Module:Election box US auto
 | This module is rated as beta, and is ready for widespread use. It is still new and should be used with some caution to ensure the results are as expected. |
This is used by {{Election box US auto}}.
Usage
[edit]{{#invoke:Election box US auto|function_name}}
local p = {}
local mYesno = require('Module:Yesno')
-- a global per #invoke
local linked_write_in = false
function formatnum( num )
-- simple wrapper
local lang = mw.getContentLanguage()
return lang:formatNum( num )
end
function percent( part, total )
if total >= 1000000 then
-- if > 1 million votes, then round to 2 decimals
round_to = 2
else
round_to = 1
end
local ret = mw.ext.ParserFunctions.expr( "" .. 100 * part / total .. " round " .. round_to )
if not string.find( ret, ".", 1, true ) then
-- add the decimals that expr doesn't
ret = ret .. "." .. string.rep("0", round_to)
end
return ret
end
function p.make( invoke )
frame = invoke:getParent()
local state, year, contest, type = parse_args( frame.args )
local ret = ""
local no_headings = mYesno(frame.args["no headings"])
if string.find(year, ",", 1, true ) then
-- multi mode
for i,v in pairs(mw.text.split( year, ",", true )) do
if not no_headings then
ret = ret .. "\n=== " .. v .. " ==="
end
ret = ret .. make( state, v, contest, type, year_args(v, frame.args) )
end
else
ret = ret .. make( state, year, contest, type, frame.args )
end
return invoke:preprocess( ret )
end
function fmt_candidate(v, winner, total_votes,args, usestateparties)
local temp = "{{"
if v[2] == winner[2] then
temp = temp .. "Election box winning candidate"
else
temp = temp .. "Election box candidate"
end
local n_party = normalize_parties( v[3], usestateparties )
if n_party then
temp = temp .. " with party link no change|party=" .. n_party
else
temp = temp .. " no party link no change"
end
link = args[v[2] .. " link"]
if link then
link = mw.title.new(link)
else
-- bypass redirects, which is mostly important for display names
link = mw.title.new(v[2])
-- except if the redirect goes to an "elections" article (e.g. Kim Vann), then
-- we don't want a bypass
if link.isRedirect and not string.find(link.redirectTarget.prefixedText, "elections", 1, true ) then
link = link.redirectTarget
end
end
-- Strip disambiguators since we can't use the pipe trick
display_name, ignore = mw.ustring.gsub(link.prefixedText, "%b()", "")
if args.redlinks or (link.exists and not link.isRedirect) then
full_link = "[[" .. link.prefixedText .. "|" .. display_name .. "]]"
else
full_link = display_name
end
temp = temp .. "|candidate=" .. full_link
if v[4] or args.incumbent == v[2] then
-- incumbent
temp = temp .. " (Incumbent)"
end
if v[6] then
-- write in
if linked_write_in then
temp = temp .. " (write-in)"
else
temp = temp .. " ([[Write-in candidate|write-in]])"
linked_write_in = true -- only link it once
end
end
temp = temp .. "|votes=" .. formatnum(v[5])
temp = temp .. "|percentage=" .. percent(v[5], total_votes) .. "%"
temp = temp .. "}}"
return temp
end
function parse_args( args )
local state = args[1]
if not state then
error("State is missing")
end
local year = args[2]
if not year then
error("Year is missing")
end
local contest = args[3]
if not contest then
error("Contest is missing")
end
local type = "General"
if args.type then
if args.type == "Primary" then
type = "Primary"
else
error("Invalid value for |type=")
end
end
return state, year, contest, type
end
function year_args( year, args )
-- we want to turn year args like "|2018 foo=" into just foo
-- drop any other year args like "|2016 foo="
-- and have year args override general args
-- finally have general args
local new = {}
for k,v in pairs(args) do
local k_year = mw.ustring.match(k, "^%d%d%d%d ")
if k_year then
k_year = mw.text.trim(k_year)
end
if k_year and k_year == year then
new[mw.ustring.sub(k, 6)] = v
elseif k_year and k_year ~= year then
-- do nothing
else
-- if k isn't set yet, set it.
