Update light to handle MRS100

[impulsio]

On device MRS100 it reports as Handle Light but has no light data then digest is empty We test if digest has key light before gathering data

Data received is :

Received message from topic /app/2876630-43ababbc1cc8a332cc2188f9902c6779/subscribe: b'{
	"header": {
		"messageId": "f589abcb7536a53ae15fa288dba2b3ad",
		"namespace": "Appliance.System.All",
		"triggerSrc": "Android",
		"method": "GETACK",
		"payloadVersion": 1,
		"from": "/appliance/2211013555341970080148e1e9aeb62a/publish",
		"uuid": "2211013555341970080148e1e9aeb62a",
		"timestamp": 1773903089,
		"timestampMs": 299,
		"sign": "fab44bf26f90f51b333c22b8e816a26c"
	},
	"payload": {
		"all": {
			"system": {
				"hardware": {
					"type": "mrs100",
					"subType": "un",
					"version": "7.0.0",
					"chipType": "rtl8710cm",
					"uuid": "2211013555341970080148e1e9aeb62a",
					"macAddress": "48:e1:e9:ae:b6:2a"
				},
				"firmware": {
					"version": "7.6.20",
					"homekitVersion": "6.3",
					"compileTime": "2025/12/08-18:16:09",
					"encrypt": 1,
					"wifiMac": "3a:07:16:e8:a6:00",
					"innerIp": "192.168.1.79",
					"server": "mqtt-eu-4.meross.com",
					"port": 443,
					"userId": 2876630
				},
				"time": {
					"timestamp": 1773903089,
					"timezone": "Europe/Paris",
					"timeRule": [
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							1679792400,
							7200,
							1
						],
						[
							1698541200,
							3600,
							0
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						[
							1824944400,
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							0
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						[
							1837645200,
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							1
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						[
							1856394000,
							3600,
							0
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						[
							1869094800,
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							1
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						[
							1887843600,
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						[
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						[
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						[
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						[
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						[
							1982797200,
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					]
				},
				"online": {
					"status": 1,
					"bindId": "vw44MizgGEQWwSh6",
					"who": 1
				}
			},
			"digest": {}
		}
	}
}'

[impulsio]

This is to correct issue #432

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[impulsio]

Any updates ?

[GuillaumeOj]

Suggested change

	if digest_data.has_key(light):
	light_data = digest_data.get('light', [])
	self._update_channel_status(channel=light_data.get('channel'),
	rgb=light_data.get('rgb'),
	luminance=light_data.get('luminance'),
	temperature=light_data.get('temperature'),
	onoff=light_data.get('onoff'))
	locally_handled = True
	if light_data := digest_data.get('light'):
	self._update_channel_status(channel=light_data.get('channel'),
	rgb=light_data.get('rgb'),
	luminance=light_data.get('luminance'),
	temperature=light_data.get('temperature'),
	onoff=light_data.get('onoff'))
	locally_handled = True

Sounds better 😺. Indeed, light is not a declared variable in this case, we try to check if 'light' is a key of digest_data. And the method has_key has been removed on Python 3. Also the walrus syntax allow a single lookup + binding.

[Araanda41]

Hey! Just a note that I opened #440, which works on this same code path (light.py -> async_handle_update).

Over there I also covered the case where digest.light comes back as a list (not just missing/empty). Might be worth comparing them before merging so we don't step on each other's toes.