모듈:위키데이터IB

-- Version: 2023-07-10 -- Module to implement use of a blacklist and whitelist for infobox fields -- Can take a named parameter  qid which is the Wikidata ID for the article -- if not supplied, it will use the Wikidata ID associated with the current page. -- Fields in blacklist are never to be displayed, i.e. module must return nil in all circumstances -- Fields in whitelist return local value if it exists or the Wikidata value otherwise -- The name of the field that this function is called from is passed in named parameter  name -- The name is compulsory when blacklist or whitelist is used, -- so the module returns nil if it is not supplied. -- blacklist is passed in named parameter  suppressfields (or  spf) -- whitelist is passed in named parameter  fetchwikidata (or  fwd)  require("strict") local p = {}  local cdate -- initialise as nil and only load _complex_date function if needed -- Module:Complex date is loaded lazily and has the following dependencies: -- Module:Calendar -- Module:ISOdate -- Module:DateI18n -- Module:I18n/complex date -- Module:Ordinal -- Module:I18n/ordinal -- Module:Yesno -- Module:Formatnum -- Module:Linguistic -- -- The following, taken from https://www.mediawiki.org/wiki/Wikibase/DataModel#Dates_and_times, -- is needed to use Module:Complex date which seemingly requires date precision as a string. -- It would work better if only the authors of the mediawiki page could spell 'millennium'. local dp = {  [6] = "millennium",  [7] = "century",  [8] = "decade",  [9] = "year",  [10] = "month",  [11] = "day", }  local i18n = {  ["errors"] =  {   ["property-not-found"] = "Property not found.",   ["No property supplied"] = "No property supplied",   ["entity-not-found"] = "Wikidata entity not found.",   ["unknown-claim-type"] = "Unknown claim type.",   ["unknown-entity-type"] = "Unknown entity type.",   ["qualifier-not-found"] = "Qualifier not found.",   ["site-not-found"] = "Wikimedia project not found.",   ["labels-not-found"] = "No labels found.",   ["descriptions-not-found"] = "No descriptions found.",   ["aliases-not-found"] = "No aliases found.",   ["unknown-datetime-format"] = "Unknown datetime format.",   ["local-article-not-found"] = "Article is available on Wikidata, but not on Wikipedia",   ["dab-page"] = " (dab)",  },  ["months"] =  {   "January", "February", "March", "April", "May", "June",   "July", "August", "September", "October", "November", "December"  },  ["century"] = "century",  ["BC"] = "BC",  ["BCE"] = "BCE",  ["ordinal"] =  {   [1] = "st",   [2] = "nd",   [3] = "rd",   ["default"] = "th"  },  ["filespace"] = "File",  ["Unknown"] = "Unknown",  ["NaN"] = "Not a number",  -- set the following to the name of a tracking category,  -- e.g. "[[Category:Articles with missing Wikidata information]]", or "" to disable:  ["missinginfocat"] = "[[Category:Articles with missing Wikidata information]]",  ["editonwikidata"] = "Edit this on Wikidata",  ["latestdatequalifier"] = function (date) return "before " .. date end,  -- some languages, e.g. Bosnian use a period as a suffix after each number in a date  ["datenumbersuffix"] = "",  ["list separator"] = ", ",  ["multipliers"] = {   [0]  = "",   [3]  = " thousand",   [6]  = " million",   [9]  = " billion",   [12] = " trillion",  } } -- This allows an internationisation module to override the above table if 'en' ~= mw.getContentLanguage():getCode() then  require("Module:i18n").loadI18n("Module:WikidataIB/i18n", i18n) end  -- This piece of html implements a collapsible container. Check the classes exist on your wiki. local collapsediv = '<div class="mw-collapsible mw-collapsed" style="width:100%; overflow:auto;" data-expandtext="{{int:show}}" data-collapsetext="{{int:hide}}">'  -- Some items should not be linked. -- Each wiki can create a list of those in Module:WikidataIB/nolinks -- It should return a table called itemsindex, containing true for each item not to be linked local donotlink = {} local nolinks_exists, nolinks = pcall(mw.loadData, "Module:WikidataIB/nolinks") if nolinks_exists then  donotlink = nolinks.itemsindex end  -- To satisfy Wikipedia:Manual of Style/Titles, certain types of items are italicised, and others are quoted. -- The submodule [[Module:WikidataIB/titleformats]] lists the entity-ids used in 'instance of' (P31), -- which allows this module to identify the values that should be formatted. -- WikidataIB/titleformats exports a table p.formats, which is indexed by entity-id, and contains the value " or '' local formats = {} local titleformats_exists, titleformats = pcall(mw.loadData, "Module:WikidataIB/titleformats") if titleformats_exists then  formats = titleformats.formats end  ------------------------------------------------------------------------------- -- Private functions ------------------------------------------------------------------------------- -- ------------------------------------------------------------------------------- -- makeOrdinal needs to be internationalised along with the above: -- takes cardinal number as a numeric and returns the ordinal as a string -- we need three exceptions in English for 1st, 2nd, 3rd, 21st, .. 31st, etc. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local makeOrdinal = function(cardinal)  local ordsuffix = i18n.ordinal.default  if cardinal % 10 == 1 then   ordsuffix = i18n.ordinal[1]  elseif cardinal % 10 == 2 then   ordsuffix = i18n.ordinal[2]  elseif cardinal % 10 == 3 then   ordsuffix = i18n.ordinal[3]  end  -- In English, 1, 21, 31, etc. use 'st', but 11, 111, etc. use 'th'  -- similarly for 12 and 13, etc.  if (cardinal % 100 == 11) or (cardinal % 100 == 12) or (cardinal % 100 == 13) then   ordsuffix = i18n.ordinal.default  end  return tostring(cardinal) .. ordsuffix end   ------------------------------------------------------------------------------- -- findLang takes a "langcode" parameter if supplied and valid -- otherwise it tries to create it from the user's set language ({{int:lang}}) -- failing that it uses the wiki's content language. -- It returns a language object ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local findLang = function(langcode)  local langobj  langcode = mw.text.trim(langcode or "")  if mw.language.isKnownLanguageTag(langcode) then   langobj = mw.language.new( langcode )  else   langcode = mw.getCurrentFrame():callParserFunction('int', {'lang'})   if mw.language.isKnownLanguageTag(langcode) then    langobj = mw.language.new( langcode )   else    langobj = mw.language.getContentLanguage()   end  end  return langobj end   ------------------------------------------------------------------------------- -- _getItemLangCode takes a qid parameter (using the current page's qid if blank) -- If the item for that qid has property country (P17) it looks at the first preferred value -- If the country has an official language (P37), it looks at the first preferred value -- If that official language has a language code (P424), it returns the first preferred value -- Otherwise it returns nothing. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local _getItemLangCode = function(qid)  qid = mw.text.trim(qid or ""):upper()  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return end  local prop17 = mw.wikibase.getBestStatements(qid, "P17")[1]  if not prop17 or prop17.mainsnak.snaktype ~= "value" then return end  local qid17 = prop17.mainsnak.datavalue.value.id  local prop37 = mw.wikibase.getBestStatements(qid17, "P37")[1]  if not prop37 or prop37.mainsnak.snaktype ~= "value" then return end  local qid37 = prop37.mainsnak.datavalue.value.id  local prop424 = mw.wikibase.getBestStatements(qid37, "P424")[1]  if not prop424 or prop424.mainsnak.snaktype ~= "value" then return end  return prop424.mainsnak.datavalue.value end   ------------------------------------------------------------------------------- -- roundto takes a number (x) -- and returns it rounded to (sf) significant figures ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local roundto = function(x, sf)  if x == 0 then return 0 end  local s = 1  if x < 0 then   x = -x   s = -1  end  if sf < 1 then sf = 1 end  local p = 10 ^ (math.floor(math.log10(x)) - sf + 1)  x = math.floor(x / p + 0.5) * p * s  -- if it's integral, cast to an integer:  if x == math.floor(x) then x = math.floor(x) end  return x end   ------------------------------------------------------------------------------- -- decimalToDMS takes a decimal degrees (x) with precision (p) -- and returns degrees/minutes/seconds according to the precision ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local decimalToDMS = function(x, p)  -- if p is not supplied, use a precision around 0.1 seconds  if not tonumber(p) then p = 1e-4 end  local d = math.floor(x)  local ms = (x - d) * 60  if p > 0.5 then -- precision is > 1/2 a degree   if ms > 30 then d = d + 1 end   ms = 0  end  local m = math.floor(ms)  local s = (ms - m) * 60  if p > 0.008 then -- precision is > 1/2 a minute   if s > 30 then m = m +1 end   s = 0  elseif p > 0.00014 then -- precision is > 1/2 a second   s = math.floor(s + 0.5)  elseif p > 0.000014 then -- precision is > 1/20 second   s = math.floor(10 * s + 0.5) / 10  elseif p > 0.0000014 then -- precision is > 1/200 second   s = math.floor(100 * s + 0.5) / 100  else -- cap it at 3 dec places for now   s = math.floor(1000 * s + 0.5) / 1000  end  return d, m, s end   ------------------------------------------------------------------------------- -- decimalPrecision takes a decimal (x) with precision (p) -- and returns x rounded approximately to the given precision -- precision should be between 1 and 1e-6, preferably a power of 10. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local decimalPrecision = function(x, p)  local s = 1  if x < 0 then   x = -x   s = -1  end  -- if p is not supplied, pick an arbitrary precision  if not tonumber(p) then p = 1e-4  elseif p > 1 then p = 1  elseif p < 1e-6 then p = 1e-6  else p = 10 ^ math.floor(math.log10(p))  end  x = math.floor(x / p + 0.5) * p * s  -- if it's integral, cast to an integer:  if  x == math.floor(x) then x = math.floor(x) end  -- if it's less than 1e-4, it will be in exponent form, so return a string with 6dp  -- 9e-5 becomes 0.000090  if math.abs(x) < 1e-4 then x = string.format("%f", x) end  return x end   ------------------------------------------------------------------------------- -- formatDate takes a datetime of the usual format from mw.wikibase.entity:formatPropertyValues -- like "1 August 30 BCE" as parameter 1 -- and formats it according to the df (date format) and bc parameters -- df = ["dmy" / "mdy" / "y"] default will be "dmy" -- bc = ["BC" / "BCE"] default will be "BCE" ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local format_Date = function(datetime, dateformat, bc)  local datetime = datetime or "1 August 30 BCE" -- in case of nil value  -- chop off multiple vales and/or any hours, mins, etc.  -- keep anything before punctuation - we just want a single date:  local dateval = string.match( datetime, "[%w ]+")   local dateformat = string.lower(dateformat or "dmy") -- default to dmy   local bc = string.upper(bc or "") -- can't use nil for bc  -- we only want to accept two possibilities: BC or default to BCE  if bc == "BC" then   bc = "&nbsp;" .. i18n["BC"] -- prepend a non-breaking space.  else   bc = "&nbsp;" .. i18n["BCE"]  end   local postchrist = true -- start by assuming no BCE  local dateparts = {}  for word in string.gmatch(dateval, "%w+") do   if word == "BCE" or word == "BC" then -- *** internationalise later ***    postchrist = false   else    -- we'll keep the parts that are not 'BCE' in a table    dateparts[#dateparts + 1] = word   end  end  if postchrist then bc = "" end -- set AD dates to no suffix *** internationalise later ***   local sep = "&nbsp;" -- separator is nbsp  local fdate = table.concat(dateparts, sep) -- set formatted date to same order as input   -- if we have day month year, check dateformat  if #dateparts == 3 then   if dateformat == "y" then    fdate = dateparts[3]   elseif dateformat == "mdy" then    fdate = dateparts[2] .. sep .. dateparts[1] .. "," .. sep .. dateparts[3]   end  elseif #dateparts == 2 and dateformat == "y" then   fdate = dateparts[2]  end   return fdate .. bc end   ------------------------------------------------------------------------------- -- dateFormat is the handler for properties that are of type "time" -- It takes timestamp, precision (6 to 11 per mediawiki), dateformat (y/dmy/mdy), BC format (BC/BCE), -- a plaindate switch (yes/no/adj) to en/disable "sourcing circumstances"/use adjectival form, -- any qualifiers for the property, the language, and any adjective to use like 'before'. -- It passes the date through the "complex date" function -- and returns a string with the internatonalised date formatted according to preferences. ------------------------------------------------------------------------------- -- Dependencies: findLang(); cdate(); dp[] ------------------------------------------------------------------------------- local dateFormat = function(timestamp, dprec, df, bcf, pd, qualifiers, lang, adj, model)  -- output formatting according to preferences (y/dmy/mdy/ymd)  df = (df or ""):lower()  -- if ymd is required, return the part of the timestamp in YYYY-MM-DD form  -- but apply Year zero#Astronomers fix: 1 BC = 0000; 2 BC = -0001; etc.  if df == "ymd" then   if timestamp:sub(1,1) == "+" then    return timestamp:sub(2,11)   else    local yr = tonumber(timestamp:sub(2,5)) - 1    yr = ("000" .. yr):sub(-4)    if yr ~= "0000" then yr = "-" .. yr end    return yr .. timestamp:sub(6,11)   end  end  -- A year can be stored like this: "+1872-00-00T00:00:00Z",  -- which is processed here as if it were the day before "+1872-01-01T00:00:00Z",  -- and that's the last day of 1871, so the year is wrong.  -- So fix the month 0, day 0 timestamp to become 1 January instead:  timestamp = timestamp:gsub("%-00%-00T", "-01-01T")  -- just in case date precision is missing  dprec = dprec or 11  -- override more precise dates if required dateformat is year alone:  if df == "y" and dprec > 9 then dprec = 9 end  -- complex date only deals with precisions from 6 to 11, so clip range  dprec = dprec>11 and 11 or dprec  dprec = dprec<6 and 6 or dprec  -- BC format is "BC" or "BCE"  bcf = (bcf or ""):upper()  -- plaindate only needs the first letter (y/n/a)  pd = (pd or ""):sub(1,1):lower()  if pd == "" or pd == "n" or pd == "f" or pd == "0" then pd = false end  -- in case language isn't passed  lang = lang or findLang().code  -- set adj as empty if nil  adj = adj or ""  -- extract the day, month, year from the timestamp  local bc = timestamp:sub(1, 1)=="-" and "BC" or ""  local year, month, day = timestamp:match("[+-](%d*)-(%d*)-(%d*)T")  local iso = tonumber(year) -- if year is missing, let it throw an error  -- this will adjust the date format to be compatible with cdate  -- possible formats are Y, YY, YYY0, YYYY, YYYY-MM, YYYY-MM-DD  if dprec == 6 then iso = math.floor( (iso - 1) / 1000 ) + 1 end  if dprec == 7 then iso = math.floor( (iso - 1) / 100 ) + 1 end  if dprec == 8 then iso = math.floor( iso / 10 ) .. "0" end  if dprec == 10 then iso = year .. "-" .. month end  if dprec == 11 then iso = year .. "-" .. month .. "-" .. day end  -- add "circa" (Q5727902) from "sourcing circumstances" (P1480)  local sc = not pd and qualifiers and qualifiers.P1480  if sc then   for k1, v1 in pairs(sc) do    if v1.datavalue and v1.datavalue.value.id == "Q5727902" then     adj = "circa"     break    end   end  end  -- deal with Julian dates:  -- no point in saying that dates before 1582 are Julian - they are by default  -- doesn't make sense for dates less precise than year  -- we can suppress it by setting  plaindate, e.g. for use in constructing categories.  local calendarmodel = ""  if tonumber(year) > 1582   and dprec > 8   and not pd   and model == "http://www.wikidata.org/entity/Q1985786" then   calendarmodel = "julian"  end  if not cdate then   cdate = require("Module:Complex date")._complex_date  end  local fdate = cdate(calendarmodel, adj, tostring(iso), dp[dprec], bc, "", "", "", "", lang, 1)  -- this may have QuickStatements info appended to it in a div, so remove that  fdate = fdate:gsub(' <div style="display: none;">[^<]*</div>', '')  -- it may also be returned wrapped in a microformat, so remove that  fdate = fdate:gsub("<[^>]*>", "")  -- there may be leading zeros that we should remove  fdate = fdate:gsub("^0*", "")  -- if a plain date is required, then remove any links (like BC linked)  if pd then   fdate = fdate:gsub("%[%[.* ", ""):gsub("]]", "")  end  -- if 'circa', use the abbreviated form *** internationalise later ***  fdate = fdate:gsub('circa ', '<abbr title="circa">c.