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https://github.com/pilotak/homeassistant-attributes

Breaks out specified attribute from other entities to a sensor
https://github.com/pilotak/homeassistant-attributes

attributes breakout hacs hass homeassistant sensor

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Breaks out specified attribute from other entities to a sensor

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# HomeAssistant component: `attributes`

[![Validate](https://github.com/pilotak/homeassistant-attributes/workflows/Validate/badge.svg)](https://github.com/pilotak/homeassistant-attributes/actions)

[![hacs_badge](https://img.shields.io/badge/HACS-Default-orange.svg)](https://github.com/custom-components/hacs)



The `attributes` platform supports sensors which break out a specified `attribute` from other entities.



To enable the `attributes` sensor in your installation, add the following to your `configuration.yaml` file:



```yaml

# Example configuration.yaml entry

sensor:  

  - platform: attributes

    friendly_name: "Batteries"

    attribute: battery_level

    device_class: battery

    entities:

      - sensor.myslipo_1_0

      - sensor.myslipo_2_0

      - sensor.myslipo_3_0

      - sensor.myslipo_4_0

      

  - platform: attributes

    friendly_name: "Last changed"

    attribute: last_triggered

    icon: 'mdi:clock'

    time_format: '%e %B - %H:%M:%S'

    entities:

      - automation.temp_changed

```



Configuration variables:



- **entities** (*Required*): A list of entity IDs that you want to read attributes from.

- **attribute** (*Required*): Which attribute to extract from defined entity IDs.

- **friendly_name** (*Optional*): Name to use in the Frontend *(will be the same for all entities specified)*.

- **icon** (*Optional*): Icon to use in the Frontend.

- **device_class** (*Optional*): Defines the device_class, if not specified it will be the same as parent.

- **unit_of_measurement** (*Optional*): Defines the units of measurement of the sensor, if any.

- **round_to** (*Optional*): Round numbers to 'x' decimals, if zero it will become whole number. Skip this field if you extracting a string or you want to leave the value as it is.

- **value_template** (*Optional*): In case you need to do a math with the value ie. offset, bit gain, etc. *(will be the same for all entities specified)*.

- **time_format** (*Optional*): **`strftime`** type string to beautify time attribute output. Applicable only when attribute `last_changed` or `last_triggered` is selected. Cheatsheet for strftime formatting  [here](http://strftime.ninja/).



## Install via [HACS](https://github.com/custom-components/hacs)

You can find this integration in the community store.



## Install manually

You need to copy the `attributes` folder from this repo to the `custom_components` folder in the root of your configuration. The file tree should look like this:

```

└── ...

└── configuration.yaml

└── custom_components

    └── attributes

        └── __init__.py

        └── manifest.json

        └── sensor.py

```



>__Note__: if the `custom_components` directory does not exist, you need to create it.



## Examples

This example shows how to extract the `battery_level` attribute.



```yaml

sensor:

  - platform: attributes

    friendly_name: "Batteries"

    attribute: battery_level

    unit_of_measurement: "%"

    entities:

      - sensor.test1

      - sensor.test2

      - sensor.test3

```



>If an attribute is __`battery`__ or __`battery_level`__ and you don't specify __`icon`__ or __`device_class`__ is not `battery`, the following icon_template is applied (fullness). The result is that the battery icon becomes as full as the battery based on percentage.



```yaml

{% if batt == 'unknown' %}

    {% if batt > 95 %}

        mdi:battery

    {% elif batt > 85 %}

        mdi:battery-90

    {% elif batt > 75 %}

        mdi:battery-80

    {% elif batt > 65 %}

        mdi:battery-70

    {% elif batt > 55 %}

        mdi:battery-60

    {% elif batt > 45 %}

        mdi:battery-50

    {% elif batt > 35 %}

        mdi:battery-40

    {% elif batt > 25 %}

        mdi:battery-30

    {% elif batt > 15 %}

        mdi:battery-20

    {% elif batt > 10 %}

        mdi:battery-10

    {% else %}

        mdi:battery-outline

    {% endif %}

{% else %}

    mdi:battery-unknown

{% endif %}

```



This example shows how to extract the `last_triggered` attribute in human-readable format.



```yaml

sensor:

  - platform: attributes

    friendly_name: "Last changed"

    attribute: last_triggered

    icon: 'mdi:clock'

    time_format: '%e %B - %H:%M:%S'

    entities:

      - automation.dummy_changed

```

>If you select attribute __`last_changed`__ or __`last_triggered`__ and you specify time_format, your datetime will get translated to your local timezone and will be formatted like `strftime()` e.g., ***2017-08-08T13:14:21.651894+00:00*** gets translated into the specified strftime format with timezone applied. The result would be: ***8 August 15:14:21*** if your timezone is UTC+2