-- vim: set noexpandtab ft=lua ts=4 sw=4: require('Module:No globals')  local p = {} local debug = false  -- module local variables and functions  local wiki = { 	langcode = mw.language.getContentLanguage().code }  -- internationalisation local i18n = { 	["errors"] = 	{ 		["property-not-found"] = "বৈশিষ্ট্য পাওয়া যায়নি।", 		["entity-not-found"] = "উইকিউপাত্তের সত্তা পাওয়া যায়নি।", 		["unknown-claim-type"] = "বিবৃতির ধরন অজানা।", 		["unknown-entity-type"] = "সত্তার ধরন অজানা।", 		["qualifier-not-found"] = "বাছাই পাওয়া যায়নি।", 		["site-not-found"] = "উইকিমিডিয়া প্রকল্প পাওয়া যায়নি।", 		["unknown-datetime-format"] = "তারিখ সময়ের বিন্যাস অজানা।", 		["local-article-not-found"] = "নিবন্ধটি এখনো এই উইকিতে উপলব্ধ নয়।" 	}, 	["datetime"] = 	{ 		-- $1 is a placeholder for the actual number 		[0] = "$1 billion years",	-- precision: billion years 		[1] = "$100 million years",	-- precision: hundred million years 		[2] = "$10 million years",	-- precision: ten million years 		[3] = "$1 million years",	-- precision: million years 		[4] = "$100,000 years",		-- precision: hundred thousand years 		[5] = "$10,000 years",		-- precision: ten thousand years 		[6] = "$1 millennium",		-- precision: millennium 		[7] = "$1 century",			-- precision: century 		[8] = "$1s",				-- precision: decade 		-- the following use the format of #time parser function 		[9]  = "Y",					-- precision: year, 		[10] = "F Y",				-- precision: month 		[11] = "F j, Y",			-- precision: day 		[12] = "F j, Y ga",			-- precision: hour 		[13] = "F j, Y g:ia",		-- precision: minute 		[14] = "F j, Y g:i:sa",		-- precision: second 		["beforenow"] = "$1 BCE",	-- how to format negative numbers for precisions 0 to 5 		["afternow"] = "$1 CE",		-- how to format positive numbers for precisions 0 to 5 		["bc"] = '$1 "BCE"',		-- how print negative years 		["ad"] = "$1",				-- how print positive years 		-- the following are for function getDateValue() and getQualifierDateValue() 		["default-format"] = "dmy", -- default value of the #3 (getDateValue) or 									-- #4 (getQualifierDateValue) argument 		["default-addon"] = "BC",	-- default value of the #4 (getDateValue) or 									-- #5 (getQualifierDateValue) argument 		["prefix-addon"] = false,	-- set to true for languages put "BC" in front of the 									-- datetime string; or the addon will be suffixed 		["addon-sep"] = " ",		-- separator between datetime string and addon (or inverse) 		["format"] =				-- options of the 3rd argument 		{ 			["mdy"] = "F j, Y", 			["my"] = "F Y", 			["y"] = "Y", 			["dmy"] = "j F Y", 			["ymd"] = "Y-m-d", 			["ym"] = "Y-m" 		} 	}, 	["monolingualtext"] = '%text', 	["warnDump"] = "Category:Called function 'Dump' from module Wikidata", 	["ordinal"] = 	{ 		[1] = "st", 		[2] = "nd", 		[3] = "rd", 		["default"] = "th" 	} }  --require("Module:i18n").loadI18n("Module:Wikidata/i18n", i18n) -- got idea from :w:Module:Wd local module_title; if ... == nil then 	module_title = mw.getCurrentFrame():getTitle() else 	module_title = ... end require('Module:i18n').loadI18n(module_title..'/i18n', i18n)  -- this function needs to be internationalised along with the above: -- takes cardinal numer as a numeric and returns the ordinal as a string -- we need three exceptions in English for 1st, 2nd, 3rd, 21st, .. 31st, etc. local function makeOrdinal (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  local function printError(code) 	return '' .. (i18n.errors[code] or code) .. '' end local function parseDateFormat(f, timestamp, addon, prefix_addon, addon_sep)  	local year_suffix 	local tstr = "" 	local lang_obj = mw.language.new(wiki.langcode) 	local f_parts = mw.text.split(f, 'Y', true) 	for idx, f_part in pairs(f_parts) do 		year_suffix = 		if string.match(f_part, "x[mijkot]$") then 			-- for non-Gregorian year 			f_part = f_part .. 