Module:ISO 3166

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This module returns a country's or subdivision's code (alpha-2, alpha-3, numeric) or name (ISO, non-ISO) from ISO 3166 from a variety of inputs (alpha-2, alpha-3, numeric, name, ISO-name, alternative names). The module also removes junk from the input.

Examples

Countries (ISO 3166-1)

All three types of ISO 3166-1 codes (alpha-2, alpha-3 and numeric) work as inputs to name, as well as to code (which can therefore also be used to convert between different code types). Use Template:Para to output alpha-3 or numeric codes in code instead of the default alpha-2 codes.

Name

To get the common name use the name function

ISO Name

To get the common name use the name function with isoname = yes

  • Template:Tnull → United Kingdom of Great Britain and Northern Ireland
  • Template:Tnull → United Kingdom of Great Britain and Northern Ireland
  • Template:Tnull → United Kingdom of Great Britain and Northern Ireland

Alpha-2

To get the alpha 2 code use the code function

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Alpha-3

To get the alpha 3 code use the code function with codetype = 3

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Numeric

To get the numeric code use the code function with codetype = numeric or use the numeric function

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Subdivisions (ISO 3166-2)

Inputs to name must be valid ISO 3166-2 codes, i.e. the country's alpha-2 code for the first part, and up to three alphanumeric characters for the second part. They may be given normally (with a hyphen between the parts), or split between two unnamed parameters. For code, the first parameter is the country name (or any of its three codes, like above), and the second the subdivision name.

Code (alpha-2)

To get the alpha-2 code of a subdivision use the code function with parameter 1 being the country and parameter 2 being the subdivision

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Name

To get the name of a subdivision use the name function with parameter 1 being the country and parameter 2 being the subdivsion or parameter 1 being the subdivsion code

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Template:Para works for subnational entities as well; keep in mind that ISO 3166-2 uses (transliterations of) local names that may differ from English ones. Set Template:Para to a language code to switch between different languages for entities that have multiple ISO names. The default language for multilingual entities can be set on the country's data page.

  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".
  • Template:Tnull → Lua error: Internal error: The interpreter has terminated with signal "24".

Tracking categories

See also

Subpages

-- to enable us to replicate the current functioning of Country extract, we need to deal with:
-- 2 {{<name>}} DONE!
-- 3 [[<name>]] DONE!
-- 4 [[<name>|<junk>]] DONE!
-- 5 [[image:flag of <country>.[svg|gif|png|jpg]|\d+px]] DONE!

local p = {}
local getArgs = require("Module:Arguments").getArgs
local data = mw.loadData("Module:ISO 3166/data/National")

--[[----------F I N D N A M E----------]]--										-- Finds the name in the database

local function findname(code,cdata,qry)
	local sqry = p.strip(qry)
	if cdata["name"] and sqry==p.strip(cdata["name"])
		or cdata["isoname"] and sqry==p.strip(cdata["isoname"])
		or not cdata["nocode"] and sqry==code
		or sqry==cdata["alpha3"] or sqry==cdata["numeric"]
		then
		return true
	end
	for _,tname in pairs(cdata["isonames"] or {}) do
		if sqry==p.strip(tname) then
			return true
		end
	end
	for _,tname in pairs(cdata["altnames"] or {}) do
		if sqry==p.strip(tname) then
			return true
		end
	end
	return false
end

--[[----------I S O N A M E----------]]--										-- Find the ISO name of a country/region

local function isoname(data,code,lang)
	if data[code]["isonames"] then
		local name = data[code]["isodisplaynames"] and data[code]["isodisplaynames"][lang]
			 or data[code]["isonames"][lang]
			 or data[code]["isodisplaynames"] and data[code]["isodisplaynames"][data[code]["defaultlang"] or data["defaultlang"]]
			 or data[code]["isonames"][data[code]["defaultlang"] or data["defaultlang"]]
			 or data[code]["isodisplaynames"] and data[code]["isodisplaynames"]["en"]
			 or data[code]["isonames"]["en"]
		if name then return name end
		for _,iname in pairs(data[code]["isonames"]) do return iname end
		return data[code]["isodisplayname"] or data[code]["isoname"]
	else
		return data[code]["isodisplayname"] or data[code]["isoname"]
	end
end