</abbr>&nbsp;')  -- deal with BC/BCE  if bcf == "BCE" then   fdate = fdate:gsub('BC', 'BCE')  end  -- deal with mdy format  if df == "mdy" then   fdate = fdate:gsub("(%d+) (%w+) (%d+)", "%2 %1, %3")  end  -- deal with adjectival form *** internationalise later ***  if pd == "a" then   fdate = fdate:gsub(' century', '-century')  end  return fdate end   ------------------------------------------------------------------------------- -- parseParam takes a (string) parameter, e.g. from the list of frame arguments, -- and makes "false", "no", and "0" into the (boolean) false -- it makes the empty string and nil into the (boolean) value passed as default -- allowing the parameter to be true or false by default. -- It returns a boolean. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local parseParam = function(param, default)  if type(param) == "boolean" then param = tostring(param) end  if param and param ~= "" then   param = param:lower()   if (param == "false") or (param:sub(1,1) == "n") or (param == "0") then    return false   else    return true   end  else   return default  end end   ------------------------------------------------------------------------------- -- _getSitelink takes the qid of a Wikidata entity passed as  qid= -- It takes an optional parameter  wiki= to determine which wiki is to be checked for a sitelink -- If the parameter is blank, then it uses the local wiki. -- If there is a sitelink to an article available, it returns the plain text link to the article -- If there is no sitelink, it returns nil. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local _getSitelink = function(qid, wiki)  qid = (qid or ""):upper()  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return nil end  wiki = wiki or ""  local sitelink  if wiki == "" then   sitelink = mw.wikibase.getSitelink(qid)  else   sitelink = mw.wikibase.getSitelink(qid, wiki)  end  return sitelink end   ------------------------------------------------------------------------------- -- _getCommonslink takes an optional qid of a Wikidata entity passed as  qid= -- It returns one of the following in order of preference: --  the Commons sitelink of the Wikidata entity - but not if onlycat=true and it's not a category; --  the Commons sitelink of the topic's main category of the Wikidata entity; --  the Commons category of the Wikidata entity - unless fallback=false. ------------------------------------------------------------------------------- -- Dependencies: _getSitelink(); parseParam() ------------------------------------------------------------------------------- local _getCommonslink = function(qid, onlycat, fallback)  qid = (qid or ""):upper()  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return nil end  onlycat = parseParam(onlycat, false)  if fallback == "" then fallback = nil end  local sitelink = _getSitelink(qid, "commonswiki")  if onlycat and sitelink and sitelink:sub(1,9) ~= "Category:" then sitelink = nil end  if not sitelink then   -- check for topic's main category   local prop910 = mw.wikibase.getBestStatements(qid, "P910")[1]   if prop910 then    local tmcid = prop910.mainsnak.datavalue and prop910.mainsnak.datavalue.value.id    sitelink = _getSitelink(tmcid, "commonswiki")   end   if not sitelink then    -- check for list's main category    local prop1754 = mw.wikibase.getBestStatements(qid, "P1754")[1]    if prop1754 then     local tmcid = prop1754.mainsnak.datavalue and prop1754.mainsnak.datavalue.value.id     sitelink = _getSitelink(tmcid, "commonswiki")    end   end  end  if not sitelink and fallback then   -- check for Commons category (string value)   local prop373 = mw.wikibase.getBestStatements(qid, "P373")[1]   if prop373 then    sitelink = prop373.mainsnak.datavalue and prop373.mainsnak.datavalue.value    if sitelink then sitelink = "Category:" .. sitelink end   end  end  return sitelink end   ------------------------------------------------------------------------------- -- The label in a Wikidata item is subject to vulnerabilities -- that an attacker might try to exploit. -- It needs to be 'sanitised' by removing any wikitext before use. -- If it doesn't exist, return the id for the item -- a second (boolean) value is also returned, value is true when the label exists ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local labelOrId = function(id, lang)  if lang == "default" then lang = findLang().code end  local label  if lang then   label = mw.wikibase.getLabelByLang(id, lang)  else   label = mw.wikibase.getLabel(id)  end  if label then   return mw.text.nowiki(label), true  else   return id, false  end end   ------------------------------------------------------------------------------- -- linkedItem takes an entity-id and returns a string, linked if possible. -- This is the handler for "wikibase-item". Preferences: -- 1. Display linked disambiguated sitelink if it exists -- 2. Display linked label if it is a redirect -- 3. TBA: Display an inter-language link for the label if it exists other than in default language -- 4. Display unlinked label if it exists -- 5. Display entity-id for now to indicate a label could be provided -- dtxt is text to be used instead of label, or nil. -- shortname is boolean switch to use P1813 (short name) instead of label if true. -- lang is the current language code. -- uselbl is boolean switch to force display of the label instead of the sitelink (default: false) -- linkredir is boolean switch to allow linking to a redirect (default: false) -- formatvalue is boolean switch to allow formatting as italics or quoted (default: false) ------------------------------------------------------------------------------- -- Dependencies: labelOrId(); donotlink[] ------------------------------------------------------------------------------- local linkedItem = function(id, args)  local lprefix = (args.lp or args.lprefix or args.linkprefix or ""):gsub('"', '') -- toughen against nil values passed  local lpostfix = (args.lpostfix or ""):gsub('"', '')  local prefix = (args.prefix or ""):gsub('"', '')  local postfix = (args.postfix or ""):gsub('"', '')  local dtxt = args.dtxt  local shortname = args.shortname or args.sn  local lang = args.lang or "en" -- fallback to default if missing  local uselbl = args.uselabel or args.uselbl  uselbl = parseParam(uselbl, false)  local linkredir = args.linkredir  linkredir = parseParam(linkredir, false)  local formatvalue = args.formatvalue or args.fv  formatvalue = parseParam(formatvalue, false)  -- see if item might need italics or quotes  local fmt = ""  if next(formats) and formatvalue then   for k, v in ipairs( mw.wikibase.getBestStatements(id, "P31") ) do    if v.mainsnak.datavalue and formats[v.mainsnak.datavalue.value.id] then     fmt = formats[v.mainsnak.datavalue.value.id]     break -- pick the first match    end   end  end  local disp  local sitelink = mw.wikibase.getSitelink(id)  local label, islabel  if dtxt then   label, islabel = dtxt, true  elseif shortname then   -- see if there is a shortname in our language, and set label to it   for k, v in ipairs( mw.wikibase.getBestStatements(id, "P1813") ) do    if v.mainsnak.datavalue.value.language == lang then     label, islabel = v.mainsnak.datavalue.value.text, true     break    end -- test for language match   end -- loop through values of short name   -- if we have no label set, then there was no shortname available   if not islabel then    label, islabel = labelOrId(id)    shortname = false   end  else   label, islabel = labelOrId(id)  end  if mw.site.siteName ~= "Wikimedia Commons" then   if sitelink then    if not (dtxt or shortname) then     -- if sitelink and label are the same except for case, no need to process further     if sitelink:lower() ~= label:lower() then      -- strip any namespace or dab from the sitelink      local pos = sitelink:find(":") or 0      local slink = sitelink      if pos > 0 then       local pfx = sitelink:sub(1,pos-1)       if mw.site.namespaces[pfx] then -- that prefix is a valid namespace, so remove it        slink = sitelink:sub(pos+1)       end      end      -- remove stuff after commas or inside parentheses - ie. dabs      slink = slink:gsub("%s%(.+%)$", ""):gsub(",.+$", "")      -- if uselbl is false, use sitelink instead of label      if not uselbl then       --  use slink as display, preserving label case - find("^%u") is true for 1st char uppercase       if label:find("^%u") then        label = slink:gsub("^(%l)", string.upper)       else        label = slink:gsub("^(%u)", string.lower)       end      end     end    end    if donotlink[label] then     disp = prefix .. fmt .. label .. fmt .. postfix    else     disp = "[[" .. lprefix .. sitelink .. lpostfix .. " " .. prefix .. fmt .. label .. fmt .. postfix .. "]]"    end   elseif islabel then    -- no sitelink, label exists, so check if a redirect with that title exists, if linkredir is true    -- display plain label by default    disp = prefix .. fmt .. label .. fmt .. postfix    if linkredir then     local artitle = mw.title.new(label, 0) -- only nil if label has invalid chars     if not donotlink[label] and artitle and artitle.redirectTarget then      -- there's a redirect with the same title as the label, so let's link to that      disp = "[[".. lprefix .. label .. lpostfix .. " " .. prefix .. fmt .. label .. fmt .. postfix .. "]]"     end    end -- test if article title exists as redirect on current Wiki   else    -- no sitelink and no label, so return whatever was returned from labelOrId for now    -- add tracking category [[Category:Articles with missing Wikidata information]]    -- for enwiki, just return the tracking category    if mw.wikibase.getGlobalSiteId() == "enwiki" then     disp = i18n.missinginfocat    else     disp = prefix .. label .. postfix .. i18n.missinginfocat    end   end  else   local ccat = mw.wikibase.getBestStatements(id, "P373")[1]   if ccat and ccat.mainsnak.datavalue then    ccat = ccat.mainsnak.datavalue.value    disp = "[[" .. lprefix .. "Category:" .. ccat .. lpostfix .. " " .. prefix .. label .. postfix .. "]]"   elseif sitelink then    -- this asumes that if a sitelink exists, then a label also exists    disp = "[[" .. lprefix .. sitelink .. lpostfix .. " " .. prefix .. label .. postfix .. "]]"   else    -- no sitelink and no Commons cat, so return label from labelOrId for now    disp = prefix .. label .. postfix   end  end  return disp end   ------------------------------------------------------------------------------- -- sourced takes a table representing a statement that may or may not have references -- it looks for a reference sourced to something not containing the word "wikipedia" -- it returns a boolean = true if it finds a sourced reference. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local sourced = function(claim)  if claim.references then   for kr, vr in pairs(claim.references) do    local ref = mw.wikibase.renderSnaks(vr.snaks)    if not ref:find("Wiki") then     return true    end   end  end end   ------------------------------------------------------------------------------- -- setRanks takes a flag (parameter passed) that requests the values to return -- "b[est]" returns preferred if available, otherwise normal -- "p[referred]" returns preferred -- "n[ormal]" returns normal -- "d[eprecated]" returns deprecated -- multiple values are allowed, e.g. "preferred normal" (which is the default) -- "best" will override the other flags, and set p and n ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local setRanks = function(rank)  rank = (rank or ""):lower()  -- if nothing passed, return preferred and normal  -- if rank == "" then rank = "p n" end  local ranks = {}  for w in string.gmatch(rank, "%a+") do   w = w:sub(1,1)   if w == "b" or w == "p" or w == "n" or w == "d" then    ranks[w] = true   end  end  -- check if "best" is requested or no ranks requested; and if so, set preferred and normal  if ranks.b or not next(ranks) then   ranks.p = true   ranks.n = true  end  return ranks end   ------------------------------------------------------------------------------- -- parseInput processes the Q-id , the blacklist and the whitelist -- if an input parameter is supplied, it returns that and ends the call. -- it returns (1) either the qid or nil indicating whether or not the call should continue -- and (2) a table containing all of the statements for the propertyID and relevant Qid -- if "best" ranks are requested, it returns those instead of all non-deprecated ranks ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- local parseInput = function(frame, input_parm, property_id)  -- There may be a local parameter supplied, if it's blank, set it to nil  input_parm = mw.text.trim(input_parm or "")  if input_parm == "" then input_parm = nil end   -- return nil if Wikidata is not available  if not mw.wikibase then return false, input_parm end   local args = frame.args   -- can take a named parameter  qid which is the Wikidata ID for the article.  -- if it's not supplied, use the id for the current page  local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  -- if there's no Wikidata item for the current page return nil  if not qid then return false, input_parm end   -- The blacklist is passed in named parameter  suppressfields  local blacklist = args.suppressfields or args.spf or ""   -- The whitelist is passed in named parameter  fetchwikidata  local whitelist = args.fetchwikidata or args.fwd or ""  if whitelist == "" then whitelist = "NONE" end   -- The name of the field that this function is called from is passed in named parameter  name  local fieldname = args.name or ""   if blacklist ~= "" then   -- The name is compulsory when blacklist is used, so return nil if it is not supplied   if fieldname == "" then return false, nil end   -- If this field is on the blacklist, then return nil   if blacklist:find(fieldname) then return false, nil end  end   -- If we got this far then we're not on the blacklist  -- The blacklist overrides any locally supplied parameter as well  -- If a non-blank input parameter was supplied return it  if input_parm then return false, input_parm end   -- We can filter out non-valid properties  if property_id:sub(1,1):upper() ~="P" or property_id == "P0" then return false, nil end   -- Otherwise see if this field is on the whitelist:  -- needs a bit more logic because find will return its second value = 0 if fieldname is ""  -- but nil if fieldname not found on whitelist  local _, found = whitelist:find(fieldname)  found = ((found or 0) > 0)  if whitelist ~= 'ALL' and (whitelist:upper() == "NONE" or not found) then   return false, nil  end   -- See what's on Wikidata (the call always returns a table, but it may be empty):  local props = {}  if args.reqranks.b then   props = mw.wikibase.getBestStatements(qid, property_id)  else   props = mw.wikibase.getAllStatements(qid, property_id)  end  if props[1] then   return qid, props  end  -- no property on Wikidata  return false, nil end   ------------------------------------------------------------------------------- -- createicon assembles the "Edit at Wikidata" pen icon. -- It returns a wikitext string inside a span class="penicon" -- if entityID is nil or empty, the ID associated with current page is used -- langcode and propertyID may be nil or empty ------------------------------------------------------------------------------- -- Dependencies: i18n[]; ------------------------------------------------------------------------------- local createicon = function(langcode, entityID, propertyID)  langcode = langcode or ""  if not entityID or entityID == "" then entityID= mw.wikibase.getEntityIdForCurrentPage() end  propertyID = propertyID or ""  local icon = "&nbsp;<span class='penicon autoconfirmed-show'>[["  -- "&nbsp;<span data-bridge-edit-flow='overwrite' class='penicon'>[[" -> enable Wikidata Bridge  .. i18n["filespace"]  .. ":OOjs UI icon edit-ltr-progressive.svg  frameless  text-top  10px  alt="  .. i18n["editonwikidata"]  .. " link=https://www.wikidata.org/wiki/" .. entityID  if langcode ~= "" then icon = icon .. "?uselang=" .. langcode end  if propertyID ~= "" then icon = icon .. "#" .. propertyID end  icon = icon .. " " .. i18n["editonwikidata"] .. "]]</span>"  return icon end   ------------------------------------------------------------------------------- -- assembleoutput takes the sequence table containing the property values -- and formats it according to switches given. It returns a string or nil. -- It uses the entityID (and optionally propertyID) to create a link in the pen icon. ------------------------------------------------------------------------------- -- Dependencies: parseParam(); ------------------------------------------------------------------------------- local assembleoutput = function(out, args, entityID, propertyID)   -- sorted is a boolean passed to enable sorting of the values returned  -- if nothing or an empty string is passed set it false  -- if "false" or "no" or "0" is passed set it false  local sorted = parseParam(args.sorted, false)   -- noicon is a boolean passed to suppress the trailing "edit at Wikidata" icon  -- for use when the value is processed further by the infobox  -- if nothing or an empty string is passed set it false  -- if "false" or "no" or "0" is passed set it false  local noic = parseParam(args.noicon, false)   -- list is the name of a template that a list of multiple values is passed through  -- examples include "hlist" and "ubl"  -- setting it to "prose" produces something like "1, 2, 3, and 4"  local list = args.list or ""   -- sep is a string that is used to separate multiple returned values  -- if nothing or an empty string is passed set it to the default  -- any double-quotes " are stripped out, so that spaces may be passed  -- e.g.  sep=" - "  local sepdefault = i18n["list separator"]  local separator = args.sep or ""  separator = string.gsub(separator, '"', '')  if separator == "" then   separator = sepdefault  end   -- collapse is a number that determines the maximum number of returned values  -- before the output is collapsed.  -- Zero or not a number result in no collapsing (default becomes 0).  local collapse = tonumber(args.collapse) or 0   -- replacetext (rt) is a string that is returned instead of any non-empty Wikidata value  -- this is useful for tracking and debugging  local replacetext = mw.text.trim(args.rt or args.replacetext or "")   -- if there's anything to return, then return a list  -- comma-separated by default, but may be specified by the sep parameter  -- optionally specify a hlist or ubl or a prose list, etc.  local strout  if #out > 0 then   if sorted then table.sort(out) end   -- if there's something to display and a pen icon is wanted, add it the end of the last value   local hasdisplay = false   for i, v in ipairs(out) do    if v ~= i18n.missinginfocat then     hasdisplay = true     break    end   end   if not noic and hasdisplay then    out[#out] = out[#out] .. createicon(args.langobj.code, entityID, propertyID)   end   if list == "" then    strout = table.concat(out, separator)   elseif list:lower() == "prose" then    strout = mw.text.listToText( out )   else    strout = mw.getCurrentFrame():expandTemplate{title = list, args = out}   end   if collapse >0 and #out > collapse then    strout = collapsediv .. strout .. "</div>"   end  else   strout = nil -- no items had valid reference  end  if replacetext ~= "" and strout then strout = replacetext end  return strout end   ------------------------------------------------------------------------------- -- rendersnak takes a table (propval) containing the information stored on one property value -- and returns the value as a string and its language if monolingual text. -- It handles data of type: --  wikibase-item --  time --  string, url, commonsMedia, external-id --  quantity --  globe-coordinate --  monolingualtext -- It also requires linked, the link/pre/postfixes, uabbr, and the arguments passed from frame. -- The optional filter parameter allows quantities to be be filtered by unit Qid. ------------------------------------------------------------------------------- -- Dependencies: parseParam(); labelOrId(); i18n[]; dateFormat(); -- roundto(); decimalPrecision(); decimalToDMS(); linkedItem(); ------------------------------------------------------------------------------- local rendersnak = function(propval, args, linked, lpre, lpost, pre, post, uabbr, filter)  lpre = lpre or ""  lpost = lpost or ""  pre = pre or ""  post = post or ""  args.lang = args.lang or findLang().code  -- allow values to display a fixed text instead of label  local dtxt = args.displaytext or args.dt  if dtxt == "" then dtxt = nil end  -- switch to use display of short name (P1813) instead of label  local shortname = args.shortname or args.sn  shortname = parseParam(shortname, false)  local snak = propval.mainsnak or propval  local dtype = snak.datatype  local dv = snak.datavalue  dv = dv and dv.value  -- value and monolingual text language code returned  local val, mlt  if propval.rank and not args.reqranks[propval.rank:sub(1, 1)] then   -- val is nil: value has a rank that isn't requested   ------------------------------------  elseif snak.snaktype == "somevalue" then -- value is unknown   val = i18n["Unknown"]   ------------------------------------  elseif snak.snaktype == "novalue" then -- value is none   -- val = "No value" -- don't return anything   ------------------------------------  elseif dtype == "wikibase-item" then -- data type is a wikibase item:   -- it's wiki-linked value, so output as link if enabled and possible   local qnumber = dv.id   if linked then    val = linkedItem(qnumber, args)   else -- no link wanted so check for display-text, otherwise test for lang code    local label, islabel    if dtxt then     label = dtxt    else     label, islabel = labelOrId(qnumber)     local langlabel = mw.wikibase.getLabelByLang(qnumber, args.lang)     if langlabel then      label = mw.text.nowiki( langlabel )     end    end    val = pre .. label .. post   end -- test for link required   ------------------------------------  elseif dtype == "time" then -- data type is time:   -- time is in timestamp format   -- date precision is integer per mediawiki   -- output formatting according to preferences (y/dmy/mdy)   -- BC format as BC or BCE   -- plaindate is passed to disable looking for "sourcing cirumstances"   -- or to set the adjectival form   -- qualifiers (if any) is a nested table or nil   -- lang is given, or user language, or site language   --   -- Here we can check whether args.df has a value   -- If not, use code from Module:Sandbox/RexxS/Getdateformat to set it from templates like {{Use mdy dates}}   val = dateFormat(dv.time, dv.precision, args.df, args.bc, args.pd, propval.qualifiers, args.lang, "", dv.calendarmodel)   ------------------------------------  -- data types which are strings:  elseif dtype == "commonsMedia" or dtype == "external-id" or dtype == "string" or dtype == "url" then   -- commonsMedia or external-id or string or url   -- all have mainsnak.datavalue.value as string   if (lpre == "" or lpre == ":") and lpost == "" then    -- don't link if no linkpre/postfix or linkprefix is just ":"    val = pre .. dv .. post   elseif dtype == "external-id" then    val = "[" .. lpre .. dv .. lpost .. " " .. pre .. dv .. post .. "]"   else    val = "[[" .. lpre .. dv .. lpost .. " " .. pre .. dv .. post .. "]]"   end -- check for link requested (i.e. either linkprefix or linkpostfix exists)   ------------------------------------  -- data types which are quantities:  elseif dtype == "quantity" then   -- quantities have mainsnak.datavalue.value.amount and mainsnak.datavalue.value.unit   -- the unit is of the form http://www.wikidata.org/entity/Q829073   --   -- implement a switch to turn on/off numerical formatting later   local fnum = true   --   -- a switch to turn on/off conversions - only for en-wiki   local conv = parseParam(args.conv or args.convert, false)   -- if we have conversions, we won't have formatted numbers or scales   if conv then    uabbr = true    fnum = false    args.scale = "0"   end   --   -- a switch to turn on/off showing units, default is true   local showunits = parseParam(args.su or args.showunits, true)   --   -- convert amount to a number   local amount = tonumber(dv.amount) or i18n["NaN"]   --   -- scale factor for millions, billions, etc.   local sc = tostring(args.scale or ""):sub(1,1):lower()   local scale   if sc == "a" then    -- automatic scaling    if amount > 1e15 then     scale = 12    elseif amount > 1e12 then     scale = 9    elseif amount > 1e9 then     scale = 6    elseif amount > 1e6 then     scale = 3    else     scale = 0    end   else    scale = tonumber(args.scale) or 0    if scale < 0 or scale > 12 then scale = 0 end    scale = math.floor(scale/3) * 3   end   local factor = 10^scale   amount = amount / factor   -- ranges:   local range = ""   -- check if upper and/or lower bounds are given and significant   local upb = tonumber(dv.upperBound)   local lowb = tonumber(dv.lowerBound)   if upb and lowb then    -- differences rounded to 2 sig fig:    local posdif = roundto(upb - amount, 2) / factor    local negdif = roundto(amount - lowb, 2) / factor    upb, lowb = amount + posdif, amount - negdif    -- round scaled numbers to integers or 4 sig fig    if (scale > 0 or sc == "a") then     if amount < 1e4 then      amount = roundto(amount, 4)     else      amount = math.floor(amount + 0.5)     end    end    if fnum then amount = args.langobj:formatNum( amount ) end    if posdif ~= negdif then     -- non-symmetrical     range = " +" .. posdif .. " -" .. negdif    elseif posdif ~= 0 then     -- symmetrical and non-zero     range = " ±" .. posdif    else     -- otherwise range is zero, so leave it as ""    end   else    -- round scaled numbers to integers or 4 sig fig    if (scale > 0 or sc == "a") then     if amount < 1e4 then      amount = roundto(amount, 4)     else      amount = math.floor(amount + 0.5)     end    end    if fnum then amount = args.langobj:formatNum( amount ) end   end   -- unit names and symbols:   -- extract the qid in the form 'Qnnn' from the value.unit url   -- and then fetch the label from that - or symbol if unitabbr is true   local unit = ""   local usep = ""   local usym = ""   local unitqid = string.match( dv.unit, "(Q%d+)" )   if filter and unitqid ~= filter then return nil end   if unitqid and showunits then    local uname = mw.wikibase.getLabelByLang(unitqid, args.lang) or ""    if uname ~= "" then usep, unit = " ", uname end    if uabbr then     -- see if there's a unit symbol (P5061)     local unitsymbols = mw.wikibase.getBestStatements(unitqid, "P5061")     -- construct fallback table, add local lang and multiple languages     local fbtbl = mw.language.getFallbacksFor( args.lang )     table.insert( fbtbl, 1, args.lang )     table.insert( fbtbl, 1, "mul" )     local found = false     for idx1, us in ipairs(unitsymbols) do      for idx2, fblang in ipairs(fbtbl) do       if us.mainsnak.datavalue.value.language == fblang then        usym = us.mainsnak.datavalue.value.text        found = true        break       end      if found then break end      end -- loop through fallback table     end -- loop through values of P5061     if found then usep, unit = "&nbsp;", usym end    end   end   -- format display:   if conv then    if range == "" then     val = mw.getCurrentFrame():expandTemplate{title = "cvt", args = {amount, unit}}    else     val = mw.getCurrentFrame():expandTemplate{title = "cvt", args = {lowb, "to", upb, unit}}    end   elseif unit == "$" or unit == "£" then    val = unit .. amount .. range .. i18n.multipliers[scale]   else    val = amount .. range .. i18n.multipliers[scale] .. usep .. unit   end   ------------------------------------  -- datatypes which are global coordinates:  elseif dtype == "globe-coordinate" then   -- 'display' parameter defaults to "inline, title" *** unused for now ***   -- local disp = args.display or ""   -- if disp == "" then disp = "inline, title" end   --   -- format parameter switches from deg/min/sec to decimal degrees   -- default is deg/min/sec -- decimal degrees needs  format = dec   local form = (args.format or ""):lower():sub(1,3)   if form ~= "dec" then form = "dms" end -- not needed for now   --   -- show parameter allows just the latitude, or just the longitude, or both   -- to be returned as a signed decimal, ignoring the format parameter.   local show = (args.show or ""):lower()   if show ~= "longlat" then show = show:sub(1,3) end   --   local lat, long, prec = dv.latitude, dv.longitude, dv.precision   if show == "lat" then    val = decimalPrecision(lat, prec)   elseif show == "lon" then    val = decimalPrecision(long, prec)   elseif show == "longlat" then    val = decimalPrecision(long, prec) .. ", " .. decimalPrecision(lat, prec)   else    local ns = "N"    local ew = "E"    if lat < 0 then     ns = "S"     lat = - lat    end    if long < 0 then     ew = "W"     long = - long    end    if form == "dec" then     lat = decimalPrecision(lat, prec)     long = decimalPrecision(long, prec)     val = lat .. "°" .. ns .. " " .. long ..  "°" .. ew    else     local latdeg, latmin, latsec = decimalToDMS(lat, prec)     local longdeg, longmin, longsec = decimalToDMS(long, prec)      if latsec == 0 and longsec == 0 then      if latmin == 0 and longmin == 0 then       val = latdeg .. "°" .. ns .. " " .. longdeg ..  "°" .. ew      else       val = latdeg .. "°" .. latmin .. "′" .. ns .. " "       val = val .. longdeg .. "°".. longmin .. "′" .. ew      end     else      val = latdeg .. "°" .. latmin .. "′" .. latsec .. "″" .. ns .. " "      val = val .. longdeg .. "°" .. longmin .. "′" .. longsec .. "″" .. ew     end    end   end   ------------------------------------  elseif dtype == "monolingualtext" then -- data type is Monolingual text:   -- has mainsnak.datavalue.value as a table containing language/text pairs   -- collect all the values in 'out' and languages in 'mlt' and process them later   val = pre .. dv.text .. post   mlt = dv.language   ------------------------------------  else   -- some other data type so write a specific handler   val = "unknown data type: " .. dtype  end -- of datatype/unknown value/sourced check  return val, mlt end   ------------------------------------------------------------------------------- -- propertyvalueandquals takes a property object, the arguments passed from frame, -- and a qualifier propertyID. -- It returns a sequence (table) of values representing the values of that property -- and qualifiers that match the qualifierID if supplied. ------------------------------------------------------------------------------- -- Dependencies: parseParam(); sourced(); labelOrId(); i18n.latestdatequalifier(); format_Date(); -- makeOrdinal(); roundto(); decimalPrecision(); decimalToDMS(); assembleoutput(); ------------------------------------------------------------------------------- local function propertyvalueandquals(objproperty, args, qualID)  -- needs this style of declaration because it's re-entrant   -- onlysourced is a boolean passed to return only values sourced to other than Wikipedia  -- if nothing or an empty string is passed set it true  local onlysrc = parseParam(args.onlysourced or args.osd, true)   -- linked is a a boolean that enables the link to a local page via sitelink  -- if nothing or an empty string is passed set it true  local linked = parseParam(args.linked, true)   -- prefix is a string that may be nil, empty (""), or a string of characters  -- this is prefixed to each value  -- useful when when multiple values are returned  -- any double-quotes " are stripped out, so that spaces may be passed  local prefix = (args.prefix or ""):gsub('"', '')   -- postfix is a string that may be nil, empty (""), or a string of characters  -- this is postfixed to each value  -- useful when when multiple values are returned  -- any double-quotes " are stripped out, so that spaces may be passed  local postfix = (args.postfix or ""):gsub('"', '')   -- linkprefix is a string that may be nil, empty (""), or a string of characters  -- this creates a link and is then prefixed to each value  -- useful when when multiple values are returned and indirect links are needed  -- any double-quotes " are stripped out, so that spaces may be passed  local lprefix = (args.linkprefix or args.lp or ""):gsub('"', '')   -- linkpostfix is a string that may be nil, empty (""), or a string of characters  -- this is postfixed to each value when linking is enabled with lprefix  -- useful when when multiple values are returned  -- any double-quotes " are stripped out, so that spaces may be passed  local lpostfix = (args.linkpostfix or ""):gsub('"', '')   -- wdlinks is a boolean passed to enable links to Wikidata when no article exists  -- if nothing or an empty string is passed set it false  local wdl = parseParam(args.wdlinks or args.wdl, false)   -- unitabbr is a boolean passed to enable unit abbreviations for common units  -- if nothing or an empty string is passed set it false  local uabbr = parseParam(args.unitabbr or args.uabbr, false)   -- qualsonly is a boolean passed to return just the qualifiers  -- if nothing or an empty string is passed set it false  local qualsonly = parseParam(args.qualsonly or args.qo, false)   -- maxvals is a string that may be nil, empty (""), or a number  -- this determines how many items may be returned when multiple values are available  -- setting it = 1 is useful where the returned string is used within another call, e.g. image  local maxvals = tonumber(args.maxvals) or 0   -- pd (plain date) is a string: yes/true/1   no/false/0   adj  -- to disable/enable "sourcing cirumstances" or use adjectival form for the plain date  local pd = args.plaindate or args.pd or "no"  args.pd = pd   -- allow qualifiers to have a different date format; default to year unless qualsonly is set  args.qdf = args.qdf or args.qualifierdateformat or args.df or (not qualsonly and "y")   