-- Module:Wikibase function getId( id )     if not mw.wikibase then            return "wikibase module not found"     end          if id then return id end          entity = mw.wikibase.getEntity()     if not entity then return nil end     return entity.id end  -- Returns the link corresponding to the code provided. function sitelink(dbname)     if dbname==nil or dbname=='' then         return ''     end     local sl = mw.wikibase.getEntity()     if sl and sl.sitelinks[dbname] then         return sl.sitelinks[dbname].title     end     return '' end  -- Returns the corresponding geographical coordinates of the item function coords(typ,fallback)     if fallback~=nil and fallback~='' and string.match(fallback, '^<%!%-%-.*%-%->$')==nil then         return fallback     end     local item = mw.wikibase.getEntity()     if item~=nil and item.claims~=nil then         local coords = item.claims.p625         if coords~=nil and coords[0]~=nil and coords[1]==nil then             return coords[0].mainsnak.datavalue.value[typ]         end     end     return '' end  -- Returns the most updated info from a series of statements function updated(item,prop,frame)     if item~=nil then         local claims = item.claims         if claims~=nil and claims[prop]~=nil then             for index,claim in pairs(claims[prop]) do                 local qual = claim.qualifiers                 if qual==nil or qual.p582==nil then                     -- p582 è la data di fine, significa che non è il valore attuale                     local val = claim.mainsnak.datavalue.value                     if val['numeric-id']~=nil then                         local id = 'Q'..val['numeric-id']                         local sl = mw.wikibase.sitelink(id)                         local lb = mw.wikibase.label(id)                         if sl~=nil and sl~='' then                             return frame:preprocess('[['..sl..'|'..lb..']]')                         end                         return lb                     end                     return val                 end             end         end     end     return '' end  local p = {}  -- Returns the ID number of the data item linked to the current page. function p.id(frame)     id = getId(frame.args[1])     if id == nil then            return "(no element found)"     end     return id end   -- Returns the ID number of the data item linked to the current page in the form of a link to Wikidata. function p.idLink(frame)     id = getId(frame.args[1])     if id == nil then            return "(no element found)"     end     return "[[d:" .. id .. "|" .. string.upper(id) .. "]]" end   -- Returns the label of the data item. function p.label(frame)     id = getId(frame.args[1])     if id == nil then            return "(no element found)"     end     return mw.wikibase.label( id ) end   -- Returns the local page of the data item provided. function p.page(frame)     id = getId(frame.args[1])     if id == nil then            return "(no element found)"     end     return mw.wikibase.sitelink( id ) end  -- Returns the link corresponding to the code provided. function p.sitelink(frame)     return sitelink(frame.args.dbname or frame.args[1]) end  -- Returns the corresponding link to Wikipedia in Polish. function p.plwikilink(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return frame.args[1]     end     local sl = sitelink('plwiki')     if sl~=nil and sl~='' then         return sl     end     local t = mw.title.getCurrentTitle().text     if t~=nil and t~='' then         return t     end     return '' end  -- Returns the Commons category of the data item. function p.commonslink(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return 'Category:'..frame.args[1]     end     local item = mw.wikibase.getEntity()     if item~=nil and item.claims~=nil then         local cat = item.claims.p373         if cat~=nil and cat[0]~=nil and cat[1]==nil and cat[0].mainsnak.datavalue.value~=nil then             return 'Category:'..(cat[0].mainsnak.datavalue.value)         end     end     local t = mw.title.getCurrentTitle().text     if t~=nil and t~='' then         return 'Category:'..t     end     return '' end  -- Returns the name of the capital or main city. function p.capital(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return frame.args[1]     end     local item = mw.wikibase.getEntity()     return updated(item,'p36',frame) end  function p.capoluogo(frame)     return p.capital(frame) end  function p.valuta(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return frame.args[1]     end     local item = mw.wikibase.getEntity()     return updated(item,'p38',frame) end  function p.flag(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return frame.args[1]     end     local item = mw.wikibase.getEntity()     return updated(item,'p41',frame) end  -- Restituisce l'etichetta dell'elemento rappresentante la bandiera relativa all'elemento dell'articolo function p.bandiera_titolo(frame)     local item = mw.wikibase.getEntity()     if item~=nil then         local claims = item.claims         if claims~=nil and claims.p163~=nil and claims.p163[0]~=nil and claims.p163[1]==nil then             return mw.wikibase.label('Q'..claims.p163[0].mainsnak.datavalue.value['numeric-id'])         end     end     return mw.title.getCurrentTitle().text..' - Bandiera' end  -- Restituisce la latitudine corrispondente all'articolo. function p.latitude(frame)     return coords('latitude',frame.args[1]) end  -- Restituisce la longitudine corrispondente all'articolo. function p.longitude(frame)     return coords('longitude',frame.args[1]) end  function p.site(frame)     if frame.args[1]~=nil and frame.args[1]~='' then         return frame.args[1]     end     local parent = frame:getParent()     if parent.args.Site~=nil and parent.args.Site~='' then         return parent.args.Site     end     if parent.args['Strona internetowa']~=nil and parent.args['Strona internetowa']~='' then         return parent.args['Strona internetowa']     end     local item = mw.wikibase.getEntity()     return aggiornato(item,'p856',frame) end  function p.disambig(frame) 	local item = mw.wikibase.getEntity() 	if item~=nil and item.descriptions~=nil then 		local desc = item.descriptions.en 		if desc~=nil and desc.value~=nil and desc.value:lower():find('disambiguation page')~=nil then 			return true 		end 	end 	return false end  function p.instanceof(frame) 	local arg = tonumber(frame.args[1]) 	local item = mw.wikibase.getEntity() 	if item~=nil and item.claims~=nil and item.claims.p31~=nil then 		local claims=item.claims.p31 		for index,claim in pairs(claims) do 			if claim.mainsnak~=nil and claim.mainsnak.datavalue~=nil then 				local val = claim.mainsnak.datavalue.value 				if val~=nil and val['numeric-id']~=nil and arg==val['numeric-id'] then 					return true 				end 			end 		end 	end 	return false end  return p