changed widget lib handling, pyload widget now ready to use

pyload.lua

@@ -0,0 +1,70 @@
+-- TODO: support https
+-- TODO: more info from api (see: https://github.com/pyload/pyload/blob/stable/module/Api.py)
+-- TODO: provide icon
+-- TODO: flashing on captcha request and open webinterface on click
+local setmetatable = setmetatable
+local io = { popen = io.popen }
+
+local wibox = require("wibox")
+
+local helpers = require("knorke.helpers")
+local json = require("knorke.json")
+
+local pyload = { mt = {} }
+local thiswidget = wibox.widget.textbox()
+
+-- all values in returned table are converted to string values
+local function get_state(plhost, plport, pluser, plpasswd)
+	local pyload_state = {
+		["pause"] = "N/A",	-- boolean
+--		["captcha"] = "N/A",	-- boolean available in /json/status
+		["queue"] = "N/A",	-- integer
+		["download"] = "N/A",	-- boolean
+		["reconnect"] = "N/A",	-- boolean
+		["active"] = "N/A",	-- integer
+		["total"] = "N/A",	-- integer
+		["speed"] = "N/A"	-- float
+	}
+
+	-- first argument host, second port - with fallback to localhost:8000
+	local host = plhost or "127.0.0.1"
+	local port = plport or "8000"
+	local username = pluser or ""
+	local password = plpasswd or ""
+
+	local loginurl = "http://" .. host .. ":" .. port .. "/api/login"
+	local statusurl = "http://" .. host .. ":" .. port .. "/api/statusServer"
+	-- the /json/status url needs activated webinterface
+	
+	-- the cookie from login will be passed to the secound curl command via pipe
+	local json_string = io.popen("curl --connect-timeout 1 -fsm 3 --data \"username=" .. username .. "&password=" .. password .. "\" --cookie-jar - " .. loginurl .. " | curl --connect-timeout 1 -fsm 3 --cookie - " .. statusurl)
+	for k, v in pairs(json.decode(json_string:read())) do
+	--	if k == "pause" then
+		pyload_state[k] = tostring(v)
+	end
+	json_string:close()
+
+	return pyload_state
+end
+
+local function update_data(args)
+	state = get_state(args.host, args.port, args.user, args.passwd)
+	thiswidget:set_text(helpers.sub_format_string(args.format, state))
+end
+
+local function setup_update(args)
+	mytimer = timer({timeout = tonumber(args.timeout)})
+	mytimer:connect_signal("timeout", function() update_data(args) end)
+	mytimer:start()
+end
+
+function pyload.new(args)
+	thiswidget.update = setup_update(args)
+	return thiswidget
+end
+
+function pyload.mt:__call(...)
+	return pyload.new(...)
+end
+
+return setmetatable(pyload, pyload.mt)