local lang = args.lang or findLang().code      -- qualID is a string list of wanted qualifiers or "ALL"     qualID = qualID or ""     -- capitalise list of wanted qualifiers and substitute "DATES"     qualID = qualID:upper():gsub("DATES", "P580, P582")     local allflag = (qualID == "ALL")     -- create table of wanted qualifiers as key     local qwanted = {}     -- create sequence of wanted qualifiers     local qorder = {}     for q in mw.text.gsplit(qualID, "%p") do -- split at punctuation and iterate         local qtrim = mw.text.trim(q)         if qtrim ~= "" then             qwanted[mw.text.trim(q)] = true             qorder[#qorder+1] = qtrim         end     end     -- qsep is the output separator for rendering qualifier list     local qsep = (args.qsep or ""):gsub('"', '')     -- qargs are the arguments to supply to assembleoutput()     local qargs = {         ["osd"]         = "false",         ["linked"]      = tostring(linked),         ["prefix"]      = args.qprefix,         ["postfix"]     = args.qpostfix,         ["linkprefix"]  = args.qlinkprefix or args.qlp,         ["linkpostfix"] = args.qlinkpostfix,         ["wdl"]         = "false",         ["unitabbr"]    = tostring(uabbr),         ["maxvals"]     = 0,         ["sorted"]      = tostring(args.qsorted),         ["noicon"]      = "true",         ["list"]        = args.qlist,         ["sep"]         = qsep,         ["langobj"]     = args.langobj,         ["lang"]        = args.langobj.code,         ["df"]          = args.qdf,         ["sn"]          = parseParam(args.qsn or args.qshortname, false),     }   -- all proper values of a Wikidata property will be the same type as the first  -- qualifiers don't have a mainsnak, properties do  local datatype = objproperty[1].datatype or objproperty[1].mainsnak.datatype   -- out[] holds the a list of returned values for this property  -- mlt[] holds the language code if the datatype is monolingual text  local out = {}  local mlt = {}   for k, v in ipairs(objproperty) do   local hasvalue = true   if (onlysrc and not sourced(v)) then    -- no value: it isn't sourced when onlysourced=true    hasvalue = false   else    local val, lcode = rendersnak(v, args, linked, lprefix, lpostfix, prefix, postfix, uabbr)    if not val then     hasvalue = false -- rank doesn't match    elseif qualsonly and qualID then     -- suppress value returned: only qualifiers are requested    else     out[#out+1], mlt[#out+1] = val, lcode    end   end    -- See if qualifiers are to be returned:   local snak = v.mainsnak or v   if hasvalue and v.qualifiers and qualID ~= "" and snak.snaktype~="novalue" then             -- collect all wanted qualifier values returned in qlist, indexed by propertyID    local qlist = {}    local timestart, timeend = "", ""             -- loop through qualifiers             for k1, v1 in pairs(v.qualifiers) do                 if allflag or qwanted[k1] then                     if k1 == "P1326" then                         local ts = v1[1].datavalue.value.time                         local dp = v1[1].datavalue.value.precision                         qlist[k1] = dateFormat(ts, dp, args.qdf, args.bc, pd, "", lang, "before")                     elseif k1 == "P1319" then                         local ts = v1[1].datavalue.value.time                         local dp = v1[1].datavalue.value.precision                         qlist[k1] = dateFormat(ts, dp, args.qdf, args.bc, pd, "", lang, "after")                     elseif k1 == "P580" then                         timestart = propertyvalueandquals(v1, qargs)[1] or "" -- treat only one start time as valid                     elseif k1 == "P582" then                         timeend = propertyvalueandquals(v1, qargs)[1] or "" -- treat only one end time as valid                     else                         local q = assembleoutput(propertyvalueandquals(v1, qargs), qargs)                         -- we already deal with circa via 'sourcing circumstances' if the datatype was time                         -- circa may be either linked or unlinked *** internationalise later ***                         if datatype ~= "time" or q ~= "circa" and not (type(q) == "string" and q:find("circa]]")) then                             qlist[k1] = q                         end                     end                 end -- of test for wanted             end -- of loop through qualifiers             -- set date separator    local t = timestart .. timeend    -- *** internationalise date separators later ***    local dsep = "&ndash;"    if t:find("%s") or t:find("&nbsp;") then dsep = " &ndash; " end             -- set the order for the list of qualifiers returned; start time and end time go last    if next(qlist) then                 local qlistout = {}                 if allflag then                     for k2, v2 in pairs(qlist) do                         qlistout[#qlistout+1] = v2                     end                 else                     for i2, v2 in ipairs(qorder) do                         qlistout[#qlistout+1] = qlist[v2]                     end                 end                 if t ~= "" then                     qlistout[#qlistout+1] = timestart .. dsep .. timeend                 end     local qstr = assembleoutput(qlistout, qargs)     if qualsonly then      out[#out+1] = qstr     else      out[#out] = out[#out] .. " (" .. qstr .. ")"     end    elseif t ~= "" then     if qualsonly then      if timestart == "" then       out[#out+1] = timeend      elseif timeend == "" then       out[#out+1] = timestart      else       out[#out+1] = timestart .. dsep .. timeend      end     else      out[#out] = out[#out] .. " (" .. timestart .. dsep .. timeend .. ")"     end    end   end -- of test for qualifiers wanted    if maxvals > 0 and #out >= maxvals then break end  end -- of for each value loop   -- we need to pick one value to return if the datatype was "monolingualtext"  -- if there's only one value, use that  -- otherwise look through the fallback languages for a match  if datatype == "monolingualtext" and #out >1 then   lang = mw.text.split( lang, '-', true )[1]   local fbtbl = mw.language.getFallbacksFor( lang )   table.insert( fbtbl, 1, lang )   local bestval = ""   local found = false   for idx1, lang1 in ipairs(fbtbl) do    for idx2, lang2 in ipairs(mlt) do     if (lang1 == lang2) and not found then      bestval = out[idx2]      found = true      break     end    end -- loop through values of property   end -- loop through fallback languages   if found then    -- replace output table with a table containing the best value    out = { bestval }   else    -- more than one value and none of them on the list of fallback languages    -- sod it, just give them the first one    out = { out[1] }   end  end  return out end   ------------------------------------------------------------------------------- -- Common code for p.getValueByQual and p.getValueByLang ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; assembleoutput; ------------------------------------------------------------------------------- local _getvaluebyqual = function(frame, qualID, checkvalue)   -- The property ID that will have a qualifier is the first unnamed parameter  local propertyID = mw.text.trim(frame.args[1] or "")  if propertyID == "" then return "no property supplied" end   if qualID == "" then return "no qualifier supplied" end   -- onlysourced is a boolean passed to return property values  -- only when property values are sourced to something other than Wikipedia  -- if nothing or an empty string is passed set it true  -- if "false" or "no" or 0 is passed set it false  local onlysrc = parseParam(frame.args.onlysourced or frame.args.osd, true)   -- set the requested ranks flags  frame.args.reqranks = setRanks(frame.args.rank)   -- set a language object and code in the frame.args table  frame.args.langobj = findLang(frame.args.lang)  frame.args.lang = frame.args.langobj.code   local args = frame.args   -- check for locally supplied parameter in second unnamed parameter  -- success means no local parameter and the property exists  local qid, props = parseInput(frame, args[2], propertyID)   local linked = parseParam(args.linked, true)  local lpre = (args.linkprefix or args.lp or ""):gsub('"', '')  local lpost = (args.linkpostfix or ""):gsub('"', '')  local pre = (args.prefix or ""):gsub('"', '')  local post = (args.postfix or ""):gsub('"', '')  local uabbr = parseParam(args.unitabbr or args.uabbr, false)  local filter = (args.unit or ""):upper()  local maxvals = tonumber(args.maxvals) or 0  if filter == "" then filter = nil end   if qid then   local out = {}   -- Scan through the values of the property   -- we want something like property is "pronunciation audio (P443)" in propertyID   -- with a qualifier like "language of work or name (P407)" in qualID   -- whose value has the required ID, like "British English (Q7979)", in qval   for k1, v1 in ipairs(props) do    if v1.mainsnak.snaktype == "value" then     -- check if it has the right qualifier     local v1q = v1.qualifiers     if v1q and v1q[qualID] then      if onlysrc == false or sourced(v1) then       -- if we've got this far, we have a (sourced) claim with qualifiers       -- so see if matches the required value       -- We'll only deal with wikibase-items and strings for now       if v1q[qualID][1].datatype == "wikibase-item" then        if checkvalue(v1q[qualID][1].datavalue.value.id) then         out[#out + 1] = rendersnak(v1, args, linked, lpre, lpost, pre, post, uabbr, filter)        end       elseif v1q[qualID][1].datatype == "string" then        if checkvalue(v1q[qualID][1].datavalue.value) then         out[#out + 1] = rendersnak(v1, args, linked, lpre, lpost, pre, post, uabbr, filter)        end       end      end -- of check for sourced     end -- of check for matching required value and has qualifiers    else     return nil    end -- of check for string    if maxvals > 0 and #out >= maxvals then break end   end -- of loop through values of propertyID   return assembleoutput(out, frame.args, qid, propertyID)  else   return props -- either local parameter or nothing  end -- of test for success  return nil end   ------------------------------------------------------------------------------- -- _location takes Q-id and follows P276 (location) -- or P131 (located in the administrative territorial entity) or P706 (located on terrain feature) -- from the initial item to higher level territories/locations until it reaches the highest. -- An optional boolean, 'first', determines whether the first item is returned (default: false). -- An optional boolean 'skip' toggles the display to skip to the last item (default: false). -- It returns a table containing the locations - linked where possible, except for the highest. ------------------------------------------------------------------------------- -- Dependencies: findLang(); labelOrId(); linkedItem ------------------------------------------------------------------------------- local _location = function(qid, first, skip)  first = parseParam(first, false)  skip = parseParam(skip, false)  local locs = {"P276", "P131", "P706"}  local out = {}  local langcode = findLang():getCode()  local finished = false  local count = 0  local prevqid = "Q0"  repeat   local prop   for i1, v1 in ipairs(locs) do    local proptbl = mw.wikibase.getBestStatements(qid, v1)    if #proptbl > 1 then     -- there is more than one higher location     local prevP131, prevP131id     if prevqid ~= "Q0" then      prevP131 = mw.wikibase.getBestStatements(prevqid, "P131")[1]      prevP131id = prevP131      and prevP131.mainsnak.datavalue      and prevP131.mainsnak.datavalue.value.id     end     for i2, v2 in ipairs(proptbl) do      local parttbl = v2.qualifiers and v2.qualifiers.P518      if parttbl then       -- this higher location has qualifier 'applies to part' (P518)       for i3, v3 in ipairs(parttbl) do        if v3.snaktype == "value" and v3.datavalue.value.id == prevqid then         -- it has a value equal to the previous location         prop = proptbl[i2]         break        end -- of test for matching last location       end -- of loop through values of 'applies to part'      else       -- there's no qualifier 'applies to part' (P518)       -- so check if the previous location had a P131 that matches this alternate       if qid == prevP131id then         prop = proptbl[i2]         break       end -- of test for matching previous P131      end     end -- of loop through parent locations     -- fallback to second value if match not found     prop = prop or proptbl[2]    elseif #proptbl > 0 then     prop = proptbl[1]    end    if prop then break end   end    -- check if it's an instance of (P31) a country (Q6256) or sovereign state (Q3624078)   -- and terminate the chain if it is   local inst = mw.wikibase.getAllStatements(qid, "P31")   if #inst > 0 then    for k, v in ipairs(inst) do     local instid = v.mainsnak.datavalue and v.mainsnak.datavalue.value.id     -- stop if it's a country (or a country within the United Kingdom if skip is true)     if instid == "Q6256" or instid == "Q3624078" or (skip and instid == "Q3336843") then      prop = nil -- this will ensure this is treated as top-level location      break     end    end   end    -- get the name of this location and update qid to point to the parent location   if prop and prop.mainsnak.datavalue then    if not skip or count == 0 then     local args = { lprefix = ":" }     out[#out+1] = linkedItem(qid, args) -- get a linked value if we can    end    qid, prevqid = prop.mainsnak.datavalue.value.id, qid   else    -- This is top-level location, so get short name except when this is the first item    -- Use full label if there's no short name or this is the first item    local prop1813 = mw.wikibase.getAllStatements(qid, "P1813")    -- if there's a short name and this isn't the only item    if prop1813[1] and (#out > 0)then     local shortname     -- short name is monolingual text, so look for match to the local language     -- choose the shortest 'short name' in that language     for k, v in pairs(prop1813) do      if v.mainsnak.datavalue.value.language == langcode then       local name = v.mainsnak.datavalue.value.text       if (not shortname) or (#name < #shortname) then        shortname = name       end      end     end     -- add the shortname if one is found, fallback to the label     -- but skip it if it's "USA"     if shortname ~= "USA" then      out[#out+1] = shortname or labelOrId(qid)     else      if skip then out[#out+1] = "US" end     end    else     -- no shortname, so just add the label     local loc = labelOrId(qid)     -- exceptions go here:     if loc == "United States of America" then      out[#out+1] = "United States"     else      out[#out+1] = loc     end    end    finished = true   end   count = count + 1  until finished or count >= 10 -- limit to 10 levels to avoid infinite loops   -- remove the first location if not required  if not first then table.remove(out, 1) end   -- we might have duplicate text for consecutive locations, so remove them  if #out > 2 then   local plain = {}   for i, v in ipairs(out) do    -- strip any links    plain[i] = v:gsub("^%[%[[^ ]* ", ""):gsub("]]$", "")   end   local idx = 2   repeat    if plain[idx] == plain[idx-1] then     -- duplicate found     local removeidx = 0     if (plain[idx] ~= out[idx]) and (plain[idx-1] == out[idx-1]) then      -- only second one is linked, so drop the first      removeidx = idx - 1     elseif (plain[idx] == out[idx]) and (plain[idx-1] ~= out[idx-1]) then      -- only first one is linked, so drop the second      removeidx = idx     else      -- pick one      removeidx = idx - (os.time()%2)     end     table.remove(out, removeidx)     table.remove(plain, removeidx)    else     idx = idx +1    end   until idx >= #out  end  return out end   ------------------------------------------------------------------------------- -- _getsumofparts scans the property 'has part' (P527) for values matching a list. -- The list (args.vlist) consists of a string of Qids separated by spaces or any usual punctuation. -- If the matched values have a qualifer 'quantity' (P1114), those quantites are summed. -- The sum is returned as a number (i.e. 0 if none) -- a table of arguments is supplied implementing the usual parameters. ------------------------------------------------------------------------------- -- Dependencies: setRanks; parseParam; parseInput; sourced; assembleoutput; ------------------------------------------------------------------------------- local _getsumofparts = function(args)  local vallist = (args.vlist or ""):upper()  if vallist == "" then return end  args.reqranks = setRanks(args.rank)  local f = {}  f.args = args  local qid, props = parseInput(f, "", "P527")  if not qid then return 0 end  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local sum = 0  for k1, v1 in ipairs(props) do   