モジュールの解説[作成]
local p = {}

function p._wikidatacheck(config)
	local property = config.property
	local value = config.value or ""
	local catbase = config.category
	local namespaces = config.namespaces
	local nocatsame = config.nocatsame or ""
	local qid = config.qid or ""
	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
	if qid == "" then
		entity = mw.wikibase.getEntityObject()
	else
		entity = mw.wikibase.getEntityObject(qid)
	end
	if not entity then -- no Wikidata item
		return "[[Category:ウィキデータにない" .. catbase .. "]]"
	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:ウィキデータにない" .. catbase .. "]]" -- 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 or {}).value
		if propValue == value then
			if nocatsame == "" then
				return "[[Category:ウィキデータにある" .. catbase .. "]]" -- yay!
			else
				return nil -- if nocatsame, the "same as" category is not added
			end
		end
	end
	return "[[Category:ウィキデータと異なる" .. catbase .. "]]" -- needs human review :(
end

function p.wikidatacheck(frame)
	return p._wikidatacheck(frame.args)
end

return p