if not new[k] then
new[k] = v
end
end
end
return new
end
function make( state, year, contest, type, args )
function load_tabular( state, year, type )
local tab_name = state .. " Elections/" .. year .. "/" .. type .. "/Candidates.tab"
local tabular = mw.ext.data.get(tab_name)
if tabular then
return tabular
else
return {error="Unable to find tabular data: " .. tab_name}
end
end
local tabular = load_tabular(state, year, type)
if tabular.error then
error(tabular.error)
end
function find_candidates(data, contest)
local candidates = {}
for k,v in pairs(data) do
if v[1] == contest then
table.insert(candidates, v)
end
end
return candidates
end
local candidates = find_candidates(tabular.data, contest)
function sum_totals(candidates)
local total_votes = 0
local incumb_party = false
local winner = {}
winner[5] = 0
for k,v in pairs(candidates) do
total_votes = total_votes + v[5]
if v[5] > winner[5] then
winner = v
end
if v[4] or args.incumbent == v[2] then
incumb_party = v[3]
end
end
return total_votes, winner, incumb_party
end
local total_votes, winner, incumb_party = sum_totals(candidates)
local usestateparties = nil
if mw.ustring.find(contest, "United States Representative", 1, true) then
title = "[[United States House of Representatives elections, " .. year .. "]]"
elseif mw.ustring.find(contest, "State Assembly Member", 1, true) then
title = "[[" .. state .. " State Assembly election, " .. year .. "]]"
usestateparties = state
elseif contest == "President" then
title = "U.S. presidential election in " .. state .. ", " .. year
else
title = "...????"
end
local primary = mYesno(args.primary)
ptabular = load_tabular(state, year, "Primary")
if ptabular.error then
-- todo log an error here?
primary = false
end
if primary then
open = "Election box open primary begin no change"
else
open = "Election box begin no change"
end
function make_ref(tabular)
return '<ref name="' .. tabular.description .. '">' .. tabular.sources .. "</ref>"
end
local ref = make_ref(tabular)
if primary then
-- primary ref goes first
ref = make_ref(ptabular) .. ref
end
local ret = "{{" .. open .. "| title=" .. title .. ref .. "}}"
function total_box(total_votes)
return "{{Election box total no change|votes=" .. formatnum(total_votes) .. "|percentage = " .. percent(total_votes, total_votes) .. "%}}"
end
function sort_candidates(a,b)
return a[5] > b[5]
end
table.sort(candidates, sort_candidates)
if primary then
local pcandidates = find_candidates(ptabular.data, contest)
table.sort(pcandidates, sort_candidates)
local ptotal_votes, pwinner, pincumb_party = sum_totals(pcandidates)
local fake_winner = {}
-- we don't want a winner in primaries, so use a fake one that no
-- candidate will match
fake_winner[2] = ""
for k,v in pairs(pcandidates) do
ret = ret .. fmt_candidate(v, fake_winner,ptotal_votes,args,usestateparties)
end
ret = ret .. total_box(ptotal_votes) .. "{{Election box open primary general election no change}}"
end
for k,v in pairs(candidates) do
ret = ret .. fmt_candidate(v, winner,total_votes,args,usestateparties)
end
ret = ret .. total_box(total_votes)
local hold = args.hold
local gain = false
if hold == "held" or winner[4] or args.incumbent == winner[2] then
ret = ret .. "{{Election box hold with party link without swing|winner=" .. normalize_parties(winner[3],usestateparties) .. "}}"
elseif hold == "flip" then
-- shorthand for D->R/R->D
win_party = winner[3]
if win_party == "Democratic" then
lose_party = normalize_parties("Republican",usestateparties)
else
lose_party = normalize_parties("Democratic",usestateparties)
end
win_party = normalize_parties(win_party)
gain = true
elseif args.gain then
win_party = normalize_parties(args.gain,usestateparties)
lose_party = normalize_parties(args.loser,usestateparties)
gain = true
elseif incumb_party and incumb_party ~= winner[3] then
win_party = normalize_parties(winner[3],usestateparties)
lose_party = normalize_parties(incumb_party,usestateparties)
gain = true
end
if gain then
ret = ret .. "{{Election box gain with party link without swing|winner=" .. win_party .. "|loser=" .. lose_party .. "}}"
end
ret = ret .. "{{Election box end}}"
return ret
end
function normalize_parties( party, state )
-- Drop all parties after the first one?
party = mw.text.split( party, ",", true )[1]
local specials = {
Blank = "Independent (politician)",
Independent = "Independent (politician)",
}
specials["No Party Preference"] = "No party preference"
if specials[party] then
return specials[party]
end
if state then
-- ex "California Democratic Party"
return state .. " " .. party .. " Party"
end
return party .. " Party (US)"
end
return p