if (onlysrc == false or sourced(v1))    and v1.mainsnak.snaktype == "value"    and v1.mainsnak.datavalue.type == "wikibase-entityid"    and vallist:match( v1.mainsnak.datavalue.value.id )    and v1.qualifiers    then    local quals = v1.qualifiers["P1114"]    if quals then     for k2, v2 in ipairs(quals) do      sum = sum + v2.datavalue.value.amount     end    end   end  end  return sum end   ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- -- Public functions ------------------------------------------------------------------------------- ------------------------------------------------------------------------------- -- _getValue makes the functionality of getValue available to other modules ------------------------------------------------------------------------------- -- Dependencies: setRanks; parseInput; propertyvalueandquals; assembleoutput; parseParam; sourced; -- labelOrId; i18n.latestdatequalifier; format_Date; makeOrdinal; roundto; decimalPrecision; decimalToDMS; ------------------------------------------------------------------------------- p._getValue = function(args)  -- parameter sets for commonly used groups of parameters  local paraset = tonumber(args.ps or args.parameterset or 0)  if paraset == 1 then   -- a common setting   args.rank = "best"   args.fetchwikidata = "ALL"   args.onlysourced = "no"   args.noicon = "true"  elseif paraset == 2 then   -- equivalent to raw   args.rank = "best"   args.fetchwikidata = "ALL"   args.onlysourced = "no"   args.noicon = "true"   args.linked = "no"   args.pd = "true"  elseif paraset == 3 then   -- third set goes here  end   -- implement eid parameter  local eid = args.eid  if eid == "" then   return nil  elseif eid then   args.qid = eid  end   local propertyID = mw.text.trim(args[1] or "")   args.reqranks = setRanks(args.rank)   -- replacetext (rt) is a string that is returned instead of any non-empty Wikidata value  -- this is useful for tracking and debugging, so we set fetchwikidata=ALL to fill the whitelist  local replacetext = mw.text.trim(args.rt or args.replacetext or "")  if replacetext ~= "" then   args.fetchwikidata = "ALL"  end   local f = {}  f.args = args  local entityid, props = parseInput(f, f.args[2], propertyID)   if not entityid then   return props -- either the input parameter or nothing  end   -- qual is a string containing the property ID of the qualifier(s) to be returned  -- if qual == "ALL" then all qualifiers returned  -- if qual == "DATES" then qualifiers P580 (start time) and P582 (end time) returned  -- if nothing or an empty string is passed set it nil -> no qualifiers returned  local qualID = mw.text.trim(args.qual or ""):upper()  if qualID == "" then qualID = nil end   -- set a language object and code in the args table  args.langobj = findLang(args.lang)  args.lang = args.langobj.code   -- table 'out' stores the return value(s):  local out = propertyvalueandquals(props, args, qualID)   -- format the table of values and return it as a string:  return assembleoutput(out, args, entityid, propertyID) end   ------------------------------------------------------------------------------- -- getValue is used to get the value(s) of a property -- The property ID is passed as the first unnamed parameter and is required. -- A locally supplied parameter may optionaly be supplied as the second unnamed parameter. -- The function will now also return qualifiers if parameter qual is supplied ------------------------------------------------------------------------------- -- Dependencies: _getValue; setRanks; parseInput; propertyvalueandquals; assembleoutput; parseParam; sourced; -- labelOrId; i18n.latestdatequalifier; format_Date; makeOrdinal; roundto; decimalPrecision; decimalToDMS; ------------------------------------------------------------------------------- p.getValue = function(frame)  local args= frame.args  if not args[1] then   args = frame:getParent().args   if not args[1] then return i18n.errors["No property supplied"] end  end   return p._getValue(args) end   ------------------------------------------------------------------------------- -- getPreferredValue is used to get a value, -- (or a comma separated list of them if multiple values exist). -- If preferred ranks are set, it will return those values, otherwise values with normal ranks -- now redundant to getValue with  rank=best ------------------------------------------------------------------------------- -- Dependencies: p.getValue; setRanks; parseInput; propertyvalueandquals; assembleoutput; -- parseParam; sourced; labelOrId; i18n.latestdatequalifier; format_Date; -- makeOrdinal; roundto; decimalPrecision; decimalToDMS; ------------------------------------------------------------------------------- p.getPreferredValue = function(frame)  frame.args.rank = "best"  return p.getValue(frame) end   ------------------------------------------------------------------------------- -- getCoords is used to get coordinates for display in an infobox -- whitelist and blacklist are implemented -- optional 'display' parameter is allowed, defaults to nil - was "inline, title" ------------------------------------------------------------------------------- -- Dependencies: setRanks(); parseInput(); decimalPrecision(); ------------------------------------------------------------------------------- p.getCoords = function(frame)  local propertyID = "P625"   -- if there is a 'display' parameter supplied, use it  -- otherwise default to nothing  local disp = frame.args.display or ""  if disp == "" then   disp = nil -- default to not supplying display parameter, was "inline, title"  end   -- there may be a format parameter to switch from deg/min/sec to decimal degrees  -- default is deg/min/sec  -- decimal degrees needs  format = dec  local form = (frame.args.format or ""):lower():sub(1,3)  if form ~= "dec" then   form = "dms"  end   -- just deal with best values  frame.args.reqranks = setRanks("best")   local qid, props = parseInput(frame, frame.args[1], propertyID)  if not qid then   return props -- either local parameter or nothing  else   local dv = props[1].mainsnak.datavalue.value   local lat, long, prec = dv.latitude, dv.longitude, dv.precision   lat = decimalPrecision(lat, prec)   long = decimalPrecision(long, prec)   local lat_long = { lat, long }   lat_long["display"] = disp   lat_long["format"] = form   -- invoke template Coord with the values stored in the table   return frame:expandTemplate{title = 'coord', args = lat_long}  end end   ------------------------------------------------------------------------------- -- getQualifierValue is used to get a formatted value of a qualifier -- -- The call needs: a property (the unnamed parameter or 1=) --      a target value for that property (pval=) --     a qualifier for that target value (qual=) -- The usual whitelisting and blacklisting of the property is implemented -- The boolean onlysourced= parameter can be set to return nothing -- when the property is unsourced (or only sourced to Wikipedia) ------------------------------------------------------------------------------- -- Dependencies: parseParam(); setRanks(); parseInput(); sourced(); -- propertyvalueandquals(); assembleoutput(); -- labelOrId(); i18n.latestdatequalifier(); format_Date(); -- findLang(); makeOrdinal(); roundto(); decimalPrecision(); decimalToDMS(); ------------------------------------------------------------------------------- p.getQualifierValue = function(frame)   -- The property ID that will have a qualifier is the first unnamed parameter  local propertyID = mw.text.trim(frame.args[1] or "")   -- The value of the property we want to match whose qualifier value is to be returned  -- is passed in named parameter  pval=  local propvalue = frame.args.pval   -- The property ID of the qualifier  -- whose value is to be returned is passed in named parameter  qual=  local qualifierID = frame.args.qual   -- A filter can be set like this: filter=P642==Q22674854  local filter, fprop, fval  local ftable = mw.text.split(frame.args.filter or "", "==")  if ftable[2] then   fprop = mw.text.trim(ftable[1])   fval = mw.text.trim(ftable[2])   filter = true  end   -- onlysourced is a boolean passed to return qualifiers  -- only when property values are sourced to something other than Wikipedia  -- if nothing or an empty string is passed set it true  -- if "false" or "no" or 0 is passed set it false  local onlysrc = parseParam(frame.args.onlysourced or frame.args.osd, true)   -- set a language object and language code in the frame.args table  frame.args.langobj = findLang(frame.args.lang)  frame.args.lang = frame.args.langobj.code   -- set the requested ranks flags  frame.args.reqranks = setRanks(frame.args.rank)   -- check for locally supplied parameter in second unnamed parameter  -- success means no local parameter and the property exists  local qid, props = parseInput(frame, frame.args[2], propertyID)  if qid then   local out = {}   -- Scan through the values of the property   -- we want something like property is P793, significant event (in propertyID)   -- whose value is something like Q385378, construction (in propvalue)   -- then we can return the value(s) of a qualifier such as P580, start time (in qualifierID)   for k1, v1 in pairs(props) do    if v1.mainsnak.snaktype == "value" and v1.mainsnak.datavalue.type == "wikibase-entityid" then     -- It's a wiki-linked value, so check if it's the target (in propvalue) and if it has qualifiers     if v1.mainsnak.datavalue.value.id == propvalue and v1.qualifiers then      if onlysrc == false or sourced(v1) then       -- if we've got this far, we have a (sourced) claim with qualifiers       -- which matches the target, so apply the filter and find the value(s) of the qualifier we want       if not filter or (v1.qualifiers[fprop] and v1.qualifiers[fprop][1].datavalue.value.id == fval) then        local quals = v1.qualifiers[qualifierID]        if quals then         -- can't reference qualifer, so set onlysourced = "no" (args are strings, not boolean)         local qargs = frame.args         qargs.onlysourced = "no"         local vals = propertyvalueandquals(quals, qargs, qid)         for k, v in ipairs(vals) do          out[#out + 1] = v         end        end       end      end -- of check for sourced     end -- of check for matching required value and has qualifiers    end -- of check for wikibase entity   end -- of loop through values of propertyID   return assembleoutput(out, frame.args, qid, propertyID)  else   return props -- either local parameter or nothing  end -- of test for success  return nil end   ------------------------------------------------------------------------------- -- getSumOfParts scans the property 'has part' (P527) for values matching a list. -- The list is passed in parameter vlist. -- It consists of a string of Qids separated by spaces or any usual punctuation. -- If the matched values have a qualifier 'quantity' (P1114), those quantities are summed. -- The sum is returned as a number or nothing if zero. ------------------------------------------------------------------------------- -- Dependencies: _getsumofparts; ------------------------------------------------------------------------------- p.getSumOfParts = function(frame)  local sum = _getsumofparts(frame.args)  if sum == 0 then return end  return sum end   ------------------------------------------------------------------------------- -- getValueByQual gets the value of a property which has a qualifier with a given entity value -- The call needs: --     a property ID (the unnamed parameter or 1=Pxxx) --     the ID of a qualifier for that property (qualID=Pyyy) --     either the Wikibase-entity ID of a value for that qualifier (qvalue=Qzzz) --     or a string value for that qualifier (qvalue=abc123) -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented ------------------------------------------------------------------------------- -- Dependencies: _getvaluebyqual; parseParam; setRanks; parseInput; sourced; -- assembleoutput; ------------------------------------------------------------------------------- p.getValueByQual = function(frame)  local qualID = frame.args.qualID  -- The Q-id of the value for the qualifier we want to match is in named parameter  qvalue=  local qval = frame.args.qvalue or ""  if qval == "" then return "no qualifier value supplied" end  local function checkQID(id)   return id == qval  end  return _getvaluebyqual(frame, qualID, checkQID) end   ------------------------------------------------------------------------------- -- getValueByLang gets the value of a property which has a qualifier P407 -- ("language of work or name") whose value has the given language code -- The call needs: --     a property ID (the unnamed parameter or 1=Pxxx) --     the MediaWiki language code to match the language (lang=xx[-yy]) --     (if no code is supplied, it uses the default language) -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented ------------------------------------------------------------------------------- -- Dependencies: _getvaluebyqual; parseParam; setRanks; parseInput; sourced; assembleoutput; ------------------------------------------------------------------------------- p.getValueByLang = function(frame)  -- The language code for the qualifier we want to match is in named parameter  lang=  local langcode = findLang(frame.args.lang).code  local function checkLanguage(id)   -- id should represent a language like "British English (Q7979)"   -- it should have string property "Wikimedia language code (P424)"   -- qlcode will be a table:   local qlcode = mw.wikibase.getBestStatements(id, "P424")   if (#qlcode > 0) and (qlcode[1].mainsnak.datavalue.value == langcode) then    return true   end  end  return _getvaluebyqual(frame, "P407", checkLanguage) end   ------------------------------------------------------------------------------- -- getValueByRefSource gets the value of a property which has a reference "stated in" (P248) -- whose value has the given entity-ID. -- The call needs: --     a property ID (the unnamed parameter or 1=Pxxx) --     the entity ID of a value to match where the reference is stated in (match=Qzzz) -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p.getValueByRefSource = function(frame)  -- The property ID that we want to check is the first unnamed parameter  local propertyID = mw.text.trim(frame.args[1] or ""):upper()  if propertyID == "" then return "no property supplied" end   -- The Q-id of the value we want to match is in named parameter  qvalue=  local qval = (frame.args.match or ""):upper()  if qval == "" then qval = "Q21540096" end   local unit = (frame.args.unit or ""):upper()  if unit == "" then unit = "Q4917" end   local onlysrc = parseParam(frame.args.onlysourced or frame.args.osd, true)   -- set the requested ranks flags  frame.args.reqranks = setRanks(frame.args.rank)   -- set a language object and code in the frame.args table  frame.args.langobj = findLang(frame.args.lang)  frame.args.lang = frame.args.langobj.code   local linked = parseParam(frame.args.linked, true)   local uabbr = parseParam(frame.args.uabbr or frame.args.unitabbr, false)   -- qid not nil means no local parameter and the property exists  local qid, props = parseInput(frame, frame.args[2], propertyID)   if qid then   local out = {}   local mlt= {}   for k1, v1 in ipairs(props) do    if onlysrc == false or sourced(v1) then     if v1.references then      for k2, v2 in ipairs(v1.references) do       if v2.snaks.P248 then        for k3, v3 in ipairs(v2.snaks.P248) do         if v3.datavalue.value.id == qval then          out[#out+1], mlt[#out+1] = rendersnak(v1, frame.args, linked, "", "", "", "", uabbr, unit)          if not mlt[#out] then           -- we only need one match per property value           -- unless datatype was monolingual text           break          end         end -- of test for match        end -- of loop through values "stated in"       end -- of test that "stated in" exists      end -- of loop through references     end -- of test that references exist    end -- of test for sourced   end -- of loop through values of propertyID   if #mlt > 0 then    local langcode = frame.args.lang    langcode = mw.text.split( langcode, '-', true )[1]    local fbtbl = mw.language.getFallbacksFor( langcode )    table.insert( fbtbl, 1, langcode )    local bestval = ""    local found = false    for idx1, lang1 in ipairs(fbtbl) do     for idx2, lang2 in ipairs(mlt) do      if (lang1 == lang2) and not found then       bestval = out[idx2]       found = true       break      end     end -- loop through values of property    end -- loop through fallback languages    if found then     -- replace output table with a table containing the best value     out = { bestval }    else     -- more than one value and none of them on the list of fallback languages     -- sod it, just give them the first one     out = { out[1] }    end   end   return assembleoutput(out, frame.args, qid, propertyID)  else   return props -- no property or local parameter supplied  end -- of test for success end   ------------------------------------------------------------------------------- -- getPropertyIDs takes most of the usual parameters. -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented. -- It returns the Entity-IDs (Qids) of the values of a property if it is a Wikibase-Entity. -- Otherwise it returns nothing. ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p._getPropertyIDs = function(args)  args.reqranks = setRanks(args.rank)  args.langobj = findLang(args.lang)  args.lang = args.langobj.code  -- change default for noicon to true  args.noicon = tostring(parseParam(args.noicon or "", true))  local f = {}  f.args = args  local pid = mw.text.trim(args[1] or ""):upper()   -- get the qid and table of claims for the property, or nothing and the local value passed  local qid, props = parseInput(f, args[2], pid)  if not qid then return props end  if not props[1] then return nil end  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local maxvals = tonumber(args.maxvals) or 0   local out = {}  for i, v in ipairs(props) do   local snak = v.mainsnak   if ( snak.datatype == "wikibase-item" )    and ( v.rank and args.reqranks[v.rank:sub(1, 1)] )    and ( snak.snaktype == "value" )    and ( sourced(v) or not onlysrc )    then    out[#out+1] = snak.datavalue.value.id   end   if maxvals > 0 and #out >= maxvals then break end  end   return assembleoutput(out, args, qid, pid) end  p.getPropertyIDs = function(frame)  local args = frame.args  return p._getPropertyIDs(args) end   ------------------------------------------------------------------------------- -- getQualifierIDs takes most of the usual parameters. -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented. -- It takes a property-id as the first unnamed parameter, and an optional parameter qlist -- which is a list of qualifier property-ids to search for (default is "ALL") -- It returns the Entity-IDs (Qids) of the values of a property if it is a Wikibase-Entity. -- Otherwise it returns nothing. ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p.getQualifierIDs = function(frame)  local args = frame.args  args.reqranks = setRanks(args.rank)  args.langobj = findLang(args.lang)  args.lang = args.langobj.code  -- change default for noicon to true  args.noicon = tostring(parseParam(args.noicon or "", true))  local f = {}  f.args = args  local pid = mw.text.trim(args[1] or ""):upper()   -- get the qid and table of claims for the property, or nothing and the local value passed  local qid, props = parseInput(f, args[2], pid)  if not qid then return props end  if not props[1] then return nil end  -- get the other parameters  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local maxvals = tonumber(args.maxvals) or 0  local qlist = args.qlist or ""  if qlist == "" then qlist = "ALL" end  qlist = qlist:gsub("[%p%s]+", " ") .. " "   local out = {}  for i, v in ipairs(props) do   local snak = v.mainsnak   if ( v.rank and args.reqranks[v.rank:sub(1, 1)] )    and ( snak.snaktype == "value" )    and ( sourced(v) or not onlysrc )    then    if v.qualifiers then     for k1, v1 in pairs(v.qualifiers) do      if qlist == "ALL " or qlist:match(k1 .. " ") then       for i2, v2 in ipairs(v1) do        if v2.datatype == "wikibase-item" and v2.snaktype == "value" then         out[#out+1] = v2.datavalue.value.id        end -- of test that id exists       end -- of loop through qualifier values      end -- of test for kq in qlist     end -- of loop through qualifiers    end -- of test for qualifiers   end -- of test for rank value, sourced, and value exists   if maxvals > 0 and #out >= maxvals then break end  end -- of loop through property values   return assembleoutput(out, args, qid, pid) end   ------------------------------------------------------------------------------- -- getPropOfProp takes two propertyIDs: prop1 and prop2 (as well as the usual parameters) -- If the value(s) of prop1 are of type "wikibase-item" then it returns the value(s) of prop2 -- of each of those wikibase-items. -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p._getPropOfProp = function(args)  -- parameter sets for commonly used groups of parameters  local paraset = tonumber(args.ps or args.parameterset or 0)  if paraset == 1 then   -- a common setting   args.rank = "best"   args.fetchwikidata = "ALL"   args.onlysourced = "no"   args.noicon = "true"  elseif paraset == 2 then   -- equivalent to raw   args.rank = "best"   args.fetchwikidata = "ALL"   args.onlysourced = "no"   args.noicon = "true"   args.linked = "no"   args.pd = "true"  elseif paraset == 3 then   -- third set goes here  end   args.reqranks = setRanks(args.rank)  args.langobj = findLang(args.lang)  args.lang = args.langobj.code  local pid1 = args.prop1 or args.pid1 or ""  local pid2 = args.prop2 or args.pid2 or ""  if pid1 == "" or pid2 == "" then return nil end   local f = {}  f.args = args  local qid1, statements1 = parseInput(f, args[1], pid1)  -- parseInput nulls empty args[1] and returns args[1] if nothing on Wikidata  if not qid1 then return statements1 end  -- otherwise it returns the qid and a table for the statement  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local maxvals = tonumber(args.maxvals) or 0  local qualID = mw.text.trim(args.qual or ""):upper()  if qualID == "" then qualID = nil end  local out = {}  for k, v in ipairs(statements1) do   if not onlysrc or sourced(v) then    local snak = v.mainsnak    if snak.datatype == "wikibase-item" and snak.snaktype == "value" then     local qid2 = snak.datavalue.value.id     local statements2 = {}     if args.reqranks.b then      statements2 = mw.wikibase.getBestStatements(qid2, pid2)     else      statements2 = mw.wikibase.getAllStatements(qid2, pid2)     end     if statements2[1] then      local out2 = propertyvalueandquals(statements2, args, qualID)      out[#out+1] = assembleoutput(out2, args, qid2, pid2)     end    end -- of test for valid property1 value   end -- of test for sourced   if maxvals > 0 and #out >= maxvals then break end  end -- of loop through values of property1  return assembleoutput(out, args, qid1, pid1) end  p.getPropOfProp = function(frame)  local args= frame.args  if not args.prop1 and not args.pid1 then   args = frame:getParent().args   if not args.prop1 and not args.pid1 then return i18n.errors["No property supplied"] end  end   return p._getPropOfProp(args) end   ------------------------------------------------------------------------------- -- getAwardCat takes most of the usual parameters. If the item has values of P166 (award received), -- then it examines each of those awards for P2517 (category for recipients of this award). -- If it exists, it returns the corresponding category, -- with the item's P734 (family name) as sort key, or no sort key if there is no family name. -- The sort key may be overridden by the parameter  sortkey (alias  sk). -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p.getAwardCat = function(frame)  frame.args.reqranks = setRanks(frame.args.rank)  frame.args.langobj = findLang(frame.args.lang)  frame.args.lang = frame.args.langobj.code  local args = frame.args  args.sep = " "  local pid1 = args.prop1 or "P166"  local pid2 = args.prop2 or "P2517"  if pid1 == "" or pid2 == "" then return nil end  -- locally supplied value:  local localval = mw.text.trim(args[1] or "")  local qid1, statements1 = parseInput(frame, localval, pid1)  if not qid1 then return localval end  -- linkprefix (strip quotes)  local lp = (args.linkprefix or args.lp or ""):gsub('"', '')  -- sort key (strip quotes, hyphens and periods):  local sk = (args.sortkey or args.sk or ""):gsub('["-.]', '')  -- family name:  local famname = ""  if sk == "" then   local p734 = mw.wikibase.getBestStatements(qid1, "P734")[1]   local p734id = p734 and p734.mainsnak.snaktype == "value" and p734.mainsnak.datavalue.value.id or ""   famname = mw.wikibase.getSitelink(p734id) or ""   -- strip namespace and disambigation   local pos = famname:find(":") or 0   famname = famname:sub(pos+1):gsub("%s%(.+%)$", "")   if famname == "" then    local lbl = mw.wikibase.getLabel(p734id)    famname = lbl and mw.text.nowiki(lbl) or ""   end  end  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local maxvals = tonumber(args.maxvals) or 0  local qualID = mw.text.trim(args.qual or ""):upper()  if qualID == "" then qualID = nil end  local out = {}  for k, v in ipairs(statements1) do   if not onlysrc or sourced(v) then    local snak = v.mainsnak    if snak.datatype == "wikibase-item" and snak.snaktype == "value" then     local qid2 = snak.datavalue.value.id     local statements2 = {}     if args.reqranks.b then      statements2 = mw.wikibase.getBestStatements(qid2, pid2)     else      statements2 = mw.wikibase.getAllStatements(qid2, pid2)     end     if statements2[1] and statements2[1].mainsnak.snaktype == "value" then      local qid3 = statements2[1].mainsnak.datavalue.value.id      local sitelink = mw.wikibase.getSitelink(qid3)      -- if there's no local sitelink, create the sitelink from English label      if not sitelink then       local lbl = mw.wikibase.getLabelByLang(qid3, "en")       if lbl then        if lbl:sub(1,9) == "Category:" then         sitelink = mw.text.nowiki(lbl)        else         sitelink = "Category:" .. mw.text.nowiki(lbl)        end       end      end      if sitelink then       if sk ~= "" then        out[#out+1] = "[[" .. lp .. sitelink .. " " .. sk .. "]]"       elseif famname ~= "" then        out[#out+1] = "[[" .. lp .. sitelink .. " " .. famname .. "]]"       else        out[#out+1] = "[[" .. lp .. sitelink .. "]]"       end -- of check for sort keys      end -- of test for sitelink     end -- of test for category    end -- of test for wikibase item has a value   end -- of test for sourced   if maxvals > 0 and #out >= maxvals then break end  end -- of loop through values of property1  return assembleoutput(out, args, qid1, pid1) end   ------------------------------------------------------------------------------- -- getIntersectCat takes most of the usual parameters. -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented -- It takes two properties,  prop1 and  prop2 (e.g. occupation and country of citizenship) -- Each property's value is a wiki-base entity -- For each value of the first parameter (ranks implemented) it fetches the value's main category -- and then each value of the second parameter (possibly substituting a simpler description) -- then it returns all of the categories representing the intersection of those properties, -- (e.g. Category:Actors from Canada). A joining term may be supplied (e.g.  join=from). -- The item's P734 (family name) is the sort key, or no sort key if there is no family name. -- The sort key may be overridden by the parameter  sortkey (alias  sk). ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; propertyvalueandquals assembleoutput; ------------------------------------------------------------------------------- p.getIntersectCat = function(frame)  frame.args.reqranks = setRanks(frame.args.rank)  frame.args.langobj = findLang(frame.args.lang)  frame.args.lang = frame.args.langobj.code  local args = frame.args  args.sep = " "  args.linked = "no"  local pid1 = args.prop1 or "P106"  local pid2 = args.prop2 or "P27"  if pid1 == "" or pid2 == "" then return nil end  local qid, statements1 = parseInput(frame, "", pid1)  if not qid then return nil end  local qid, statements2 = parseInput(frame, "", pid2)  if not qid then return nil end  -- topics like countries may have different names in categories from their label in Wikidata  local subs_exists, subs = pcall(mw.loadData, "Module:WikidataIB/subs")  local join = args.join or ""  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local maxvals = tonumber(args.maxvals) or 0  -- linkprefix (strip quotes)  local lp = (args.linkprefix or args.lp or ""):gsub('"', '')  -- sort key (strip quotes, hyphens and periods):  local sk = (args.sortkey or args.sk or ""):gsub('["-.]', '')  -- family name:  local famname = ""  if sk == "" then   local p734 = mw.wikibase.getBestStatements(qid, "P734")[1]   local p734id = p734 and p734.mainsnak.snaktype == "value" and p734.mainsnak.datavalue.value.id or ""   famname = mw.wikibase.getSitelink(p734id) or ""   -- strip namespace and disambigation   local pos = famname:find(":") or 0   famname = famname:sub(pos+1):gsub("%s%(.+%)$", "")   if famname == "" then    local lbl = mw.wikibase.getLabel(p734id)    famname = lbl and mw.text.nowiki(lbl) or ""   end  end  local cat1 = {}  for k, v in ipairs(statements1) do   if not onlysrc or sourced(v) then    -- get the ID representing the value of the property    local pvalID = (v.mainsnak.snaktype == "value") and v.mainsnak.datavalue.value.id    if pvalID then     -- get the topic's main category (P910) for that entity     local p910 = mw.wikibase.getBestStatements(pvalID, "P910")[1]     if p910 and p910.mainsnak.snaktype == "value" then      local tmcID = p910.mainsnak.datavalue.value.id      -- use sitelink or the English label for the cat      local cat = mw.wikibase.getSitelink(tmcID)      if not cat then       local lbl = mw.wikibase.getLabelByLang(tmcID, "en")       if lbl then        if lbl:sub(1,9) == "Category:" then         cat = mw.text.nowiki(lbl)        else         cat = "Category:" .. mw.text.nowiki(lbl)        end       end      end      cat1[#cat1+1] = cat     end -- of test for topic's main category exists    end -- of test for property has vaild value   end -- of test for sourced   if maxvals > 0 and #cat1 >= maxvals then break end  end  local cat2 = {}  for k, v in ipairs(statements2) do   if not onlysrc or sourced(v) then    local cat = rendersnak(v, args)    if subs[cat] then cat = subs[cat] end    cat2[#cat2+1] = cat   end   if maxvals > 0 and #cat2 >= maxvals then break end  end  local out = {}  for k1, v1 in ipairs(cat1) do   for k2, v2 in ipairs(cat2) do    if sk ~= "" then     out[#out+1] = "[[" .. lp .. v1 .. " " .. join .. " " .. v2 .. " " .. sk .. "]]"    elseif famname ~= "" then     out[#out+1] = "[[" .. lp .. v1 .. " " .. join .. " " .. v2 .. " " .. famname .. "]]"    else     out[#out+1] = "[[" .. lp .. v1 .. " " .. join .. " " .. v2 .. "]]"    end -- of check for sort keys   end  end  args.noicon = "true"  return assembleoutput(out, args, qid, pid1) end   ------------------------------------------------------------------------------- -- qualsToTable takes most of the usual parameters. -- The usual whitelisting, blacklisting, onlysourced, etc. are implemented. -- A qid may be given, and the first unnamed parameter is the property ID, which is of type wikibase item. -- It takes a list of qualifier property IDs as  quals= -- For a given qid and property, it creates the rows of an html table, -- each row being a value of the property (optionally only if the property matches the value in  pval= ) -- each cell being the first value of the qualifier corresponding to the list in  quals ------------------------------------------------------------------------------- -- Dependencies: parseParam; setRanks; parseInput; sourced; ------------------------------------------------------------------------------- p.qualsToTable = function(frame)  local args = frame.args   local quals = args.quals or ""  if quals == "" then return "" end   args.reqranks = setRanks(args.rank)   local propertyID = mw.text.trim(args[1] or "")  local f = {}  f.args = args  local entityid, props = parseInput(f, "", propertyID)  if not entityid then return "" end   args.langobj = findLang(args.lang)  args.lang = args.langobj.code   local pval = args.pval or ""   local qplist = mw.text.split(quals, "%p") -- split at punctuation and make a sequential table  for i, v in ipairs(qplist) do   qplist[i] = mw.text.trim(v):upper() -- remove whitespace and capitalise  end   local col1 = args.firstcol or ""  if col1 ~= "" then   col1 = col1 .. "</td><td>"  end   local emptycell = args.emptycell or "&nbsp;"   -- construct a 2-D array of qualifier values in qvals  local qvals = {}  for i, v in ipairs(props) do   local skip = false   if pval ~= "" then    local pid = v.mainsnak.datavalue and v.mainsnak.datavalue.value.id    if pid ~= pval then skip = true end   end   if not skip then    local qval = {}    local vqualifiers = v.qualifiers or {}    -- go through list of wanted qualifier properties    for i1, v1 in ipairs(qplist) do     -- check for that property ID in the statement's qualifiers     local qv, qtype     if vqualifiers[v1] then      qtype = vqualifiers[v1][1].datatype      if qtype == "time" then       if vqualifiers[v1][1].snaktype == "value" then        qv = mw.wikibase.renderSnak(vqualifiers[v1][1])        qv = frame:expandTemplate{title="dts", args={qv}}       else        qv = "?"       