improve usability of scrapelib

dump.lua

@@ -1,2 +1,2 @@
-local s = require('scrapelib')(arg[1]).Data
+local s = require('scrapelib').parseSavedVariables(arg[1]).Data
 require('pl.pretty').dump(s)

scrapelib.lua

@@ -123,11 +123,21 @@ local dataMT = {
   end,
 }
 
-return function(filename)
+local function parseDataDump(filename)
+  local data = loadstring('return ' .. require('pl.file').read(filename))
+  return setmetatable(data(), dataMT)
+end
+
+local function parseSavedVariables(filename)
   local fenv = {}
   setfenv(loadfile(filename), fenv)()
   local str = require('libdeflate'):DecompressDeflate(fenv.TheFlatDumper)
   local ret = loadstring('return ' .. str)()
   setmetatable(ret.Data, dataMT)
   return ret
 end
+
+return {
+  parseDataDump = parseDataDump,
+  parseSavedVariables = parseSavedVariables,
+}