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MQTTany Change Log

0.14.1

  • Fixed
    • Bug introduced in #108 causing interrupts to not work on kernels <5.5.

0.14.0

  • Added

    • Kernel version check to determine GPIO cdev availability and capabilities. #108
    • Raspberry Pi 4B support. #109
    • Raspberry Pi pull down support to board definitions since they support it. #111

  • Fixed

    • Unknown and Generic Linux boards missing superclass init. #103
    • GPIO error Failed to setup GPIOxx using cdev, an invalid argument was given caused by attempting to use cdev bias setting that was only introduced in Linux kernel v5.5. Fixes #106. #108

0.13.0

  • BREAKING CHANGE

    • LED restructure set/get pixel functions to simplify array subclassing. #92

  • Changed

    • LED some minor cleanup of array subtypes. #92
    • MQTT use custom client logger for better control of log messages. #93
    • Migrate from pylint to Pylance for code checking in VSCode. #96
    • Convert entire codebase to be fully typed. #96
    • Migrate CI code check to Pyright from pylint. #96
    • OneWire move get_w1_address function from base bus class to wire-1 bus class. #97

  • Fixed

    • Missing comma in Odroid C1+ and C2 board definitions. #89
    • GPIO Digital pin pulse message handler using entire payload as state instead of JSON property 'state'. #90
    • I2C Bus instance referencing error, devices not able to access the bus instance. #91
    • OneWire bus not being instantiated. #94
    • OneWire polling not referencing device instance. #94
    • XSET module missing module type. #95

0.12.2

  • Changed

    • GPIO CDev interrupts now use Python timestamp instead of event timestamp. On some systems it seems that it reports uptime nanoseconds, not epoch nanoseconds. Fixes #86. #88

  • Fixed

    • Math error in GPIO debounce calculation, multiplied when I should have divided. Also corrects cast error in CDev interrupt where epoch nanoseconds (1.6×1015) is cast to a 32-bit integer (max 2.15×109). Fixes #85. #87

0.12.1

  • Changed

    • Config parser no long converts selection keys to strings before matching. #82

  • Added

    • Config parser now considers required sections with defaults for all options to be valid and will populate the section in the returned configuration. #81

  • Fixed

    • Config parser was reporting valid configuration for optional conditional sections containing invalid values. Fixes problem 1 in #80. #81
    • YAML returning booleans for unquoted on or off strings, booleans have been added as accepted values where applicable to avoid confusion. Fixes #80. #82

0.12.0

Major Core Rewrite

This release is a big one! The core functionality has been almost completely rewritten in order to make things a lot simplier for modules. There is now a standardized message bus that modules use, instead of calling functions directly in other modules. This abstraction also paves the way for adding other communication modules. However, as with anything, there was a price; a lot of things have changed and a few features were dropped.

One of the major goals of this rewrite is to bring Homie support to MQTTany. In order to do that it was necessary to abstract the way interface modules connect to communication modules. This means that interface modules must now provide more details on the data they export, but can no longer directly specify topics.

Internally the new message bus largely resembles the Homie convention in order to have all details required for it. This means that topics must now have a minumum depth of 2 (ex. {node}/{property}, gpio/1) and absolute topics are no longer supported.

Due to the number of changes, you will need to go over the documentation for each module you are using and update your configuration file to work with the new options and changes. If you were using default MQTT topics you will likely not have to change your home automation setup much in order to interface with this version of MQTTany.

  • BREAKING CHANGE

    • Absolute and custom topic support removed. This means all topic options in config will now be ignored. See the documentation for each module to see how paths work. #49
    • GPIO - Digital pins now report their state as ON or OFF. #49
    • GPIO - Digital pins no longer support time only or comma separated messages for pulse commands, only JSON is supported now. #49
    • I2C - MCP230xx pins now report their state as ON or OFF. #49
    • I2C - MCP230xx pins no longer support time only or comma separated messages for pulse commands, only JSON is supported now. #49
    • LED - Options specific to output methods are now in a nested section inside the array definition. See the documentation for details. #49
    • LED - Animations can only be called with JSON on path {array_id}/animation/set. #49
    • OneWire - Options specific to devices are now in nested sections inside the device definition. See the device documentation for details. #49
    • LED - Move the fps option from module config to array config allowing per-array FPS setting. This is now published when the array is setup also. #52
    • GPIO - Change language for direction to pin mode to be less specific and lay ground work for additional pin modes. #55
    • GPIO - move interrupt, invert, and initial settings into a digital subsection in config. This was done to align with the new counter pin type to distinguish which pin type these settings apply to. #78

