Need to access input_number.set_value from python custom_components

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1

Hi,

I need to store variable within custom_components python script for later use, ideally it remains after restart. It will be just unix timestamp. How to use python scripting to access read/write some variable value?

I have created in configuration.yaml this record for input_number and not sure if it is possible to use set_value. It is overall correct approach?

input_number:
  last_ahc_change_timestamp:
    initial: 0

and how to read / write to this variable, can i access the variable as entity via hass.states.get()?

2

I think I was looking for hass.data.

hass.data['some_key'] = 'some_data'

but this does not survive hass restart, any ideas?