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33 lines
1.2 KiB
33 lines
1.2 KiB
"""Discover Xiaomi Mi Home (aka Lumi) Gateways."""
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from . import MDNSDiscoverable
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from ..const import ATTR_MAC_ADDRESS, ATTR_PROPERTIES
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class Discoverable(MDNSDiscoverable):
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"""Add support for discovering Xiaomi Gateway"""
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def __init__(self, nd):
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"""Initialize the discovery."""
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super(Discoverable, self).__init__(nd, '_miio._udp.local.')
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def info_from_entry(self, entry):
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"""Return most important info from mDNS entries."""
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info = super().info_from_entry(entry)
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# Workaround of misparsing of mDNS properties. It's unclear
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# whether it's bug in zeroconf module or in the Gateway, but
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# returned properties look like:
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# {b'poch': b'0:mac=286c07aaaaaa\x00'} instead of expected:
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# {b'epoch': b'0', b'mac': '286c07aaaaaa'}
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if "poch" in info[ATTR_PROPERTIES]:
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misparsed = info[ATTR_PROPERTIES]["poch"]
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misparsed = misparsed.rstrip("\0")
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for val in misparsed.split(":"):
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if val.startswith("mac="):
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info[ATTR_MAC_ADDRESS] = val[len("mac="):]
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return info
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def get_entries(self):
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"""Return Xiaomi Gateway devices."""
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return self.find_by_device_name('lumi-gateway-')
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