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"""Discover Axis devices."""
from . import MDNSDiscoverable
from ..const import (
ATTR_HOST, ATTR_PORT, ATTR_HOSTNAME, ATTR_PROPERTIES)
class Discoverable(MDNSDiscoverable):
"""Add support for discovering Axis devices."""
def info_from_entry(self, entry):
"""Return most important info from mDNS entries."""
properties = {}
for key, value in entry.properties.items():
if isinstance(value, bytes):
value = value.decode('utf-8')
properties[key.decode('utf-8')] = value
return {
ATTR_HOST: self.ip_from_host(entry.server),
ATTR_PORT: entry.port,
ATTR_HOSTNAME: entry.server,
ATTR_PROPERTIES: properties,
}
def __init__(self, nd):
"""Initialize the Axis discovery."""
super(Discoverable, self).__init__(nd, '_axis-video._tcp.local.')
def ip_from_host(self, host):
"""Attempt to return the ip address from an mDNS host.
Return host if failed.
"""
ips = self.netdis.mdns.zeroconf.cache.entries_with_name(host.lower())
try:
return repr(ips[0]) if ips else host
except TypeError:
return host
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