local pairs, ipairs = pairs, ipairs;
local char = string.char;
local loadfile, setfenv, pcall = loadfile, setfenv, pcall;
-local log = log;
+local log = require "util.logger".init("datamanager");
local io_open = io.open;
local os_remove = os.remove;
local tostring, tonumber = tostring, tonumber;
---- utils -----
local encode, decode;
-local log = function (type, msg) return log(type, "datamanager", msg); end
-
do
local urlcodes = setmetatable({}, { __index = function (t, k) t[k] = char(tonumber("0x"..k)); return t[k]; end });