'Y' 		elseif idx < #f_parts then 			-- supress leading zeros in year 			year_suffix = lang_obj:formatDate('Y', timestamp) 			year_suffix = string.gsub(year_suffix, '^0+', , 1) 		end 		tstr = tstr .. lang_obj:formatDate(f_part, timestamp) .. year_suffix 	end 	if addon ~= "" and prefix_addon then 		return addon .. addon_sep .. tstr 	elseif addon ~= "" then 		return tstr .. addon_sep .. addon 	else 		return tstr 	end end local function parseDateValue(timestamp, date_format, date_addon) 	local prefix_addon = i18n["datetime"]["prefix-addon"] 	local addon_sep = i18n["datetime"]["addon-sep"] 	local addon = ""  	-- check for negative date 	if string.sub(timestamp, 1, 1) == '-' then 		timestamp = '+' .. string.sub(timestamp, 2) 		addon = date_addon 	end 	local _date_format = i18n["datetime"]["format"][date_format] 	if _date_format ~= nil then 		return parseDateFormat(_date_format, timestamp, addon, prefix_addon, addon_sep) 	else 		return printError("unknown-datetime-format") 	end end  -- This local function combines the year/month/day/BC/BCE handling of parseDateValue{} -- with the millennium/century/decade handling of formatDate() local function parseDateFull(timestamp, precision, date_format, date_addon) 	local prefix_addon = i18n["datetime"]["prefix-addon"] 	local addon_sep = i18n["datetime"]["addon-sep"] 	local addon = ""  	-- check for negative date 	if string.sub(timestamp, 1, 1) == '-' then 		timestamp = '+' .. string.sub(timestamp, 2) 		addon = date_addon 	end  	-- get the next four characters after the + (should be the year now in all cases) 	-- ok, so this is dirty, but let's get it working first 	local intyear = tonumber(string.sub(timestamp, 2, 5)) 	if intyear == 0 and precision <= 9 then 		return "" 	end  	-- precision is 10000 years or more 	if precision <= 5 then 		local factor = 10 ^ ((5 - precision) + 4) 		local y2 = math.ceil(math.abs(intyear) / factor) 		local relative = mw.ustring.gsub(i18n.datetime[precision], "$1", tostring(y2)) 		if addon ~= "" then 			-- negative date 			relative = mw.ustring.gsub(i18n.datetime.beforenow, "$1", relative) 		else 			relative = mw.ustring.gsub(i18n.datetime.afternow, "$1", relative) 		end 		return relative 	end  	-- precision is decades (8), centuries (7) and millennia (6) 	local era, card 	if precision == 6 then 		card = math.floor((intyear - 1) / 1000) + 1 		era = mw.ustring.gsub(i18n.datetime[6], "$1", makeOrdinal(card)) 	end 	if precision == 7 then 		card = math.floor((intyear - 1) / 100) + 1 		era = mw.ustring.gsub(i18n.datetime[7], "$1", makeOrdinal(card)) 	end 	if precision == 8 then 		era = mw.ustring.gsub(i18n.datetime[8], "$1", tostring(math.floor(math.abs(intyear) / 10) * 10)) 	end 	if era then 		if addon ~= "" then 			era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.bc, '"', ""), "$1", era) 		else 			era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.ad, '"', ""), "$1", era) 		end 		return era 	end  	local _date_format = i18n["datetime"]["format"][date_format] 	if _date_format ~= nil then 		-- check for precision is year and override supplied date_format 		if precision == 9 then 			_date_format = i18n["datetime"][9] 		end 		return parseDateFormat(_date_format, timestamp, addon, prefix_addon, addon_sep) 	else 		return printError("unknown-datetime-format") 	end end  -- the "qualifiers" and "snaks" field have a respective "qualifiers-order" and "snaks-order" field -- use these as the second parameter and this function instead of the built-in "pairs" function -- to iterate over all qualifiers and snaks in the intended order. local function orderedpairs(array, order) 	if not order then return pairs(array) end  	-- return iterator function 	local i = 0 	return function() 		i = i + 1 		if order[i] then 			return order[i], array[order[i]] 		end 	end end  -- precision: 0 - billion years, 1 - hundred million years, ..., 6 - millennia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second local function normalizeDate(date) 	date = mw.text.trim(date, "+") 	-- extract year 	local yearstr = mw.ustring.match(date, "^\-?