wikidatacheck

local p = {}  function p.wikidatacheck(frame)     local pframe = frame:getParent()     local config = frame.args -- the arguments passed BY the template, in the wikitext of the template itself     local args = pframe.args -- the arguments passed TO the template, in the wikitext that transcludes the template          local property = config.property     local value = config.value or ""     local catbase = config.category     local namespaces = config.namespaces     local ok = false -- one-way flag to check if we're in a good namespace     local ns = mw.title.getCurrentTitle().namespace     for v in mw.text.gsplit( namespaces, ",", true) do         if tonumber(v) == ns then             ok = true         end     end     if not ok then -- not in one of the approved namespaces         return ""     end     local entity = mw.wikibase.getEntityObject()     if not entity then -- no Wikidata item         return "[[Category:" .. catbase .. " not in Wikidata]]"     end   if value == "" then        return nil -- Using Wikidata end     local claims = entity.claims or {}     local hasProp = claims[property]     if not hasProp then -- no claim of that property         return "[[Category:" .. catbase .. " not in Wikidata]]" -- bad. Bot needs to add the property     end     for i, v in ipairs(hasProp) do-- Now we try to iterate over all possible values?     propValue = v.mainsnak.datavalue.value     if propValue == value then         return "[[Category:" .. catbase .. " same as Wikidata]]" -- yay!     end end     return "[[Category:" .. catbase .. " different from Wikidata]]" -- needs human review :( end  return p