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python_scripts/batteries.py

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+""" 
+Author      : Suresh Kalavala
+Date        : 02/09/2017
+Description : Returns the appripriate icon for the entity
+File        : batteries.py - python_script for batteries
+"""
+def get_icon(bat_level):
+    icon = "mdi-unknown"
+    battery_round = round(int(bat_level)/10)*10
+    if battery_round >= 100:
+        icon = "mdi:battery"
+    elif battery_round > 0:
+        icon = "mdi:battery-{}".format(str(battery_round))
+    else:
+        icon = "mdi:battery-alert"
+    return icon
+
+try:
+    attribs = {}
+    entity_id = data.get('entity_id')
+    battery_value = data.get('battery_value', 0)
+
+    attribs["icon"] = get_icon(battery_value)
+    attribs["unit_of_measurement"] = "%"
+    attribs["friendly_name"] = entity_id.split('.')[1].replace("_", " ").title() + "'s Battery"
+
+    hass.states.set(entity_id, battery_value, attributes=attribs)
+except Exception as ex:
+    logger.error(str(ex))
+
+"""
+  - alias: Update ZWave Battery Levels
+    initial_state: true
+    trigger:
+      - platform: event
+        event_type: state_changed
+    condition:
+      - condition: template
+        value_template: "{{ trigger.event.data.entity_id is not none }}"
+      - condition: template
+        value_template: "{{ trigger.event.data.entity_id.split('.')[0] == 'zwave' }}"
+      - condition: template
+        value_template: "{{ trigger.event.data.new_state.attributes is not none }}"
+      - condition: template
+        value_template: "{{ trigger.event.data.new_state.attributes.battery_level | trim != '' }}"
+      - condition: template
+        value_template: "{{ trigger.event.data.new_state.attributes.battery_level | default(999) | int != 999 }}"
+    action:
+      - service: python_script.batteries
+        data_template:
+          entity_id: "input_label.{{- trigger.event.data.entity_id.split('.')[1] -}}"
+          battery_value: '{{ trigger.event.data.new_state.attributes.battery_level }}'
+"""