--[[  @author d:User:Legoktm  This template automatically adds the Wikipedia link to the sidebar if it exists in Wikidata  @version 0.1en.voy If this template is copied to other sites, please try and copy all edits back to the main one on en.voy  ]]--   local p = {}  function p.wplink(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          -- do some exemption checking...     local text = mw.title.getCurrentTitle():getContent()     if string.find(text, "{{noexternallinks}}") then         return "" -- they dont want any wikidata stuff     end          -- this part is rather hacky, but it works... I think.     -- note that this doesn't check links like nost or tenwiki     text = string.lower(text);     if string.find(text, "%[%[wikipedia:") then         return ""     end     if string.find(text, "%[%[w:") then         return ""     end          local entity = mw.wikibase.getEntityObject()     if not entity then -- no Wikidata item         return "" -- we could add a tracking category here if we wanted...     end     local sitelinks = entity.sitelinks -- this will always be populated since it's a connected item :P     local langcode = mw.getContentLanguage():getCode();     local dbname = langcode.gsub('-', '_') .. "wiki"     local hasLink = sitelinks[dbname]     if not hasLink then         return "" -- no wikipedia link in that language     end     local link = hasLink.title     return "[[wikipedia:" .. link .. "]]" end  return p