changed widget lib handling, pyload widget now ready to use

helpers.lua

@@ -1,25 +1,10 @@
--- some things copied from vicious' helper
+-- helper functions
 
-local rawget = rawget
 local helpers = {}
 
--- {{{ Loader for knorke modules
-function helpers.wrequire(table, key)
-	local module = rawget(table, key)
-	return module or require(table._NAME .. "." .. key)
+-- substitutes parts from format_string of the form ${var} with the value from sub_table with the key "var"
+function helpers.sub_format_string(format_string, sub_table)
+	return string.gsub(format_string, "%${(%w+)}", sub_table)
 end
--- }}}
-
--- {{ Format a string with args
-function helpers.format(format, args)
-	for var, val in pairs(args) do
-		format = format:gsub("$" .. (tonumber(var) and var or
-			var:gsub("[-+?*]", function(i) return "%"..i end)),
-		val)
-	end
-
-	return format
-end
--- }}}
 
 return helpers