  • Added

    • Colorized log output to terminal.
    • .pylintrc file.
    • GitHub Actions for pylint and black checks.
    • Python version check before importing anything with a minimum version requirement. #49
    • Import checking for the core requirements with log entries for missing packages. #49
    • Template modules and documentation to help with creating new modules. #49
    • Config file version key. This will prevent MQTTany from running with an outdated config file that may cause errors or strange behavior. Config version number will incriment when incompatible changes occur in the config format. #50
    • Config option flag secret to obfuscate values in the log for passwords, etc. #53
    • I2C - If bus is a number, checks for path /dev/i2c{bus} as well as /dev/i2c-{bus} now. #62
    • udev rule files to help with hardware permissions. #63
    • GPIO - support for OrangePi Zero boards. #71
    • GPIO - support for counter pins. #75
    • Config option conditions allows matching a key at the same level to a value. Useful for sections or options that are required only for certain modes. #77
    • Update all modules to use config conditions. #78

  • Changed

    • Convert all string formatting to use f-strings. This change means you must be using a minimum Python version of 3.6. #49
    • Convert all logging to use lazy formatting. This should save some time building log messages for disabled log levels. #49
    • Logger get_module_logger now uses entire module name after modules instead of only selecting the element after the last period. #49
    • Move mprop requirement up into core, now modules don't need to make sure it is installed. #49
    • MQTT - Messages arriving on {node}/{property}/+/# will match and the callback for the property will be called. The callback should further inspect the topic before taking action. #49
    • LED - Remove the modified version of libsacn that was bundled with the LED module. The needed modifications are now available upstream in version 1.4.5. #51
    • Updated Adafruit Platform Detect version from 1.x to 2.x. #54
    • Consolidate get_module_logger and get_logger into single function and remove leading mqttany from all logger names. #56
    • log_traceback now formats entire traceback into a single log entry on a new line, like a standard stack trace. #66
    • GPIO access has been moved into the core, allowing all modules access to GPIO pins as needed. #64
    • GPIO access is now acheived using the periphery library via the new cdev interface, with a fallback to the older sysfs access. This moves MQTTany away from the now depreciated wiringpi library and opens the door for easy support of any SBC that supports cdev or sysfs GPIO access. #64

  • Fixed

    • Remove requirements file for old MCP230xx module that was removed in v0.10.0.
    • Fix logger checking if TRACE logging was enabled for WARN messages.
    • Core not exiting correctly if an exception occurred in the core. #49
    • Logging not truncating process name or logger name, this could have resulted in misaligned log entries. #56
    • LED - fix error on unload if array animation manager was never started. #67
    • LED - fix permission check for non-SPI outputs on Raspberry Pi arrays. #68

0.11.0

  • Added

    • XSET module to allow sending xset commands to control screensaver, screen power options, etc.

  • Changed

    • Begin using Python Black code formatter. This has resulted in a massive commit as there are changes to most files. All changes made by Black have been reviewed and no errors were found.

  • Fixed

    • MQTT not handling absolute topics correctly.
    • Incorrect reference to rpiGPIO in ODroid GPIO interface.

0.10.3

  • Fixed
    • I2C device MCP230xx throwing TypeError: can only concatenate list (not "int") to list when initializing devices. (#43)

0.10.2

  • Fixed
    • Dependency issue with Adafruit Platform Detect reaching version 2.x. (#41)
    • All requirements files updated to prevent similar issues.

0.10.1

  • Fixed
    • I2C device MCP230xx highest pin index out of range error.
    • OneWire module error object has no attribute 'CONF_KEY_TOPIC_SETTER'
    • Module loader crashing when trying to delete module that failed to load.

0.10.0

  • BREAKING CHANGE

    • MCP230xx module has been removed as its functionality has been replaced by the MCP230xx device profiles in the new I2C module.
    • LED configuration refactored to better allow different outputs.
    • LED anim frame min setting replaced with anim fps which is used to calculate frame duration. This setting is more user friendly.