%d+") 	local year = tonumber(yearstr) 	-- remove leading zeros of year 	return year .. mw.ustring.sub(date, #yearstr + 1), year end  local function formatDate(date, precision, timezone) 	precision = precision or 11 	local date, year = normalizeDate(date) 	if year == 0 and precision <= 9 then return "" end  	-- precision is 10000 years or more 	if precision <= 5 then 		local factor = 10 ^ ((5 - precision) + 4) 		local y2 = math.ceil(math.abs(year) / factor) 		local relative = mw.ustring.gsub(i18n.datetime[precision], "$1", tostring(y2)) 		if year < 0 then 			relative = mw.ustring.gsub(i18n.datetime.beforenow, "$1", relative) 		else 			relative = mw.ustring.gsub(i18n.datetime.afternow, "$1", relative) 		end 		return relative 	end  	-- precision is decades, centuries and millennia 	local era 	if precision == 6 then era = mw.ustring.gsub(i18n.datetime[6], "$1", tostring(math.floor((math.abs(year) - 1) / 1000) + 1)) end 	if precision == 7 then era = mw.ustring.gsub(i18n.datetime[7], "$1", tostring(math.floor((math.abs(year) - 1) / 100) + 1)) end 	if precision == 8 then era = mw.ustring.gsub(i18n.datetime[8], "$1", tostring(math.floor(math.abs(year) / 10) * 10)) end 	if era then 		if year < 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.bc, '"', ""), "$1", era) 		elseif year > 0 then era = mw.ustring.gsub(mw.ustring.gsub(i18n.datetime.ad, '"', ""), "$1", era) end 		return era 	end  	-- precision is year 	if precision == 9 then 		return year 	end  	-- precision is less than years 	if precision > 9 then 		--[[ the following code replaces the UTC suffix with the given negated timezone to convert the global time to the given local time 		timezone = tonumber(timezone) 		if timezone and timezone ~= 0 then 			timezone = -timezone 			timezone = string.format("%.2d%.2d", timezone / 60, timezone % 60) 			if timezone[1] ~= '-' then timezone = "+" .. timezone end 			date = mw.text.trim(date, "Z") .. " " .. timezone 		end 		]]--  		local formatstr = i18n.datetime[precision] 		if year == 0 then formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], "") 		elseif year < 0 then 			-- Mediawiki formatDate doesn't support negative years 			date = mw.ustring.sub(date, 2) 			formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.bc, "$1", i18n.datetime[9])) 		elseif year > 0 and i18n.datetime.ad ~= "$1" then 			formatstr = mw.ustring.gsub(formatstr, i18n.datetime[9], mw.ustring.gsub(i18n.datetime.ad, "$1", i18n.datetime[9])) 		end 		return mw.language.new(wiki.langcode):formatDate(formatstr, date) 	end end  local function printDatavalueEntity(data, parameter) 	-- data fields: entity-type [string], numeric-id [int, Wikidata id] 	local id  	if data["entity-type"] == "item" then id = "Q" .. data["numeric-id"] 	elseif data["entity-type"] == "property" then id = "P" .. data["numeric-id"] 	else return printError("unknown-entity-type") 	end  	if parameter then 		if parameter == "link" then 			local linkTarget = mw.wikibase.sitelink(id) 			local linkName = mw.wikibase.label(id) 			if linkTarget then 				-- if there is a local Wikipedia article link to it using the label or the article title 				return "" .. (linkName or linkTarget) .. "" 			else 				-- if there is no local Wikipedia article output the label or link to the Wikidata object to let the user input a proper label 				if linkName then return linkName else return "" .. id .. "" end 			end 		else 			return data[parameter] 		end 	else 		return mw.wikibase.label(id) or id 	end end  local function printDatavalueTime(data, parameter) 	-- data fields: time [ISO 8601 time], timezone [int in minutes], before [int], after [int], precision [int], calendarmodel [wikidata URI] 	--   precision: 0 - billion years, 1 - hundred million years, ..., 6 - millennia, 7 - century, 8 - decade, 9 - year, 10 - month, 11 - day, 12 - hour, 13 - minute, 14 - second 	--   calendarmodel: e.g. http://www.wikidata.org/entity/Q1985727 for the proleptic Gregorian calendar or http://www.wikidata.org/wiki/Q11184 for the Julian calendar] 	if parameter then 		if parameter == "calendarmodel" then data.calendarmodel = mw.ustring.match(data.calendarmodel, "Q%d+") -- extract entity id from the calendar model URI 		elseif parameter == "time" then data.time = normalizeDate(data.time) end 		return data[parameter] 	else 		return formatDate(data.time, data.precision, data.timezone) 	end end  local function printDatavalueMonolingualText(data, parameter) 	-- data fields: language [string], text [string] 	if parameter then 		return data[parameter] 	else 		local result = mw.ustring.gsub(mw.ustring.gsub(i18n.monolingualtext, "%%language", data["language"]), "%%text", data["text"]) 		return result 	end end  local function findClaims(entity, property) 	if not property or not entity or not entity.claims then return end  	if mw.ustring.match(property, "^P%d+$") then 		-- if the property is given by an id (P..) access the claim list by this id 		return entity.claims[property] 	else 		property = mw.wikibase.resolvePropertyId(property) 		if not property then return end  		return entity.claims[property] 	end end  local function getSnakValue(snak, parameter) 	if snak.snaktype == "value" then 		-- call the respective snak parser 		if snak.datavalue.type == "string" then return snak.datavalue.value 		elseif snak.datavalue.type == "globecoordinate" then return printDatavalueCoordinate(snak.datavalue.value, parameter) 		elseif snak.datavalue.type == "quantity" then return printDatavalueQuantity(snak.datavalue.value, parameter) 		elseif snak.datavalue.type == "time" then return printDatavalueTime(snak.datavalue.value, parameter) 		elseif snak.datavalue.type == "wikibase-entityid" then return printDatavalueEntity(snak.datavalue.value, parameter) 		elseif snak.datavalue.type == "monolingualtext" then return printDatavalueMonolingualText(snak.datavalue.value, parameter) 		end 	end 	return mw.wikibase.renderSnak(snak) end  local function getQualifierSnak(claim, qualifierId) 	-- a "snak" is Wikidata terminology for a typed key/value pair 	-- a claim consists of a main snak holding the main information of this claim, 	-- as well as a list of attribute snaks and a list of references snaks 	if qualifierId then 		-- search the attribute snak with the given qualifier as key 		if claim.qualifiers then 			local qualifier = claim.qualifiers[qualifierId] 			if qualifier then return qualifier[1] end 		end 		return nil, printError("qualifier-not-found") 	else 		-- otherwise return the main snak 		return claim.mainsnak 	end end  local function getValueOfClaim(claim, qualifierId, parameter) 	local error 	local snak 	snak, error = getQualifierSnak(claim, qualifierId) 	if snak then 		return getSnakValue(snak, parameter) 	else 		return nil, error 	end end  local function getReferences(frame, claim) 	local result = "" 	-- traverse through all references 	for ref in pairs(claim.references or {}) do 		local refparts 		-- traverse through all parts of the current reference 		for snakkey, snakval in orderedpairs(claim.references[ref].snaks or {}, claim.references[ref]["snaks-order"]) do 			if refparts then refparts = refparts .. ", " else refparts = "" end 			-- output the label of the property of the reference part, e.g. "imported from" for P143 			refparts = refparts .. tostring(mw.wikibase.label(snakkey)) .. ": " 			-- output all values of this reference part, e.g. "German Wikipedia" and "English Wikipedia" if the referenced claim was imported from both sites 			for snakidx = 1, #snakval do 				if snakidx > 1 then refparts = refparts .. ", " end 				refparts = refparts .. getSnakValue(snakval[snakidx]) 			end 		end 		if refparts then result = result .. frame:extensionTag("ref", refparts) end 	end 	return result end  local function parseInput(frame) 	local qid = frame.args.qid 	if qid and (#qid == 0) then qid = nil end 	local propertyID = mw.text.trim(frame.args[1] or "") 	local input_parm = mw.text.trim(frame.args[2] or "") 	if input_parm ~= "FETCH_WIKIDATA" then 		return false, input_parm, nil, nil 	end 	local entity = mw.wikibase.getEntityObject(qid) 	local claims 	if entity and entity.claims then 		claims = entity.claims[propertyID] 		if not claims then 			return false, "", nil, nil 		end 	else 		return false, "", nil, nil 	end 	return true, entity, claims, propertyID end local function isType(claims, type) 	return claims[1] and claims[1].mainsnak.snaktype == "value" and claims[1].mainsnak.datavalue.type == type end local function getValue(entity, claims, propertyID, delim, labelHook)  	if labelHook == nil then 		labelHook = function (qnumber) 			return nil; 		end 	end 	