultipleRegisterRequest
- Fix _rtu_byte_count_pos for GetCommEventLogResponse
- Add support for repeated MEI device information Object IDs
- Fix struct errors while decoding stray response
- Modbus read retries works only when empty/no message is received
- Change test runner from nosetest to pytest
- Fix Misc examples
- Bug fix Modbus TCP client reading incomplete data
- Check for slave unit id before processing the request for serial clients
- Bug fix serial servers with Modbus Binary Framer
- Bug fix header size for ModbusBinaryFramer
- Bug fix payload decoder with endian Little
- Payload builder and decoder can now deal with the wordorder as well of 32/64 bit data.
- Support Database slave contexts (SqlStore and RedisStore)
- Custom handlers could be passed to Modbus TCP servers
- Asynchronous Server could now be stopped when running on a seperate thread (StopServer)
- Signal handlers on Asynchronous servers are now handled based on current thread
- Registers in Database datastore could now be read from remote clients
- Fix examples in contrib (message_parser.py/message_generator.py/remote_server_context)
- Add new example for SqlStore and RedisStore (db store slave context)
- Fix minor comaptibility issues with utilities.
- Update test requirements
- Update/Add new unit tests
- Move twisted requirements to extra so that it is not installed by default on pymodbus installtion
- ModbusSerialServer could now be stopped when running on a seperate thread.
- Fix issue with server and client where in the frame buffer had values from previous unsuccesful transaction
- Fix response length calculation for ModbusASCII protocol
- Fix response length calculation ReportSlaveIdResponse, DiagnosticStatusResponse
- Fix never ending transaction case when response is received without header and CRC
- Fix tests
- Recall socket recv until get a complete response
- Register_write_message.py: Observe skip_encode option when encoding a single register request
- Fix wrong expected response length for coils and discrete inputs
- Fix decode errors with ReadDeviceInformationRequest and ReportSlaveIdRequest on Python3
- Move MaskWriteRegisterRequest/MaskWriteRegisterResponse to register_write_message.py from file_message.py
- Python3 compatible examples [WIP]
- Misc updates with examples
- Fix encoding problem for ReadDeviceInformationRequest method on python3
- Fix problem with the usage of ord in python3 while cleaning up receive buffer
- Fix struct unpack errors with BinaryPayloadDecoder on python3 - string vs bytestring error
- Calculate expected response size for ReadWriteMultipleRegistersRequest
- Enhancement for ModbusTcpClient, ModbusTcpClient can now accept connection timeout as one of the parameter
- Misc updates
- Timing improvements over MODBUS Serial interface
- Modbus RTU use 3.5 char silence before and after transactions
- Bug fix on FifoTransactionManager , flush stray data before transaction
- Update repository information
- Added ability to ignore missing slaves
- Added ability to revert to ZeroMode
- Passed a number of extra options through the stack
- Fixed documenation and added a number of examples
- Reworking the transaction managers to be more explicit and to handle modbus RTU over TCP.
- Adding examples for a number of unique requested use cases
- Allow RTU framers to fail fast instead of staying at fault
- Working on datastore saving and loading
- Fixing memory leak in clients and servers (removed __del__)
- Adding the ability to override the client framers
- Working on web page api and GUI
- Moving examples and extra code to contrib sections
- Adding more documentation
- Adding support for payload builders to form complex encoding and decoding of messages.
- Adding BCD and binary payload builders
- Adding support for pydev
- Cleaning up the build tools
- Adding a message encoding generator for testing.
- Now passing kwargs to base of PDU so arguments can be used correctly at all levels of the protocol.
- A number of bug fixes (see bug tracker and commit messages)
Please view the git commit log