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pyRCV2
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Make proper HTML interface with presets

This commit is contained in:
RunasSudo 2020-10-18 18:58:24 +11:00
parent dcc3dcc5e7
commit 643e23b6ec
Signed by: RunasSudo
GPG Key ID: 7234E476BF21C61A
6 changed files with 410 additions and 248 deletions
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2
.gitignore vendored
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@ -1,5 +1,5 @@
/.python-version
/__target__
/test
/bundle.js
/html/bundle.js
__pycache__

8
build.sh
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@ -1,4 +1,6 @@
#!/bin/env bash
OUTFILE=html/bundle.js
# Transcrypt
transcrypt $@ --nomin pyRCV2.transcrypt || exit 1
@ -10,7 +12,7 @@ perl -0777 -i -pe 's#export function sum \(iterable\) {\n let result = 0;#exp
perl -0777 -i -pe 's#key \(a\) > key \(b\) \?#__gt__\(key \(a\), key \(b\)\) \?#g' __target__/org.transcrypt.__runtime__.js || exit 1
# Roll up
rollup __target__/pyRCV2.transcrypt.js -o bundle.js --name py -f iife --no-treeshake || exit 1
rollup __target__/pyRCV2.transcrypt.js -o $OUTFILE --name py -f iife --no-treeshake || exit 1
# Patch
perl -0777 -i -pe "s#'__index0__'#__index0__#g" bundle.js || exit 1
# Patch incorrectly generated iterator functions
perl -0777 -i -pe "s#'__index0__'#__index0__#g" $OUTFILE || exit 1

122
html/index.html Normal file
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@ -0,0 +1,122 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>pyRCV2</title>
<style type="text/css">
html, body {
font-family: 'Liberation Sans', FreeSans, Helvetica, Arial, sans-serif;
}
table {
border-collapse: collapse;
}
td {
padding: 0px 8px;
}
td.count {
text-align: right;
}
tr:first-child td {
vertical-align: bottom;
}
td.excluded {
background-color: #fecfcfff;
}
td.elected {
background-color: #d1fca7ff;
}
tr.info td {
background-color: #edededff;
}
</style>
</head>
<body>
<div>
<input type="file" id="bltFile">
<button onclick="clickCount()">Count</button>
<label>
Preset:
<select id="selPreset" onchange="changePreset()">
<option value="scottish" selected>Scottish STV</option>
<option value="stvc">pyRCV STV-C</option>
<option value="prsa77">PRSA 1977</option>
</select>
</label>
<button id="btnAdvancedOptions" onclick="clickAdvancedOptions()">Show advanced options</button>
</div>
<div id="divAdvancedOptions" style="display: none;">
<label>
Quota:
<select id="selQuotaCriterion">
<option value="geq" selected>&gt;=</option>
<option value="gt">&gt;</option>
</select>
</label>
<label>
<select id="selQuota">
<option value="droop" selected>Droop</option>
<option value="droop_exact">Droop (exact)</option>
<option value="hare">Hare</option>
<option value="hare_exact">Hare (exact)</option>
</select>
</label>
<label>
<input type="checkbox" id="chkProgQuota">
Progressive quota
</label>
<label>
<input type="checkbox" id="chkBulkExclusion">
Bulk exclusion (NYI)
</label>
<br>
<label>
Numbers:
<select id="selNumbers">
<option value="native">Native float</option>
<option value="int">Native integer</option>
<option value="rational">Rational</option>
<option value="fixed" selected>Fixed</option>
</select>
</label>
<label>
Decimal places (if Numbers = Fixed):
<input type="number" id="txtDP" value="5" style="width: 3em;">
</label>
<br>
<label>
Surplus order:
<select id="selSurplus">
<option value="size" selected>By size</option>
<option value="order">By order</option>
</select>
</label>
<label>
Transfer value (NYI):
<select id="selTransfers">
<option value="wig" selected>Weighted inclusive Gregory</option>
<option value="uig">Unweighted inclusive Gregory</option>
</select>
</label>
<br>
<label>
Ties (NYI):
<select id="selTies">
<option value="backwards_random" selected>Backwards then random</option>
<option value="random">Random</option>
</select>
</label>
<label>
Random seed:
<input type="text" id="txtSeed" value="Not yet implemented">
</label>
</div>
<table id="result"></table>
<script src="http://peterolson.github.com/BigRational.js/BigInt_BigRat.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/big.js@6.0.0/big.min.js"></script>
<script src="bundle.js"></script>
<script src="index.js"></script>
</body>
</html>

