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Ignore empty payloads from DSMR Reader (#86841)

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* Ignore empty payloads from DSMR Reader

* Simplify empty payload handling

If the native value hasn't changed, requesting to store it won't have a performance impact.

Co-authored-by: Franck Nijhof <frenck@frenck.nl>

---------

Co-authored-by: Franck Nijhof <frenck@frenck.nl>
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Tom Puttemans 2023-01-30 14:56:57 +01:00 committed by GitHub
parent d4489faa68
commit 73cd03255f
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1 changed files with 4 additions and 1 deletions
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5
homeassistant/components/dsmr_reader/sensor.py
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@ -69,7 +69,10 @@ class DSMRSensor(SensorEntity):
@callback @callback
def message_received(message): def message_received(message):
"""Handle new MQTT messages.""" """Handle new MQTT messages."""
if self.entity_description.state is not None: if message.payload == "":
self._attr_native_value = None
elif self.entity_description.state is not None:
# Perform optional additional parsing
self._attr_native_value = self.entity_description.state(message.payload) self._attr_native_value = self.entity_description.state(message.payload)
else: else:
self._attr_native_value = message.payload self._attr_native_value = message.payload