local function extractElement(tag, xml, default)
    local pattern = "<"..tag..">(.*)</"..tag..">"
	local result = (xml:match(pattern) or default)
    return result
end
 
local url = "http://api.koubachi.com/v2/user/smart_devices?app_key=aaaaaaaaaaaaa&user_credentials=bbbbbbbbbbbbb"
 
local status, rss = luup.inet.wget(url, 10)
 
rss = string.gsub(rss, "-", "")

if (status == 0) then
 local temperature = extractElement("recenttemperaturereadingvalue", rss, "N/A")
 temperature = string.sub(temperature, 1 , string.len(temperature)-14)
 luup.variable_set("urn:upnp-org:serviceId:TemperatureSensor1", "CurrentTemperature", temperature, 45)
end