260
html/index.js Normal file
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@ -0,0 +1,260 @@
/*
pyRCV2: Preferential vote counting
Copyright © 2020 Lee Yingtong Li (RunasSudo)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
function clickAdvancedOptions() {
if (document.getElementById('divAdvancedOptions').style.display === 'none') {
document.getElementById('divAdvancedOptions').style.display = 'block';
document.getElementById('btnAdvancedOptions').innerHTML = 'Hide advanced options';
} else {
document.getElementById('divAdvancedOptions').style.display = 'none';
document.getElementById('btnAdvancedOptions').innerHTML = 'Show advanced options';
}
}
function changePreset() {
if (document.getElementById('selPreset').value === 'scottish') {
document.getElementById('selQuotaCriterion').value = 'geq';
document.getElementById('selQuota').value = 'droop';
document.getElementById('chkProgQuota').checked = false;
document.getElementById('chkBulkExclusion').checked = false;
document.getElementById('selNumbers').value = 'fixed';
document.getElementById('txtDP').value = '5';
document.getElementById('selSurplus').value = 'size';
document.getElementById('selTransfers').value = 'wig';
document.getElementById('selTies').value = 'backwards_random';
} else if (document.getElementById('selPreset').value === 'stvc') {
document.getElementById('selQuotaCriterion').value = 'gt';
document.getElementById('selQuota').value = 'droop_exact';
document.getElementById('chkProgQuota').checked = true;
document.getElementById('chkBulkExclusion').checked = true;
document.getElementById('selNumbers').value = 'rational';
document.getElementById('selSurplus').value = 'size';
document.getElementById('selTransfers').value = 'wig';
document.getElementById('selTies').value = 'backwards_random';
} else if (document.getElementById('selPreset').value === 'prsa77') {
document.getElementById('selQuotaCriterion').value = 'geq';
document.getElementById('selQuota').value = 'droop';
document.getElementById('chkProgQuota').checked = false;
document.getElementById('chkBulkExclusion').checked = false;
document.getElementById('selNumbers').value = 'int';
document.getElementById('selSurplus').value = 'order';
document.getElementById('selTransfers').value = 'uig';
document.getElementById('selTies').value = 'backwards_random';
}
}
async function clickCount() {
// Read BLT file
let bltFile = document.getElementById('bltFile').files[0];
let text = await bltFile.text();
// Initialise table rows
let tblResults = document.getElementById('result');
tblResults.innerHTML = '';
let candMap = {}; // candidate name -> rows
// Step election
let worker = new Worker('worker.js');
let election, elComment, elExhausted1, elExhausted2, elLTF1, elLTF2, elTotal, elQuota;
worker.onmessage = function(evt) {
if (evt.data.type === 'init') {
election = evt.data.election;
// Comment row
elComment = document.createElement('tr');
let elTd = document.createElement('td');
elComment.appendChild(elTd);
tblResults.appendChild(elComment);
// Candidates
for (let candidate of election.candidates) {
let elTr1 = document.createElement('tr');
let elTr2 = document.createElement('tr');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = candidate;
elTr1.appendChild(elTd);
tblResults.appendChild(elTr1);
tblResults.appendChild(elTr2);
candMap[candidate] = [elTr1, elTr2];
}
// Exhausted votes row
elExhausted1 = document.createElement('tr');
elExhausted1.classList.add('info');
elExhausted2 = document.createElement('tr');
elExhausted2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Exhausted';
elExhausted1.appendChild(elTd);
tblResults.appendChild(elExhausted1);
tblResults.appendChild(elExhausted2);
// Loss to fraction row
elLTF1 = document.createElement('tr');
elLTF1.classList.add('info');
elLTF2 = document.createElement('tr');
elLTF2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Loss to fraction';
elLTF1.appendChild(elTd);
if (document.getElementById('selNumbers').value === 'int') {
tblResults.appendChild(elLTF1);
tblResults.appendChild(elLTF2);
}
// Total row
elTotal = document.createElement('tr');
elTotal.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Total';
elTotal.appendChild(elTd);
tblResults.appendChild(elTotal);
// Quota row
elQuota = document.createElement('tr');
elQuota.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = 'Quota';
elQuota.appendChild(elTd);
tblResults.appendChild(elQuota);
}
if (evt.data.type === 'result') {
let result = evt.data.result;
// Display results
elTd = document.createElement('td');
elTd.innerText = result.comment;
elComment.appendChild(elTd);
for (let [candidate, countCard] of result.candidates) {
[elTr1, elTr2] = candMap[candidate];
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN || countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
}
elTd.style.borderTop = '1px solid black';
if (countCard.transfers != '0.00') {
elTd.innerText = countCard.transfers;
}
elTr1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN) {
elTd.classList.add('excluded');
elTd.innerText = 'WD';
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
elTd.innerText = countCard.votes;
elTr1.querySelector('td:first-child').classList.add('elected');
} else if (countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
elTd.innerText = 'EX';
} else {
elTd.innerText = countCard.votes;
}
elTr2.appendChild(elTd);
}
// Display exhausted votes
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.exhausted.transfers != '0.00') {
elTd.innerText = result.exhausted.transfers;
}
elExhausted1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.exhausted.votes;
elExhausted2.appendChild(elTd);
// Display loss to fraction
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.loss_fraction.transfers != '0.00') {
elTd.innerText = result.loss_fraction.transfers;
}
elLTF1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.loss_fraction.votes;
elLTF2.appendChild(elTd);
// Display total
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.innerText = result.total;
elTotal.appendChild(elTd);
// Display quota
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = result.quota;
elQuota.appendChild(elTd);
}
}
worker.onerror = function(evt) {
throw evt;
}
worker.postMessage({
'numbers': document.getElementById('selNumbers').value,
'fixedDPs': parseInt(document.getElementById('txtDP').value),
'options': {
'quota_criterion': document.getElementById('selQuotaCriterion').value,
'quota': document.getElementById('selQuota').value,
'prog_quota': document.getElementById('chkProgQuota').checked,
'bulk_exclude': document.getElementById('chkBulkExclusion').checked,
'surplus_order': document.getElementById('selSurplus').value,
'transfer_value': document.getElementById('selTransfers').value,
'ties': document.getElementById('selTies').value
},
'data': text
});
}