--[[----------S T R I P----------]]--											-- Removes junk from the input

function p.strip(text)
	local accents = {["À"]="A",["Á"]="A",["Â"]="A",["Ã"]="A",					-- accent list
		["Ä"]="A",["Å"]="A",["Ç"]="C",["È"]="E",["É"]="E",
		["Ê"]="E",["Ë"]="E",["Ì"]="I",["Í"]="I",["Î"]="I",
		["Ï"]="I",["Ñ"]="N",["Ò"]="O",["Ó"]="O",["Ô"]="O",
		["Õ"]="O",["Ö"]="O",["Ø"]="O",["Ù"]="U",["Ú"]="U",
		["Û"]="U",["Ü"]="U",["Ý"]="Y"
	}
	local remove = {"NATION OF","COUNTRY OF","TERRITORY OF",					-- text to be removed list
		"FLAG OF","FLAG","KINGDOM OF","STATE OF"," STATE ",
		"PROVINCE OF","PROVINCE","TERRITORY"
	}
	local patterns = {[".+:"]="",["|.+"]="",["%(.-%)"]="",						-- patterns to follow (order may matter)
		["%..*"]="",["^THE "]="",["%_"]=" ",["%-"]=" ",
		["%d%d?%d?PX"]="",
	}
	
	text = mw.ustring.upper(text)												-- Case insensitivity
	text = mw.ustring.gsub(text,"[À-Ý]",accents)								-- Deaccent
	
	for pattern,value in pairs(patterns) do										-- Follow patterns
	text = mw.ustring.gsub(text,pattern,value) 
	end
	
	for _,words in pairs(remove) do												-- Remove unneeded words
	text = mw.ustring.gsub(text,words,"") 
	end
	
	text = mw.ustring.gsub(text,"%W","")										-- Remove non alpha-numeric
	
	return text
	
end

--[[----------P . C A L L S T R I P ---------]]--								-- Calls P.strip but using Module:Arguments

function p.callstrip(frame)
	
	local args = getArgs(frame)
	
	return p.strip(args[1]) or ""

end

--[[----------P . L U A C O D E---------]]--									-- Makes the ISO code of a country

function p.luacode(args)

	if string.find(args[1] or '',"%-") then
		args[1], args[2] = string.match(args[1] or '',"^([^%-]*)%-(.*)$")
	end
	
	if args[1] then args[1] = p.strip(args[1]) end
	if args[2] then args[2] = p.strip(args[2]) end
	
	if args["codetype"]=="3" then
		args["codetype"]="alpha3"
	end
	
	local eot = args.error or ""
	
	local catnocountry = (args.nocat and args.nocat == 'true') and '' 
		or '[[Category:Wikipedia page with obscure country]]'
	local catnosubdivision = (args.nocat and args.nocat == 'true') and '' 
		or '[[Category:Wikipedia page with obscure subdivision]]'
	
	if not args[1] then
		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
		return catnocountry, '<span style="font-size:100%" class="error">"No parameter for the country given"</span>'
	end
	
	if not args[2] then															--3166-1 code
		for alpha2,cdata in pairs(data) do
			if findname(alpha2,cdata,args[1]) then
				if args["codetype"]=="numeric" or args["codetype"]=="alpha3" then
					return cdata[args["codetype"]]
				else
					return alpha2
				end
			end
		end
		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
		return catnocountry
	else																		--3166-2 code
		for alpha2,cdata in pairs(data) do                                       
			if findname(alpha2,cdata,args[1]) then
				if mw.ustring.match(alpha2,"GB") then							-- For England, Wales etc.
					alpha2 = "GB"
				end
				local sdata = mw.loadData("Module:ISO 3166/data/"..alpha2)
				local empty = true
				for scode,scdata in pairs(sdata) do
					if type(scdata)=="table" then
						empty = false
						if findname(scode,scdata,args[2]) then
							return alpha2.."-"..scode
						end
					end
				end
				if mw.title.getCurrentTitle().namespace ~= 0 then catnosubdivision = '' end
				return catnosubdivision
			end
		end
		if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry = '' end
		return catnocountry
	end