  • Added

    • MQTT heartbeat messages, currently status and version only.
    • LED add white channel to test.order animation.
    • I2C module for I2C communication.
    • I2C support for MCP230xx devices including output pulsing.
    • LED interface for DMX output using the sACN protocol.

  • Changed

    • Move active development to dev branch, master branch is stable release only.
    • Moved Direction, Resistor, and Interrupt enums to global common.

  • Fixed

    • Incorrect naming of keyword __all__.
    • GPIO incorrect imports and exports in common.
    • LED array topic getting root and module topics added twice.
    • MQTT typo in assignment of on_connect callback causing it to never be called.

0.9.0

  • Added

    • LED module for controlling WS281x and similar LED arrays.

  • Fixed

    • Actually remove .lower() from key check in selection type config values. It was mistakenly not removed in 08d66f4.
    • Config value not being set in selection type if options are a list.

0.8.2

  • Added

    • Logging warn method as the built-in one is depreciated in Python 3.7.

  • Changed

    • Signal handler now used in all subprocesses. This should help stop orphaned processes remaining after a crash. They will respond to SIGTERM.
    • MQTT moved log entry for unknown message to TRACE.

  • Fixed

    • Removed .lower() from key check in selection type config value validation. This was leftover from an early draft and should have been removed.
    • GPIO now catches errors from system calls to wiringpi command gpio.

0.8.1

  • Added

    • GPIO module now supports Odroid boards C1, C1+, C2, XU3, XU4, and N2.

  • Changed

    • GPIO now relies on getGPIO() to determine board compatibility. It returns None if no library is available to access GPIO on this board.
    • Clear configuration from memory once loaded, saves some overhead in subprocesses.

  • Fixed

    • MCP230xx cleanup pin configured log entries.
    • OneWire cleanup logging on device configured and during bus scan.
    • GPIO must use SOC pin numbering when disabling pin interrupts using gpio command.

0.8.0

  • Added

    • OneWire module, currently supports wire-1 and DS18x20.
    • GPIO module now supports pulsing a digital pin for a period of time.

  • Changed

    • Non-standard imports now show custom ImportError messages if they are not installed.

  • Fixed

    • GPIO add missing initial state info to example config.
    • GPIO fix signature of gpio.pin.base init to remove unused pin_config. Fixes #29
    • OneWire fix missing CRC8 bytes to hex in validate_address causing error when address provided in config is not 8 bytes.

0.7.3

  • Added

    • GPIO mode setting to allow specifying pin numbering mode BOARD, SOC, or WIRINGPI.

  • Changed

    • GPIO underlying library moved from RPi.GPIO to wiringpi to allow selecting pin number mode.
    • GPIO locks now handle pin numbering mode, locks always use SOC numbers.
    • GPIO default debounce time is now 50ms.

0.7.2

  • Added

    • Log level trace, available by passing -vv when launching MQTTany.

  • Fixed

    • I2C lock acquisition waiting full timeout before returning on successful bus lock (#22).
    • MCP230xx log and publish wrong pin states if new state != old state (#22).

0.7.1

  • Added

    • Catch configuration file syntax errors and exit cleanly.

  • Changed

    • GPIO remove dependence on Adafruit-Blinka and use Adafruit-PlatformDetect since that is the only component being used.

  • Fixed

    • MCP230xx outdated key device in example configuration, should be chip (#21).
    • MCP230xx fix missing log format key (#21).

0.7.0

  • Added

    • Log traceback on module import errors.

  • Changed

    • Moved requirements to a folder.
    • GPIO module rewrite. Now uses pin classes and custom GPIO library wrappers to allow support of libraries for other boards.
    • resolve_type now tries to cast to int and float first.
    • Requirements now use >= and split board specific requirements.
    • MCP230xx logging cleaned up and made more uniform.

0.6.1

  • Fixed
    • Import name errors in cleanup done for v0.6.0.

0.6.0

  • BREAKING CHANGE

    • GPIO and MCP230xx topic poll settings have been removed and now use the value of topic get for the same functions.

  • Changed

    • MQTT topic_matches_sub now strips / to ensure absolute topics are matched.

  • Fixed

    • GPIO not matching messages for pins with absolute topics because of leading /.