if isType(claims, "wikibase-entityid") then 		local out = {} 		for k, v in pairs(claims) do 			local qnumber = "Q" .. v.mainsnak.datavalue.value["numeric-id"] 			local sitelink = mw.wikibase.sitelink(qnumber) 			local label = labelHook(qnumber) or mw.wikibase.label(qnumber) or qnumber 			if sitelink then 				out[#out + 1] = "" .. label .. "" 			else 				out[#out + 1] = "" .. label .. "[*]" 			end 		end 		return table.concat(out, delim) 	else 		-- just return best values 		return entity:formatPropertyValues(propertyID).value 	end end  -- module global functions  if debug then 	function p.inspectI18n(frame) 		local val = i18n 		for _, key in pairs(frame.args) do 			key = mw.text.trim(key) 			val = val[key] 		end 		return val 	end end  function p.descriptionIn(frame) 	local langcode = frame.args[1] 	local id = frame.args[2] 	-- return description of a Wikidata entity in the given language or the default language of this Wikipedia site 	return mw.wikibase.getEntityObject(id).descriptions[langcode or wiki.langcode].value end  function p.labelIn(frame) 	local langcode = frame.args[1] 	local id = frame.args[2] 	-- return label of a Wikidata entity in the given language or the default language of this Wikipedia site 	return mw.wikibase.getEntityObject(id).labels[langcode or wiki.langcode].value end  -- This is used to get a value, or a comma separated list of them if multiple values exist p.getValue = function(frame) 	local delimdefault = ", " -- **internationalise later** 	local delim = frame.args.delimiter or "" 	delim = string.gsub(delim, '"', '') 	if #delim == 0 then 		delim = delimdefault 	end 	local go, errorOrentity, claims, propertyID = parseInput(frame) 	if not go then 		return errorOrentity 	end 	return getValue(errorOrentity, claims, propertyID, delim) end  -- Same as above, but uses the short name property for label if available. p.getValueShortName = function(frame) 	local go, errorOrentity, claims, propertyID = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	-- if wiki-linked value output as link if possible 	local function labelHook (qnumber) 		local label 		local claimEntity = mw.wikibase.getEntity(qnumber) 		if claimEntity ~= nil then 			if claimEntity.claims.P1813 then 				for k2, v2 in pairs(claimEntity.claims.P1813) do 					if v2.mainsnak.datavalue.value.language == "en" then 						label = v2.mainsnak.datavalue.value.text 					end 				end 			end 		end 		if label == nil or label == "" then return nil end 		return label 	end 	return getValue(errorOrentity, claims, propertyID, ", ", labelHook); end  -- This is used to get a value, or a comma separated list of them if multiple values exist -- from an arbitrary entry by using its QID. -- Use :  -- E.g.:  - to fetch value of 'spouse' (P26) from 'Richard Burton' (Q151973) -- Please use sparingly - this is an *expensive call*. p.getValueFromID = function(frame) 	local itemID = mw.text.trim(frame.args[1] or "") 	local propertyID = mw.text.trim(frame.args[2] or "") 	local input_parm = mw.text.trim(frame.args[3] or "") 	if input_parm == "FETCH_WIKIDATA" then 		local entity = mw.wikibase.getEntity(itemID) 		local claims 		if entity and entity.claims then 			claims = entity.claims[propertyID] 		end 		if claims then 			return getValue(entity, claims, propertyID, ", ") 		else 			return "" 		end 	else 		return input_parm 	end end local function getQualifier(frame, outputHook)  	local propertyID = mw.text.trim(frame.args[1] or "") 	local qualifierID = mw.text.trim(frame.args[2] or "") 	local input_parm = mw.text.trim(frame.args[3] or "") 	if input_parm == "FETCH_WIKIDATA" then 		local entity = mw.wikibase.getEntityObject() 		if entity.claims[propertyID] ~= nil then 			local out = {} 			for k, v in pairs(entity.claims[propertyID]) do 				for k2, v2 in pairs(v.qualifiers[qualifierID]) do 					if v2.snaktype == 'value' then 						out[#out + 1] = outputHook(v2); 					end 				end 			end 			return table.concat(out, ", "), true 		else 			return "", false 		end 	else 		return input_parm, false 	end end p.getQualifierValue = function(frame) 	local function outputValue(value) 		local qnumber = "Q" .. value.datavalue.value["numeric-id"] 		if (mw.wikibase.sitelink(qnumber)) then 			return "" .. mw.wikibase.sitelink(qnumber) .. "" 		else 			return "" ..qnumber .. "[*]" 		end 	end 	return (getQualifier(frame, outputValue)) end  -- This is used to get a value like 'male' (for property p21) which won't be linked and numbers without the thousand separators p.getRawValue = function(frame) 	local go, errorOrentity, claims, propertyID = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	local result = entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value 	-- if number type: remove thousand separators, bounds and units 	if isType(claims, "quantity") then 		result = mw.ustring.gsub(result, "(%d),(%d)", "%1%2") 		result = mw.ustring.gsub(result, "(%d)±.*", "%1") 	end 	return result end  -- This is used to get the unit name for the numeric value returned by getRawValue p.getUnits = function(frame) 	local go, errorOrentity, claims, propertyID = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	local result = entity:formatPropertyValues(propertyID, mw.wikibase.entity.claimRanks).value 	if isType(claims, "quantity") then 		result = mw.ustring.sub(result, mw.ustring.find(result, " ")+1, -1) 	end 	return result end  -- This is used to get the unit's QID to use with the numeric value returned by getRawValue p.getUnitID = function(frame) 	local go, errorOrentity, claims = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	local result 	if isType(claims, "quantity") then 		-- get the url for the unit entry on Wikidata: 		result = claims[1].mainsnak.datavalue.value.unit 		-- and just reurn the last bit from "Q" to the end (which is the QID): 		result = mw.ustring.sub(result, mw.ustring.find(result, "Q"), -1) 	end 	return result end  p.getRawQualifierValue = function(frame) 	local function outputHook(value) 		if value.datavalue.value["numeric-id"] then 			return mw.wikibase.label("Q" .. value.datavalue.value["numeric-id"]) 		else 			return value.datavalue.value 		end 	end 	local ret, gotData = getQualifier(frame, outputHook) 	if gotData then 		ret = string.upper(string.sub(ret, 1, 1)) .. string.sub(ret, 2) 	end 	return ret end  -- This is used to get a date value for date_of_birth (P569), etc. which won't be linked -- Dates and times are stored in ISO 8601 format (sort of). -- At present the local formatDate(date, precision, timezone) function doesn't handle timezone -- So I'll just supply "Z" in the call to formatDate below: p.getDateValue = function(frame) 	local date_format = mw.text.trim(frame.args[3] or i18n["datetime"]["default-format"]) 	local date_addon = mw.text.trim(frame.args[4] or i18n["datetime"]["default-addon"]) 	local go, errorOrentity, claims = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	local out = {} 	for k, v in pairs(claims) do 		if v.mainsnak.datavalue.type == 'time' then 			local timestamp = v.mainsnak.datavalue.value.time 			local dateprecision = v.mainsnak.datavalue.value.precision 			-- 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") 			out[#out + 1] = parseDateFull(timestamp, dateprecision, date_format, date_addon) 		end 	end 	return table.concat(out, ", ") end p.getQualifierDateValue = function(frame) 	local date_format = mw.text.trim(frame.args[4] or i18n["datetime"]["default-format"]) 	local date_addon = mw.text.trim(frame.args[5] or i18n["datetime"]["default-addon"]) 	local function outputHook(value) 		local timestamp = value.datavalue.value.time 		return parseDateValue(timestamp, date_format, date_addon) 	end 	return (getQualifier(frame, outputHook)) end  -- This is used to fetch all of the images with a particular property, e.g. image (P18), Gene Atlas Image (P692), etc. -- Parameters are | propertyID | value / FETCH_WIKIDATA / nil | separator (default=space) | size (default=frameless) -- It will return a standard wiki-markup  size for each image with a selectable size and separator (which may be html) -- e.g.  -- e.g.  -- If a property is chosen that is not of type "commonsMedia", it will return empty text. p.getImages = function(frame) 	local sep = mw.text.trim(frame.args[3] or " ") 	local imgsize = mw.text.trim(frame.args[4] or "frameless") 	local go, errorOrentity, claims = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	if (claims[1] and claims[1].mainsnak.datatype == "commonsMedia") then 		local out = {} 		for k, v in pairs(claims) do 			local filename = v.mainsnak.datavalue.value 			out[#out + 1] = "" .. imgsize .. "" 		end 		return table.concat(out, sep) 	else 		return "" 	end end  -- This is used to get the TA98 (Terminologia Anatomica first edition 1998) values like 'A01.1.00.005' (property P1323) -- which are then linked to http://www.unifr.ch/ifaa/Public/EntryPage/TA98%20Tree/Entity%20TA98%20EN/01.1.00.005%20Entity%20TA98%20EN.htm -- uses the newer mw.wikibase calls instead of directly using the snaks -- formatPropertyValues returns a table with the P1323 values concatenated with ", " so we have to split them out into a table in order to construct the return string p.getTAValue = function(frame) 	local ent = mw.wikibase.getEntityObject() 	local props = ent:formatPropertyValues('P1323') 	local out = {} 	local t = {} 	for k, v in pairs(props) do 		if k == 'value' then 			t = mw.text.split( v, ", ") 			for k2, v2 in pairs(t) do 				out[#out + 1] = "" .. string.sub(v2, 2) .. "%20Entity%20TA98%20EN.htm " .. v2 .. "" 			end 		end 	end 	local ret = table.concat(out, " ") 	if #ret == 0 then 		ret = "Invalid TA" 	end 	return ret end  --[[ This is used to return an image legend from Wikidata image is property P18 image legend is property P2096  Call as  Returns PARAMETER, unless it is equal to "FETCH_WIKIDATA", from Item QID (expensive call) If QID is omitted or blank, the current article is used (not an expensive call) If lang is omitted, it uses the local wiki language, otherwise it uses the provided ISO-639 language code ISO-639: https://docs.oracle.com/cd/E13214_01/wli/docs92/xref/xqisocodes.html#wp1252447  Ranks are: 'preferred' > 'normal' This returns the label from the first image with 'preferred' rank Or the label from the first image with 'normal' rank if preferred returns nothing Ranks: https://www.mediawiki.org/wiki/Extension:Wikibase_Client/Lua ]]  p.getImageLegend = function(frame) 	-- look for named parameter id; if it's blank make it nil 	local id = frame.args.id 	if id and (#id == 0) then 		id = nil 	end  	-- look for named parameter lang 	-- it should contain a two-character ISO-639 language code 	-- if it's blank fetch the language of the local wiki 	local lang = frame.args.lang 	if (not lang) or (#lang < 2) then 		lang = mw.language.getContentLanguage().code 	end  	-- first unnamed parameter is the local parameter, if supplied 	local input_parm = mw.text.trim(frame.args[1] or "") 	if input_parm == "FETCH_WIKIDATA" then 		local ent = mw.wikibase.getEntityObject(id) 		local imgs 		if ent and ent.claims then 			imgs = ent.claims.P18 		end 		local imglbl 		if imgs then 			-- look for an image with 'preferred' rank 			for k1, v1 in pairs(imgs) do 				if v1.rank == "preferred" and v1.qualifiers and v1.qualifiers.P2096 then 					local imglbls = v1.qualifiers.P2096 					for k2, v2 in pairs(imglbls) do 						if v2.datavalue.value.language == lang then 							imglbl = v2.datavalue.value.text 							break 						end 					end 				end 			end 			-- if we don't find one, look for an image with 'normal' rank 			if (not imglbl) then 				for k1, v1 in pairs(imgs) do 					if v1.rank == "normal" and v1.qualifiers and v1.qualifiers.P2096 then 						local imglbls = v1.qualifiers.P2096 						for k2, v2 in pairs(imglbls) do 							if v2.datavalue.value.language == lang then 								imglbl = v2.datavalue.value.text 								break 							end 						end 					end 				end 			end 		end 		return imglbl 	else 		return input_parm 	end end  -- This is used to get the QIDs of all of the values of a property, as a comma separated list if multiple values exist -- Usage:  -- Usage:   p.getPropertyIDs = function(frame) 	local go, errorOrentity, propclaims = parseInput(frame) 	if not go then 		return errorOrentity 	end 	local entity = errorOrentity 	-- if wiki-linked value collect the QID in a table 	if (propclaims[1] and propclaims[1].mainsnak.snaktype == "value" and propclaims[1].mainsnak.datavalue.type == "wikibase-entityid") then 		local out = {} 		for k, v in pairs(propclaims) do 			out[#out + 1] = "Q" .. v.mainsnak.datavalue.value["numeric-id"] 		end 		return table.concat(out, ", ") 	else 		-- not a wikibase-entityid, so return empty 		return "" 	end end  -- returns the page id (Q...) of the current page or nothing of the page is not connected to Wikidata function p.pageId(frame) 	local entity = mw.wikibase.getEntityObject() 	if not entity then return nil else return entity.id end end  function p.claim(frame) 	local property = frame.args[1] or "" 	local id = frame.args["id"] 	local qualifierId = frame.args["qualifier"] 	local parameter = frame.args["parameter"] 	local list = frame.args["list"] 	local references = frame.args["references"] 	local showerrors = frame.args["showerrors"] 	local default = frame.args["default"] 	if default then showerrors = nil end  	-- get wikidata entity 	local entity = mw.wikibase.getEntityObject(id) 	if not entity then 		if showerrors then return printError("entity-not-found") else return default end 	end 	-- fetch the first claim of satisfying the given property 	local claims = findClaims(entity, property) 	if not claims or not claims[1] then 		if showerrors then return printError("property-not-found") else return default end 	end  	-- get initial sort indices 	local sortindices = {} 	for idx in pairs(claims) do 		sortindices[#sortindices + 1] = idx 	end 	-- sort by claim rank 	local comparator = function(a, b) 		local rankmap = { deprecated = 2, normal = 1, preferred = 0 } 		local ranka = rankmap[claims[a].rank or "normal"] .. string.format("%08d", a) 		local rankb = rankmap[claims[b].rank or "normal"] .. string.format("%08d", b) 		return ranka < rankb 	end 	table.sort(sortindices, comparator)  	local result 	local error 	if list then 		local value 		-- iterate over all elements and return their value (if existing) 		result = {} 		for idx in pairs(claims) do 			local claim = claims[sortindices[idx]] 			value, error = getValueOfClaim(claim, qualifierId, parameter) 			if not value and showerrors then value = error end 			if value and references then value = value .. getReferences(frame, claim) end 			result[#result + 1] = value 		end 		result = table.concat(result, list) 	else 		-- return first element 		local claim = claims[sortindices[1]] 		result, error = getValueOfClaim(claim, qualifierId, parameter) 		if result and references then result = result .. getReferences(frame, claim) end 	end  	if result then return result else 		if showerrors then return error else return default end 	end end  -- look into entity object function p.ViewSomething(frame) 	local f = (frame.args[1] or frame.args.id) and frame or frame:getParent() 	local id = f.args.id 	if id and (#id == 0) then 		id = nil 	end 	local data = mw.wikibase.getEntityObject(id) 	if not data then 		return nil 	end  	local i = 1 	while true do 		local index = f.args[i] 		if not index then 			if type(data) == "table" then 				return mw.text.jsonEncode(data, mw.text.JSON_PRESERVE_KEYS + mw.text.JSON_PRETTY) 			else 				return tostring(data) 			end 		end  		data = data[index] or data[tonumber(index)] 		if not data then 			return 		end  		i = i + 1 	end end  -- getting sitelink of a given wiki -- get sitelink of current item if qid not supplied function p.getSiteLink(frame) 	local qid = frame.args.qid 	if qid == "" then qid = nil end 	local f = mw.text.trim( frame.args[1] or "") 	local entity = mw.wikibase.getEntity(qid) 	if not entity then 		return 	end 	local link = entity:getSitelink( f ) 	if not link then 		return 	end 	return link end  function p.Dump(frame) 	local f = (frame.args[1] or frame.args.id) and frame or frame:getParent() 	local data = mw.wikibase.getEntityObject(f.args.id) 	if not data then 		return i18n.warnDump 	end  	local i = 1 	while true do 		local index = f.args[i] 		if not index then 			return ""..mw.dumpObject(data).."".. i18n.warnDump 		end  		data = data[index] or data[tonumber(index)] 		if not data then 			return i18n.warnDump 		end  		i = i + 1 	end end  return p