* added optional argument to command service
* Fixed crash when optional argument is not provided
* Updated argument description
* fixed lint error
* Fix isort error
* switched to use dict for optional field instead of json string
* switched to use ATTR_PAYLOAD
* fixed test
* actually fixed test
* Move consts to const, general cleanup
* Add unique id
* Add default icon
* Set supported features based on sound output
* Update homeassistant/components/webostv/media_player.py
Co-Authored-By: Martin Hjelmare <marhje52@gmail.com>
* Set device class
* Add software_info to client mock
Co-authored-by: Martin Hjelmare <marhje52@gmail.com>
* Add yamllint (in pre-commit and CI)
* Fix linting for all YAML files
* Bump and add it to requirements
* Fix gen_requirements for pre-commit, remove 'v' from version
* Webostv: add sound_output capability
Add the ability to read and set the sound_output
* Webostv: add sound_output capability
* Webostv: add sound_output capability
* fix blank spaces
* fix to long line
* add ,
* Import ATTR_SOUND_OUTPUT
Do not have the ability to test this change right now
* Add white space
* Create const.py
* Use const import
* Use import from const.py
* Add docstring
* Change order
* Change order
* Fix import
* Fix import
* Fix typo
* Change order again
* Change order again
* Change order of attributes
* upgrade to aiopylgtv 0.3.0 and corresponding simplification and cleanup of webostv state tracking
* properly handle case where Live TV is not reported in list of apps
* fix tests (entity state is no longer linked to source id)
* fix pylint checks
* avoid unnecessary retrieval of channel list
* use only standard home assistant states
* migrate webostv to new aiopylgtv version of the library and add support
for generic commands, input/button commands, and callback state updates
* update requirements
* cleanup and bump aiopylgtv version
* update webostv unit tests
* make webostv unit tests work with python 3.7
* cleanup for code checks
* cleanup and code review
* make all client request functions coroutines
* make host required for webostv configuration
* remove generic command and button functionality plus related cleanup
* fix previous track function
* update unit tests
* fix imports for unit tests
* update unit test
* further unit test updates
* remove unnecessary setup call in unit tests
* restore previous behaviour with client key config file in hass configuration directory