0.5.3

  • Fixed
    • MCP230xx wrong pin state being published after setting pin. State was being read back from device too fast, now we cache the new state.
    • MCP230xx not matching messages for pins with absolute topics because of leading /.
    • MCP230xx incorrect types (int, list) for pin topics, should be (str, list).
    • MCP230xx missing key pin_name in topic substitutions for pin topics.

0.5.2

  • Fixed
    • Crash when parsing single relative topics. literal_eval throws a syntax error when passed a string starting with /.

0.5.1

  • Changed

    • Improvements to service file.
    • Requirements separated based on modules.

  • Fixed

    • MQTT prevent ability to provide reserved substitutions to resolve_topic.
    • MQTT absolute topics not being resolved correctly.
    • MQTT LWT messages are now retained.

0.5.0

  • Added
    • MCP230xx module to support MCP23017 and MCP23008 I/O Expanders over I2C.

0.4.1

  • Added

    • GPIO pin topics can now use pin_name substitution.

  • Fixed

    • GPIO logging of logic state wrong if using invert: true for pin.
    • MQTT resolve_topic now replaces whitespace with _.
    • Argparse error where no verbosity would result in an invalid NoneType comparison.

0.4.0

  • BREAKING CHANGE
    • GPIO module configuration changed to friendly names for pin sections. Also supports configuring multiple pins in a single section, refer to example configuration file for details.

0.3.8

  • Added

    • Provide MQTT client function topic_matches_sub directly from MQTT module.
    • log_traceback function to support printing stack traces when errors occur without processes crashing.

  • Changed

    • Verify subprocess queue message func is callable before attempting to do so.

0.3.7

  • Added
    • Command line argument parsing.
    • Configuration file can now be specified as a command line argument.

0.3.6

  • Added

    • GPIO log entry if no pins match topic for SET.
    • Example module.
    • Logging automatically gets module name, call logger.get_module_logger with no args.
    • Config file verfication and path expansion.
    • Debug logging now shows process name.

  • Changed

    • Subprocess loop moved to modules.__init__.py.

  • Fixed

    • GPIO if initial state is not payload on or payload off, pin will be set to payload off and a warning displayed.
    • GPIO will write to log if it cannot match a message topic to a configured pin.

0.3.5

  • Fixed
    • Remove module validation check for queue that should have been removed.
    • GPIO interrupt log message print number instead of the word.

0.3.4

  • Added

    • GPIO initial state option to specify the state of the pin when the module is loaded. Fixes #5

  • Changed

    • GPIO message callbacks rewritten for effeciency gains and simplicity.

  • Fixed

    • GPIO set payload as bytes not matching string payload on/payload off. Fixes #6
    • Queues not being accessible to all modules. Fixes #6

0.3.3

  • Changed

    • GPIO module direction default is now input

  • Fixed

    • GPIO lock release causing process crashes
    • Fixed typo in configuration file /set should have been /get
    • Module name now display only the module name instead of modules.[name]
    • GPIO module resistor default is now Resistor.OFF instead of invalid None
    • Config selection type not adding value to config dict.
    • Modules loading in random order. MQTT module needs to be loaded first. Switched to yamlloader to load config sections in file order.
    • Added missing dependency RPi.GPIO

0.3.2

  • Fixed
    • GPIO module was not updated when resolve_topic was changed in v0.3.1

0.3.1

  • Added

    • selection type to configuration options. Allows limiting option to a list or mapping of choices.

  • Changed

    • Improvements to resolve_topic. Can apply nested subtopics now. More substitutions available module_topic, module_name.
    • Improvements to GPIO locking. Now registers the module doing the locking and only that module can unlock.

0.3.0

  • BREAKING CHANGE

    • Move to single YAML configuration file instead of per module CONF files.

  • Fixed

    • GPIO pin locks now work correctly, using multiprocessing.Locks

0.2.0

  • Added

    • GPIO Module. Currently supports RPi3
    • GPIO pin lock acquire/release. Does not work inter-process yet.

  • Changed

    • Allow optional sections in configuration

  • Fixed

    • Wrap modules.load() call in try/except to avoid issues where the main process crashes but children survive.
    • MQTT public functions now add messages to queue. Previously they would run in the calling process and fail because the MQTT client is running in another process.

0.1.0

Initial development release