end

--[[----------P . C O D E---------]]--											-- Calls P.Luacode but using Module:Arguments

function p.code(frame)

	return p.luacode(getArgs(frame)) or ""

end

--[[----------P . N U M E R I C---------]]--									-- Calls P.Luacode but using Module:Arguments and setting it to output a numeric value

function p.numeric(frame)

	local args = getArgs(frame)
	
	args["codetype"]="numeric"
	
	return p.luacode(args) or ""
	
end
	
--[[----------P . L U A N A M E---------]]--									-- Makes the ISO/common name of a country
	
function p.luaname(args)

	local code1 = p.luacode(args)
	local code2 = ''
	
	if string.find(code1,"%-") then
		code1, code2 = string.match(code1,"^([^%-]*)%-(.*)$")
	end
	
	if string.find(code1,"^%u%u$") then
		if code2=="" then														--3166-1 alpha-2 code
			if data[code1] then
				return (args.isoname or args.lang) and isoname(data,code1,args.lang)
					or (data[code1]["displayname"] or data[code1]["name"])
			else
				return '[[Category:Wikipedia page with obscure country]]'
			end
		else																	--3166-2 code
			local sdata
			if data[code1] then
				sdata = mw.loadData("Module:ISO 3166/data/"..code1)
			else
				return '[[Category:Wikipedia page with obscure country]]'
			end
			if sdata[code2] then
				return (args.isoname or args.lang) and isoname(sdata,code2,args.lang)
					or (sdata[code2]["displayname"] or sdata[code2]["name"])
			else
				return '[[Category:Wikipedia page with obscure country]]'
			end
		end
	end
	
end

--[[----------P . N A M E---------]]--											-- Calls P.Luaname but using Module:Arguments

function p.name(frame)

	return p.luaname(getArgs(frame)) or ""

end
	
--[[----------P . G E O C O O R D I N S E R T---------]]--						-- Wrapper for Module:Coordinates.coordinsert
function p.geocoordinsert(frame)
	-- {{#invoke:ISO 3166|geocoordinsert|{{coord|...}}
	-- |country=..|subdivision1=...|subdivision2=...
	-- |type=...|scale=...|dim=...|source=...|globe=...
	-- }}
	local args = frame.args
	local subdivisionqueried = false
	local catnocountry = (args.nocat and args.nocat == 'true') and '' 
		or '[[Category:Wikipedia page with obscure country]]'
	local catnosubdivision = (args.nocat and args.nocat == 'true') and ''
		or '[[Category:Wikipedia page with obscure subdivision]]' or ''
	local tracking = ''
	local targs = {}
	targs[1] = args[1] or ''
	for i, v in pairs(args) do
		if i == 'country' and not mw.ustring.find(targs[1], 'region:') then
			local country = v
			local k, region = 1, ''
			-- look for a valid subdivision
			while region == '' and k < 3 do
				local subdivision = args['subdivision' .. k] or ''
				if subdivision ~= '' then
					region = p.luacode({country, subdivision, nocat = 'true'})
					subdivisionqueried = true
				end
				k = k + 1
			end
			-- subdivision lookup failed or never attempted, try country only
			if region == '' then
				region = p.luacode({country, nocat = 'true'})
				if mw.title.getCurrentTitle().namespace ~= 0 then catnocountry, catnosubdivision = '', '' end
				if region == '' then
					tracking = tracking .. catnocountry
				elseif subdivisionqueried == true then
					tracking = tracking .. catnosubdivision
				end
			end
			-- something worked, add it to the targs
			if region ~= '' then
				targs[#targs + 1] = 'region:' .. region
			end
		elseif i == 'type' or i == 'scale' or i == 'dim' 
				or i == 'source' or i == 'globe' then
			targs[#targs + 1] = i .. ':' .. v
		end
	end
	-- call Module:Coordinates.coordinsert if there is something to insert
	if #targs > 1 then
		local coordinsert = require('Module:Coordinates').coordinsert
		return coordinsert({args = targs}) .. tracking
	end
	-- otherwise, just return the coordinates
	return targs[1] .. tracking
end

return p
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