* Add tests to reach full coverage for helpers/state.py.
* Refactor reproduce_state function in helpers/state.py. Add two dicts,
as global constants, service_attributes and service_to_state. Use
these in combination with the dict of services per domain from
ServiceRegistry, to find the correct service to use in a scene state
change.
* Use break statement in for loop, to break if service was selected
to update state, in preference to update state attributes, ie state
update takes precedence.
* Add ATTR_CODE and ATTR_CODE_FORMAT in const. Import these in
alarm_control_panel and lock platforms instead of making duplicate
constants in multiple modules.
* Use ATTR_MEDIA_CONTENT_TYPE and ATTR_MEDIA_CONTENT_ID in media_player
platform in SERVICE_PLAY_MEDIA and play_media methods, instead of
'media_type' and 'media_id'.
* Fix PEP257 in modified files.
1. Moved RESTART_EXIT_CODE to constants so it can safely be used by
__main__.py.
2. Allowed __main__/main to return the desired exit code.
3. Forwarded the child processes exit code to the parent process to be
duplicated.
4. Added —debug flag to pass command to force Home Assistant to run in
only one process. A warning is printed to STDERR to indicate HASS is in
debug mode. Another is printed if HASS requests a restart in debug
mode. A restart request in debug mode will quit.
5. Added an argument to __main__/main/setup_and_run_hass to indicate
that it is running in the top process. This tells it to return the exit
code rather than exiting.
* Add 'available' property. Return True by default.
* Use new property in update_ha_state(). If available is False, set
state to 'unavailable', through constant.
* Add STATE_UNAVAILABLE constant 'unavailable' in const.py.
* Fix docstrings in entity.py and const.py, according to PEP257.
Ignore D203 and D105.
Implemented an OS and environment safe restart service. This works by
running Home Assistant in a child process. If the child process
terminates with an exit code > 0, HASS is restarted. SIGTERM and
KeyboardInterrupts to the parent process are forwarded to the child
process. KeyboardInterrupts will only be forwarded once. The second
KeyboardInterrupt will be handled by the parent.