Release 2.2.0

Features

• Add Server.remove_station(common_address: int) and Connection.remove_station(common_address: int) methods to enable the removal of stations.
• Add Station.remove_point(io_address: int) method to allow the removal of points and facilitate reassigning the io_address to another point type.

Release 2.1.1

This is a bugfix release.

Fixes

• Fixed an issue where the source distribution erroneously included a __pycache__ folder.

Release 2.1.0

Features

• Serve type hints for all classes and methods as a .pyi file.
• Add the property Server.protocol_parameters and Connection.protocol_parameters to enable reading and updating protocol parameters, such as window size and timeouts.
• Provide Batch Transmission support via the new Batch class, in combination with Server.transmit_batch(...), for monitoring direction.
• Sending Connection.counter_interrogation() supports full Qualifier of Counter Interrogation (Rqt and Frz)
• Introduce the Connection.on_unexpected_message() callback to get informed about unsupported messages, or messages with type id conflicts
• Add the Station.signal_initialized(cause=...) method to support sending end-of-initialization messages per station to all connected clients.
• Introduce the Client.on_station_initialized callback to handle end-of-initialization messages.
• Send monitoring data formatted as sequences in periodic transmissions and interrogation responses, if possible.
• Add TransportSecurity.set_ciphers() to specify a list of supported cipher suites.
• Add TransportSecurity.set_renegotiation_time() to configure the TLS renegotiation time.
• Add TransportSecurity.set_resumption_interval() to define the session resumption interval.
• Raise a ValueError when modifying a TransportSecurity object that is already assigned to a client or server, as changes have no effect.

Dependencies

• Add python 3.13 support
• Minor update of lib60870 to 2.3.4
• Major update of Mbed TLS to 3.6.2, add support for TLS 1.3

Fixes

• Fix Client.get_connection method to accept ip and port or common_address argument
• Fix Qoc reference in docs
• Improved error message on assigning invalid information object to a points value or quality property

Deprecations

• Property number_of_object renamed to number_of_objects in class IncomingMessage

Breaking Changes

• Dropped TLS 1.1 support

Release 2.0.2

This is a hotfix release.

Improvements

• Enhance the error messaging for invalid value and quality assignments of points

Fixes

• Fix an issue with the point.value setter that was not functioning correctly for the following types: EventState, StartEvents, OutputCircuits, and PackedSingle #35
• Fix a segmentation fault that occurred during the string conversion of Quality and BinaryCounterQuality objects when unsupported bits were set

Release 2.0.1

This is a hotfix release.

Fixes

• Fix missing cyclic reports if debug flag c104.Debug.Server is not set #28
• Detect and handle invalid return values from callbacks #27
• Improve python docblock signatures and examples
• Fix project URLs for pypi
• Fix documentation links in README

Release 2.0.0

Features

• Add support for equipment protection points (M_EP_TD_1, M_EP_TE_1, M_EP_TF_1) and status with change detection (M_PS_NA_1)
• Add advanced property support for all messages
• Add point timer callback for extended event driven transmission scenarios
• Add option c104.Init.MUTED, to open a connection in muted state
• Add extended datetime.datetime support
• Add support for information object address 0
• Improve command mode select and execute with automatic selection timeout
• Improve performance and stability
• Improve string representation for all classes
• Improve type safety

Breaking Changes

• Dropped python 3.6 support, since pybind11 does not support it anymore
• c104.Point signature changes (see docs)
• c104.Station signature changes (see docs)
• c104.Client signature changes (see docs)
• c104.Connection signature changes (see docs)
• c104.Server signature changes (see docs)
• c104.IncomingMessage signature changes (see docs)
• Renamed enum property c104.Qoc.CONTINUOUS to c104.Qoc.PERSISTENT.
  This corresponds to the standard description for Qualifier of command.
• Removed deprecated function c104.add_server(...), use c104.Server() constructor instead
• Removed deprecated function c104.remove_server(...), remove last reference to server instance instead
• Removed deprecated function c104.add_client(...), use c104.Client() constructor instead
• Removed deprecated function c104.remove_client(...), remove last reference to client instance instead

Release 1.18.0

• Add support for Qualifier of Command for single, double and regulating step commands
• Fix transmit updated_at timestamp for time aware point
• c104.Point.set method signature improved (non-breaking):
  • Add keyword argument timestamp_ms to allow setting a points value in combination with an updated_at_ms timestamp
  • Improve value argument to support instances of type c104.Double and c104.Step as setter for c104.Point.value does
• Improve GIL handling for methods station.add_point, server.stop and client.stop

Release 1.17.1

• fix select-and-execute for C_SE_NA #2
• fix armv7 build #4

Release 1.17.0

Feature command mode (#3)

• add command mode feature and improvements:
• add support to wait for act_con and act_term response
• free response map if result is not awaited
• simplify test certificate generation without prompt
• update changelog, readme and linter config
• fix readthedocs build
• fix read command success detection
• enhance code documentation

Release 1.16.1

Bugfixes:

• remove invalid quality flag if short value is greater then 2^24