Модуль:WikidataIB — Вікіпедія

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{{#invoke:WikidataIB|назва функції}}

 -- 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 --]] -------------------------------------------------------------------------------