end      elseif qtype == "url" then       if vqualifiers[v1][1].snaktype == "value" then        qv = mw.wikibase.renderSnak(vqualifiers[v1][1])        local display = mw.ustring.match( mw.uri.decode(qv, "WIKI"), "([%w ]+)$" )        if display then         qv = "[" .. qv .. " " .. display .. "]"        end       end      else       qv = mw.wikibase.formatValue(vqualifiers[v1][1])      end     end     -- record either the value or a placeholder     qval[i1] = qv or emptycell    end -- of loop through list of qualifiers    -- add the list of qualifier values as a "row" in the main list    qvals[#qvals+1] = qval   end  end -- of for each value loop   local out = {}  for i, v in ipairs(qvals) do   out[i] = "<tr><td>" .. col1 .. table.concat(qvals[i], "</td><td>") .. "</td></tr>"  end  return table.concat(out, "\n") end   ------------------------------------------------------------------------------- -- getGlobe takes an optional qid of a Wikidata entity passed as  qid= -- otherwise it uses the linked item for the current page. -- If returns the Qid of the globe used in P625 (coordinate location), -- or nil if there isn't one. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getGlobe = function(frame)  local qid = frame.args.qid or frame.args[1] or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  local coords = mw.wikibase.getBestStatements(qid, "P625")[1]  local globeid  if coords and coords.mainsnak.snaktype == "value" then   globeid = coords.mainsnak.datavalue.value.globe:match("(Q%d+)")  end  return globeid end   ------------------------------------------------------------------------------- -- getCommonsLink takes an optional qid of a Wikidata entity passed as  qid= -- It returns one of the following in order of preference: -- the Commons sitelink of the linked Wikidata item; -- the Commons sitelink of the topic's main category of the linked Wikidata item; ------------------------------------------------------------------------------- -- Dependencies: _getCommonslink(); _getSitelink(); parseParam() ------------------------------------------------------------------------------- p.getCommonsLink = function(frame)  local oc = frame.args.onlycat or frame.args.onlycategories  local fb = parseParam(frame.args.fallback or frame.args.fb, true)  return _getCommonslink(frame.args.qid, oc, fb) end   ------------------------------------------------------------------------------- -- getSitelink takes the qid of a Wikidata entity passed as  qid= -- It takes an optional parameter  wiki= to determine which wiki is to be checked for a sitelink -- If the parameter is blank, then it uses the local wiki. -- If there is a sitelink to an article available, it returns the plain text link to the article -- If there is no sitelink, it returns nil. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getSiteLink = function(frame)  return _getSitelink(frame.args.qid, frame.args.wiki or mw.text.trim(frame.args[1] or "")) end   ------------------------------------------------------------------------------- -- getLink has the qid of a Wikidata entity passed as the first unnamed parameter or as  qid= -- If there is a sitelink to an article on the local Wiki, it returns a link to the article -- with the Wikidata label as the displayed text. -- If there is no sitelink, it returns the label as plain text. -- If there is no label in the local language, it displays the qid instead. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getLink = function(frame)  local itemID = mw.text.trim(frame.args[1] or frame.args.qid or "")  if itemID == "" then return end  local sitelink = mw.wikibase.getSitelink(itemID)  local label = labelOrId(itemID)  if sitelink then   return "[[:" .. sitelink .. " " .. label .. "]]"  else   return label  end end   ------------------------------------------------------------------------------- -- getLabel has the qid of a Wikidata entity passed as the first unnamed parameter or as  qid= -- It returns the Wikidata label for the local language as plain text. -- If there is no label in the local language, it displays the qid instead. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getLabel = function(frame)  local itemID = mw.text.trim(frame.args[1] or frame.args.qid or "")  if itemID == "" then return end  local lang = frame.args.lang or ""  if lang == "" then lang = nil end  local label = labelOrId(itemID, lang)  return label end   ------------------------------------------------------------------------------- -- label has the qid of a Wikidata entity passed as the first unnamed parameter or as  qid= -- if no qid is supplied, it uses the qid associated with the current page. -- It returns the Wikidata label for the local language as plain text. -- If there is no label in the local language, it returns nil. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.label = function(frame)  local qid = mw.text.trim(frame.args[1] or frame.args.qid or "")  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return end  local lang = frame.args.lang or ""  if lang == "" then lang = nil end  local label, success = labelOrId(qid, lang)  if success then return label end end   ------------------------------------------------------------------------------- -- getAT (Article Title) -- has the qid of a Wikidata entity passed as the first unnamed parameter or as  qid= -- If there is a sitelink to an article on the local Wiki, it returns the sitelink as plain text. -- If there is no sitelink or qid supplied, it returns nothing. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getAT = function(frame)  local itemID = mw.text.trim(frame.args[1] or frame.args.qid or "")  if itemID == "" then return end  return mw.wikibase.getSitelink(itemID) end   ------------------------------------------------------------------------------- -- getDescription has the qid of a Wikidata entity passed as  qid= -- (it defaults to the associated qid of the current article if omitted) -- and a local parameter passed as the first unnamed parameter. -- Any local parameter passed (other than "Wikidata" or "none") becomes the return value. -- It returns the article description for the Wikidata entity if the local parameter is "Wikidata". -- Nothing is returned if the description doesn't exist or "none" is passed as the local parameter. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getDescription = function(frame)  local desc = mw.text.trim(frame.args[1] or "")  local itemID = mw.text.trim(frame.args.qid or "")  if itemID == "" then itemID = nil end  if desc:lower() == 'wikidata' then   return mw.wikibase.getDescription(itemID)  elseif desc:lower() == 'none' then   return nil  else   return desc  end end   ------------------------------------------------------------------------------- -- getAliases has the qid of a Wikidata entity passed as  qid= -- (it defaults to the associated qid of the current article if omitted) -- and a local parameter passed as the first unnamed parameter. -- It implements blacklisting and whitelisting with a field name of "alias" by default. -- Any local parameter passed becomes the return value. -- Otherwise it returns the aliases for the Wikidata entity with the usual list options. -- Nothing is returned if the aliases do not exist. ------------------------------------------------------------------------------- -- Dependencies: findLang(); assembleoutput() ------------------------------------------------------------------------------- p.getAliases = function(frame)  local args = frame.args   local fieldname = args.name or ""  if fieldname == "" then fieldname = "alias" end   local blacklist = args.suppressfields or args.spf or ""  if blacklist:find(fieldname) then return nil end   local localval = mw.text.trim(args[1] or "")  if localval ~= "" then return localval end   local whitelist = args.fetchwikidata or args.fwd or ""  if whitelist == "" then whitelist = "NONE" end  if not (whitelist == 'ALL' or whitelist:find(fieldname)) then return nil end   local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid or not mw.wikibase.entityExists(qid) then return nil end   local aliases = mw.wikibase.getEntity(qid).aliases  if not aliases then return nil end   args.langobj = findLang(args.lang)  local langcode = args.langobj.code  args.lang = langcode   local out = {}  for k1, v1 in pairs(aliases) do   if v1[1].language == langcode then    for k1, v2 in ipairs(v1) do     out[#out+1] = v2.value    end    break   end  end   return assembleoutput(out, args, qid) end   ------------------------------------------------------------------------------- -- pageId returns the page id (entity ID, Qnnn) of the current page -- returns nothing if the page is not connected to Wikidata ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.pageId = function(frame)  return mw.wikibase.getEntityIdForCurrentPage() end   ------------------------------------------------------------------------------- -- formatDate is a wrapper to export the private function format_Date ------------------------------------------------------------------------------- -- Dependencies: format_Date(); ------------------------------------------------------------------------------- p.formatDate = function(frame)  return format_Date(frame.args[1], frame.args.df, frame.args.bc) end   ------------------------------------------------------------------------------- -- location is a wrapper to export the private function _location -- it takes the entity-id as qid or the first unnamed parameter -- optional boolean parameter first toggles the display of the first item -- optional boolean parameter skip toggles the display to skip to the last item -- parameter debug=<y/n> (default 'n') adds error msg if not a location ------------------------------------------------------------------------------- -- Dependencies: _location(); ------------------------------------------------------------------------------- p.location = function(frame)  local debug = (frame.args.debug or ""):sub(1, 1):lower()  if debug == "" then debug = "n" end  local qid = mw.text.trim(frame.args.qid or frame.args[1] or ""):upper()  if qid == "" then qid=mw.wikibase.getEntityIdForCurrentPage() end  if not qid then   if debug ~= "n" then    return i18n.errors["entity-not-found"]   else    return nil   end  end  local first = mw.text.trim(frame.args.first or "")  local skip = mw.text.trim(frame.args.skip or "")  return table.concat( _location(qid, first, skip), ", " ) end   ------------------------------------------------------------------------------- -- checkBlacklist implements a test to check whether a named field is allowed -- returns true if the field is not blacklisted (i.e. allowed) -- returns false if the field is blacklisted (i.e. disallowed) -- {{#if:{{#invoke:WikidataIB  checkBlacklist  name=Joe  suppressfields=Dave; Joe; Fred}}   not blacklisted   blacklisted}} -- displays "blacklisted" -- {{#if:{{#invoke:WikidataIB  checkBlacklist  name=Jim  suppressfields=Dave; Joe; Fred}}   not blacklisted   blacklisted}} -- displays "not blacklisted" ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.checkBlacklist = function(frame)  local blacklist = frame.args.suppressfields or frame.args.spf or ""  local fieldname = frame.args.name or ""  if blacklist ~= "" and fieldname ~= "" then   if blacklist:find(fieldname) then    return false   else    return true   end  else   -- one of the fields is missing: let's call that "not on the list"   return true  end end   ------------------------------------------------------------------------------- -- emptyor returns nil if its first unnamed argument is just punctuation, whitespace or html tags -- otherwise it returns the argument unchanged (including leading/trailing space). -- If the argument may contain "=", then it must be called explicitly: --  1=arg -- (In that case, leading and trailing spaces are trimmed) -- It finds use in infoboxes where it can replace tests like: -- {{#if: {{#invoke:WikidatIB  getvalue  P99  fwd=ALL}}   <span class="xxx">{{#invoke:WikidatIB  getvalue  P99  fwd=ALL}}</span>   }} -- with a form that uses just a single call to Wikidata: -- {{#invoke  WikidataIB  emptyor  1= <span class="xxx">{{#invoke:WikidataIB  getvalue  P99  fwd=ALL}}</span> }} ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.emptyor = function(frame)  local s = frame.args[1] or ""  if s == "" then return nil end  local sx = s:gsub("%s", ""):gsub("<[^>]*>", ""):gsub("%p", "")  if sx == "" then   return nil  else   return s  end end   ------------------------------------------------------------------------------- -- labelorid is a public function to expose the output of labelOrId() -- Pass the Q-number as  qid= or as an unnamed parameter. -- It returns the Wikidata label for that entity or the qid if no label exists. ------------------------------------------------------------------------------- -- Dependencies: labelOrId ------------------------------------------------------------------------------- p.labelorid = function(frame)  return (labelOrId(frame.args.qid or frame.args[1])) end   ------------------------------------------------------------------------------- -- getLang returns the MediaWiki language code of the current content. -- If optional parameter  style=full, it returns the language name. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getLang = function(frame)  local style = (frame.args.style or ""):lower()  local langcode = mw.language.getContentLanguage().code  if style == "full" then   return mw.language.fetchLanguageName( langcode )  end  return langcode end   ------------------------------------------------------------------------------- -- getItemLangCode takes a qid parameter (using the current page's qid if blank) -- If the item for that qid has property country (P17) it looks at the first preferred value -- If the country has an official language (P37), it looks at the first preferred value -- If that official language has a language code (P424), it returns the first preferred value -- Otherwise it returns nothing. ------------------------------------------------------------------------------- -- Dependencies: _getItemLangCode() ------------------------------------------------------------------------------- p.getItemLangCode = function(frame)  return _getItemLangCode(frame.args.qid or frame.args[1]) end   ------------------------------------------------------------------------------- -- findLanguage exports the local findLang() function -- It takes an optional language code and returns, in order of preference: -- the code if a known language; -- the user's language, if set; -- the server's content language. ------------------------------------------------------------------------------- -- Dependencies: findLang ------------------------------------------------------------------------------- p.findLanguage = function(frame)  return findLang(frame.args.lang or frame.args[1]).code end   ------------------------------------------------------------------------------- -- getQid returns the qid, if supplied -- failing that, the Wikidata entity ID of the "category's main topic (P301)", if it exists -- failing that, the Wikidata entity ID associated with the current page, if it exists -- otherwise, nothing ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getQid = function(frame)  local qid = (frame.args.qid or ""):upper()  -- check if a qid was passed; if so, return it:  if qid ~= "" then return qid end  -- check if there's a "category's main topic (P301)":  qid = mw.wikibase.getEntityIdForCurrentPage()  if qid then   local prop301 = mw.wikibase.getBestStatements(qid, "P301")   if prop301[1] then    local mctid = prop301[1].mainsnak.datavalue.value.id    if mctid then return mctid end   end  end  -- otherwise return the page qid (if any)  return qid end   ------------------------------------------------------------------------------- -- followQid takes four optional parameters: qid, props, list and all. -- If qid is not given, it uses the qid for the connected page -- or returns nil if there isn't one. -- props is a list of properties, separated by punctuation. -- If props is given, the Wikidata item for the qid is examined for each property in turn. -- If that property contains a value that is another Wikibase-item, that item's qid is returned, -- and the search terminates, unless  all=y when all of the qids are returned, separated by spaces. -- If  list= is set to a template, the qids are passed as arguments to the template. -- If props is not given, the qid is returned. ------------------------------------------------------------------------------- -- Dependencies: parseParam() ------------------------------------------------------------------------------- p._followQid = function(args)  local qid = (args.qid or ""):upper()  local all = parseParam(args.all, false)  local list = args.list or ""  if list == "" then list = nil end  if qid == "" then   qid = mw.wikibase.getEntityIdForCurrentPage()  end  if not qid then return nil end  local out = {}  local props = (args.props or ""):upper()  if props ~= "" then   for p in mw.text.gsplit(props, "%p") do -- split at punctuation and iterate    p = mw.text.trim(p)    for i, v in ipairs( mw.wikibase.getBestStatements(qid, p) ) do     local linkedid = v.mainsnak.datavalue and v.mainsnak.datavalue.value.id     if linkedid then      if all then       out[#out+1] = linkedid      else       return linkedid      end -- test for all or just the first one found     end -- test for value exists for that property    end -- loop through values of property to follow   end -- loop through list of properties to follow  end  if #out > 0 then   local ret = ""   if list then    ret = mw.getCurrentFrame():expandTemplate{title = list, args = out}   else    ret = table.concat(out, " ")   end   return ret  else   return qid  end end  p.followQid = function(frame)  return p._followQid(frame.args) end   ------------------------------------------------------------------------------- -- globalSiteID returns the globalSiteID for the current wiki -- e.g. returns "enwiki" for the English Wikipedia, "enwikisource" for English Wikisource, etc. