72 lines
2.3 KiB
Python
72 lines
2.3 KiB
Python
import json
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import re
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from HCSocket import now
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def decamelcase(str):
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split = re.findall(r'[A-Z](?:[a-z]+|[A-Z]*(?=[A-Z]|$))', str)
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return f"{split[0]} {' '.join(split[1:]).lower()}".strip()
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HA_DISCOVERY_PREFIX = "homeassistant"
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def publish_ha_discovery(device, client, mqtt_topic):
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print(f"{now()} Publishing HA discovery for {device}")
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device_ident = device["host"]
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device_name = device["name"]
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device_description = device.get("description", {})
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version_parts = filter(
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lambda d : d is not None,
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[
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device_description.get("version"),
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device_description.get("revision")
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]
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)
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device_info = {
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"identifiers": [device_ident],
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"name": device_name,
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"manufacturer": device_description.get("brand"),
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"model": device_description.get("model"),
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"sw_version": ".".join(version_parts)
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}
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for feature in device["features"].values():
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name_parts = feature["name"].split(".")
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name = name_parts[-1]
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feature_type = name_parts[-2]
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access = feature.get("access", "none")
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available = feature.get("available", False)
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if (feature_type == "Setting" and available and (access == "read" or access == "readWrite")) or \
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feature_type == "Event" or \
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feature_type == "Option":
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component_type = "binary_sensor" if feature_type == "Event" else "sensor" # TODO use more appropriate types
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discovery_topic = f"{HA_DISCOVERY_PREFIX}/{component_type}/hcpy/{device_ident}_{name}/config"
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# print(discovery_topic, state_topic)
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discovery_payload = {
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"name": decamelcase(name),
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"device": device_info,
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"state_topic": f"{mqtt_topic}/state",
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# "availability_topic": f"{mqtt_topic}/LWT",
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"value_template": "{{value_json." + name + "}}",
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"object_id": f"{device_ident}_{name}",
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"unique_id": f"{device_ident}_{name}",
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}
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if component_type == "binary_sensor":
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discovery_payload["payload_on"] = "On"
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discovery_payload["payload_off"] = "Off"
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print(discovery_topic)
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# print(discovery_payload)
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client.publish(discovery_topic, json.dumps(discovery_payload), retain=True)
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