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.globalSiteID = function(frame)  return mw.wikibase.getGlobalSiteId() end   ------------------------------------------------------------------------------- -- siteID returns the root of the globalSiteID -- e.g. "en" for "enwiki", "enwikisource", etc. -- treats "en-gb" as "en", etc. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.siteID = function(frame)  local txtlang = frame:callParserFunction('int', {'lang'}) or ""  -- This deals with specific exceptions: be-tarask -> be-x-old  if txtlang == "be-tarask" then   return "be_x_old"  end  local pos = txtlang:find("-")  local ret = ""  if pos then   ret = txtlang:sub(1, pos-1)  else   ret = txtlang  end  return ret end   ------------------------------------------------------------------------------- -- projID returns the code used to link to the reader's language's project -- e.g "en" for [[:en:WikidataIB]] -- treats "en-gb" as "en", etc. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.projID = function(frame)  local txtlang = frame:callParserFunction('int', {'lang'}) or ""  -- This deals with specific exceptions: be-tarask -> be-x-old  if txtlang == "be-tarask" then   return "be-x-old"  end  local pos = txtlang:find("-")  local ret = ""  if pos then   ret = txtlang:sub(1, pos-1)  else   ret = txtlang  end  return ret end   ------------------------------------------------------------------------------- -- formatNumber formats a number according to the the supplied language code (" lang=") -- or the default language if not supplied. -- The number is the first unnamed parameter or " num=" ------------------------------------------------------------------------------- -- Dependencies: findLang() ------------------------------------------------------------------------------- p.formatNumber = function(frame)  local lang  local num = tonumber(frame.args[1] or frame.args.num) or 0  lang = findLang(frame.args.lang)  return lang:formatNum( num ) end   ------------------------------------------------------------------------------- -- examine dumps the property (the unnamed parameter or pid) -- from the item given by the parameter 'qid' (or the other unnamed parameter) -- or from the item corresponding to the current page if qid is not supplied. -- e.g. {{#invoke:WikidataIB  examine  pid=P26  qid=Q42}} -- or {{#invoke:WikidataIB  examine  P26  Q42}} or any combination of these -- or {{#invoke:WikidataIB  examine  P26}} for the current page. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.examine = function( frame )  local args  if frame.args[1] or frame.args.pid or frame.args.qid then   args = frame.args  else   args = frame:getParent().args  end  local par = {}  local pid = (args.pid or ""):upper()  local qid = (args.qid or ""):upper()  par[1] = mw.text.trim( args[1] or "" ):upper()  par[2] = mw.text.trim( args[2] or "" ):upper()  table.sort(par)  if par[2]:sub(1,1) == "P" then par[1], par[2] = par[2], par[1] end  if pid == "" then pid = par[1] end  if qid == "" then qid = par[2] end  local q1 = qid:sub(1,1)  if pid:sub(1,1) ~= "P" then return "No property supplied" end  if q1 ~= "Q" and q1 ~= "M" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return "No item for this page" end  return "<pre>" .. mw.dumpObject( mw.wikibase.getAllStatements( qid, pid ) ) .. "</pre>" end   ------------------------------------------------------------------------------- -- checkvalue looks for 'val' as a wikibase-item value of a property (the unnamed parameter or pid) -- from the item given by the parameter 'qid' -- or from the Wikidata item associated with the current page if qid is not supplied. -- It only checks ranks that are requested (preferred and normal by default) -- If property is not supplied, then P31 (instance of) is assumed. -- It returns val if found or nothing if not found. -- e.g. {{#invoke:WikidataIB  checkvalue  val=Q5  pid=P31  qid=Q42}} -- or {{#invoke:WikidataIB  checkvalue  val=Q5  P31  qid=Q42}} -- or {{#invoke:WikidataIB  checkvalue  val=Q5  qid=Q42}} -- or {{#invoke:WikidataIB  checkvalue  val=Q5  P31}} for the current page. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.checkvalue = function( frame )  local args  if frame.args.val then   args = frame.args  else   args = frame:getParent().args  end  local val = args.val  if not val then return nil end  local pid = mw.text.trim(args.pid or args[1] or "P31"):upper()  local qid = (args.qid or ""):upper()  if pid:sub(1,1) ~= "P" then return nil end  if qid:sub(1,1) ~= "Q" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return nil end  local ranks = setRanks(args.rank)  local stats = {}  if ranks.b then   stats = mw.wikibase.getBestStatements(qid, pid)  else   stats = mw.wikibase.getAllStatements( qid, pid )  end  if not stats[1] then return nil end  if stats[1].mainsnak.datatype == "wikibase-item" then   for k, v in pairs( stats ) do    local ms = v.mainsnak    if ranks[v.rank:sub(1,1)] and ms.snaktype == "value" and ms.datavalue.value.id == val then     return val    end   end  end  return nil end   ------------------------------------------------------------------------------- -- url2 takes a parameter url= that is a proper url and formats it for use in an infobox. -- If no parameter is supplied, it returns nothing. -- This is the equivalent of Template:URL -- but it keeps the "edit at Wikidata" pen icon out of the microformat. -- Usually it will take its url parameter directly from a Wikidata call: -- e.g. {{#invoke:WikidataIB  url2  url={{wdib  P856  qid=Q23317  fwd=ALL  osd=no}} }} ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.url2 = function(frame)  local txt = frame.args.url or ""  if txt == "" then return nil end  -- extract any icon  local url, icon = txt:match("(.+)&nbsp;(.+)")  -- make sure there's at least a space at the end  url = (url or txt) .. " "  icon = icon or ""  -- extract any protocol like https://  local prot = url:match("(https*://).+[ \"\']")  -- extract address  local addr = ""  if prot then   addr = url:match("https*://(.+)[ \"\']") or " "  else   prot = "//"   addr = url:match("[^%p%s]+%.(.+)[ \"\']") or " "  end  -- strip trailing / from end of domain-only url and add <wbr/> before . and /  local disp, n = addr:gsub( "^([^/]+)/$", "%1" ):gsub("%/", "<wbr/>/"):gsub("%.", "<wbr/>.")  return '<span class="url">[' .. prot .. addr .. " " .. disp .. "]</span>&nbsp;" .. icon end   ------------------------------------------------------------------------------- -- getWebsite fetches the Official website (P856) and formats it for use in an infobox. -- This is similar to Template:Official website but with a url displayed, -- and it adds the "edit at Wikidata" pen icon beyond the microformat if enabled. -- A local value will override the Wikidata value. "NONE" returns nothing. -- e.g. {{#invoke:WikidataIB  getWebsite  qid=  noicon=  lang=  url= }} ------------------------------------------------------------------------------- -- Dependencies: findLang(); parseParam(); ------------------------------------------------------------------------------- p.getWebsite = function(frame)  local url = frame.args.url or ""  if url:upper() == "NONE" then return nil end  local urls = {}  local quals = {}  local qid = frame.args.qid or ""  if url and url ~= "" then   urls[1] = url  else   if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end   if not qid then return nil end    local prop856 = mw.wikibase.getBestStatements(qid, "P856")   for k, v in pairs(prop856) do    if v.mainsnak.snaktype == "value" then     urls[#urls+1] = v.mainsnak.datavalue.value     if v.qualifiers and v.qualifiers["P1065"] then       -- just take the first archive url (P1065)      local au = v.qualifiers["P1065"][1]      if au.snaktype == "value" then       quals[#urls] = au.datavalue.value      end -- test for archive url having a value     end -- test for qualifers    end -- test for website having a value   end -- loop through website(s)  end  if #urls == 0 then return nil end   local out = {}  for i, u in ipairs(urls) do   local link = quals[i] or u   local prot, addr = u:match("(http[s]*://)(.+)")   addr = addr or u   local disp, n = addr:gsub("%.", "<wbr/>%.")   out[#out+1] = '<span class="url">[' .. link .. " " .. disp .. "]</span>"  end   local langcode = findLang(frame.args.lang).code  local noicon = parseParam(frame.args.noicon, false)  if url == "" and not noicon then   out[#out] = out[#out] .. createicon(langcode, qid, "P856")  end   local ret = ""  if #out > 1 then   ret = mw.getCurrentFrame():expandTemplate{title = "ubl", args = out}  else   ret = out[1]  end   return ret end   ------------------------------------------------------------------------------- -- getAllLabels fetches the set of labels and formats it for display as wikitext. -- It takes a parameter 'qid' for arbitrary access, otherwise it uses the current page. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getAllLabels = function(frame)  local args = frame.args or frame:getParent().args or {}   local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid or not mw.wikibase.entityExists(qid) then return i18n["entity-not-found"] end   local labels = mw.wikibase.getEntity(qid).labels  if not labels then return i18n["labels-not-found"] end   local out = {}  for k, v in pairs(labels) do   out[#out+1] = v.value .. " (" .. v.language .. ")"  end   return table.concat(out, "; ") end   ------------------------------------------------------------------------------- -- getAllDescriptions fetches the set of descriptions and formats it for display as wikitext. -- It takes a parameter 'qid' for arbitrary access, otherwise it uses the current page. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getAllDescriptions = function(frame)  local args = frame.args or frame:getParent().args or {}   local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid or not mw.wikibase.entityExists(qid) then return i18n["entity-not-found"] end   local descriptions = mw.wikibase.getEntity(qid).descriptions  if not descriptions then return i18n["descriptions-not-found"] end   local out = {}  for k, v in pairs(descriptions) do   out[#out+1] = v.value .. " (" .. v.language .. ")"  end   return table.concat(out, "; ") end   ------------------------------------------------------------------------------- -- getAllAliases fetches the set of aliases and formats it for display as wikitext. -- It takes a parameter 'qid' for arbitrary access, otherwise it uses the current page. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.getAllAliases = function(frame)  local args = frame.args or frame:getParent().args or {}   local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid or not mw.wikibase.entityExists(qid) then return i18n["entity-not-found"] end   local aliases = mw.wikibase.getEntity(qid).aliases  if not aliases then return i18n["aliases-not-found"] end   local out = {}  for k1, v1 in pairs(aliases) do   local lang = v1[1].language   local val = {}   for k1, v2 in ipairs(v1) do    val[#val+1] = v2.value   end   out[#out+1] = table.concat(val, ", ") .. " (" .. lang .. ")"  end   return table.concat(out, "; ") end   ------------------------------------------------------------------------------- -- showNoLinks displays the article titles that should not be linked. ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- p.showNoLinks = function(frame)  local out = {}  for k, v in pairs(donotlink) do   out[#out+1] = k  end  table.sort( out )  return table.concat(out, "; ") end   ------------------------------------------------------------------------------- -- checkValidity checks whether the first unnamed parameter represents a valid entity-id, -- that is, something like Q1235 or P123. -- It returns the strings "true" or "false". -- Change false to nil to return "true" or "" (easier to test with #if:). ------------------------------------------------------------------------------- -- Dependencies: none ------------------------------------------------------------------------------- function p.checkValidity(frame)  local id = mw.text.trim(frame.args[1] or "")  if mw.wikibase.isValidEntityId(id) then   return true  else   return false  end end   ------------------------------------------------------------------------------- -- getEntityFromTitle returns the Entity-ID (Q-number) for a given title. -- Modification of Module:ResolveEntityId -- The title is the first unnamed parameter. -- The site parameter determines the site/language for the title. Defaults to current wiki. -- The showdab parameter determines whether dab pages should return the Q-number or nil. Defaults to true. -- Returns the Q-number or nil if it does not exist. ------------------------------------------------------------------------------- -- Dependencies: parseParam ------------------------------------------------------------------------------- function p.getEntityFromTitle(frame)  local args=frame.args  if not args[1] then args=frame:getParent().args end  if not args[1] then return nil end  local title = mw.text.trim(args[1])  local site = args.site or ""  local showdab = parseParam(args.showdab, true)  local qid = mw.wikibase.getEntityIdForTitle(title, site)  if qid then   local prop31 = mw.wikibase.getBestStatements(qid, "P31")[1]   if not showdab and prop31 and prop31.mainsnak.datavalue.value.id == "Q4167410" then    return nil   else    return qid   end  end end   ------------------------------------------------------------------------------- -- getDatePrecision returns the number representing the precision of the first best date value -- for the given property. -- It takes the qid and property ID -- The meanings are given at https://www.mediawiki.org/wiki/Wikibase/DataModel#Dates_and_times -- 0 = 1 billion years .. 6 = millennium, 7 = century, 8 = decade, 9 = year, 10 = month, 11 = day -- Returns 0 (or the second unnamed parameter) if the Wikidata does not exist. ------------------------------------------------------------------------------- -- Dependencies: parseParam; sourced; ------------------------------------------------------------------------------- function p.getDatePrecision(frame)  local args=frame.args  if not args[1] then args=frame:getParent().args end  local default = tonumber(args[2] or args.default) or 0  local prop = mw.text.trim(args[1] or "")  if prop == "" then return default end  local qid = args.qid or ""  if qid == "" then qid = mw.wikibase.getEntityIdForCurrentPage() end  if not qid then return default end  local onlysrc = parseParam(args.onlysourced or args.osd, true)  local stat = mw.wikibase.getBestStatements(qid, prop)  for i, v in ipairs(stat) do   local prec = (onlysrc == false or sourced(v))    and v.mainsnak.datavalue    and v.mainsnak.datavalue.value    and v.mainsnak.datavalue.value.precision   if prec then return prec end  end  return default end   return p   ------------------------------------------------------------------------------- -- List of exported functions ------------------------------------------------------------------------------- --[[ _getValue getValue getPreferredValue getCoords getQualifierValue getSumOfParts getValueByQual getValueByLang getValueByRefSource getPropertyIDs getQualifierIDs getPropOfProp getAwardCat getIntersectCat getGlobe getCommonsLink getSiteLink getLink getLabel label getAT getDescription getAliases pageId formatDate location checkBlacklist emptyor labelorid getLang getItemLangCode findLanguage getQID followQid globalSiteID siteID projID formatNumber examine checkvalue url2 getWebsite getAllLabels getAllDescriptions getAllAliases showNoLinks checkValidity getEntityFromTitle getDatePrecision --]] -------------------------------------------------------------------------------