29
worker.js → html/worker.js
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@ -1,10 +1,25 @@
/*
pyRCV2: Preferential vote counting
Copyright © 2020 Lee Yingtong Li (RunasSudo)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
importScripts('http://peterolson.github.com/BigRational.js/BigInt_BigRat.min.js', 'https://cdn.jsdelivr.net/npm/big.js@6.0.0/big.min.js', 'bundle.js');
function sleep(ms) {
return new Promise(resolve => setTimeout(resolve, ms));
}
onmessage = async function(evt) {
onmessage = function(evt) {
// Set settings
if (evt.data.numbers === 'native') {
py.pyRCV2.numbers.set_numclass(py.pyRCV2.numbers.Native);
}
@ -16,6 +31,7 @@ onmessage = async function(evt) {
}
if (evt.data.numbers === 'fixed') {
py.pyRCV2.numbers.set_numclass(py.pyRCV2.numbers.Fixed);
py.pyRCV2.numbers.set_dps(evt.data.fixedDPs);
}
let election = py.pyRCV2.blt.readBLT(evt.data.data);
@ -24,7 +40,7 @@ onmessage = async function(evt) {
}});
// Create counter
let counter = py.pyRCV2.method.base_stv.BaseSTVCounter(election);
let counter = py.pyRCV2.method.base_stv.BaseSTVCounter(election, evt.data.options);
// Reset
let result = counter.reset();
@ -50,7 +66,6 @@ onmessage = async function(evt) {
// Step election
while (true) {
//await sleep(1000);
result = counter.step();
if (py.isinstance(result, py.pyRCV2.model.CountCompleted)) {
postMessage({'type': 'done'});

237
test.html
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@ -1,237 +0,0 @@
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>pyRCV2 test</title>
<style type="text/css">
html, body {
font-family: 'Liberation Sans', FreeSans, Helvetica, Arial, sans-serif;
}
table {
border-collapse: collapse;
}
td {
padding: 0px 8px;
}
td.count {
text-align: right;
}
tr:first-child td {
vertical-align: bottom;
}
td.excluded {
background-color: #fecfcfff;
}
td.elected {
background-color: #d1fca7ff;
}
tr.info td {
background-color: #edededff;
}
</style>
</head>
<body>
<input type="file" id="bltFile">
<button onclick="clickBtn();">OK</button>
<select id="numbers"><option value="native" selected>Native Float</option><option value="int">Native Integer</option><option value="rational">Rational</option><option value="fixed">Fixed (6 d.p.)</option></select>
<table id="result"></table>
<script src="http://peterolson.github.com/BigRational.js/BigInt_BigRat.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/big.js@6.0.0/big.min.js"></script>
<script src="bundle.js"></script>
<script>
async function clickBtn() {
// Read BLT file
let bltFile = document.getElementById('bltFile').files[0];
let text = await bltFile.text();
// Initialise table rows
let tblResults = document.getElementById('result');
tblResults.innerHTML = '';
let candMap = {}; // candidate name -> rows
// Step election
let worker = new Worker('worker.js');
let election, elComment, elExhausted1, elExhausted2, elLTF1, elLTF2, elTotal, elQuota;
worker.onmessage = function(evt) {
if (evt.data.type === 'init') {
election = evt.data.election;
// Comment row
elComment = document.createElement('tr');
let elTd = document.createElement('td');
elComment.appendChild(elTd);
tblResults.appendChild(elComment);
// Candidates
for (let candidate of election.candidates) {
let elTr1 = document.createElement('tr');
let elTr2 = document.createElement('tr');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = candidate;
elTr1.appendChild(elTd);
tblResults.appendChild(elTr1);
tblResults.appendChild(elTr2);
candMap[candidate] = [elTr1, elTr2];
}
// Exhausted votes row
elExhausted1 = document.createElement('tr');
elExhausted1.classList.add('info');
elExhausted2 = document.createElement('tr');
elExhausted2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Exhausted';
elExhausted1.appendChild(elTd);
tblResults.appendChild(elExhausted1);
tblResults.appendChild(elExhausted2);
// Loss to fraction row
elLTF1 = document.createElement('tr');
elLTF1.classList.add('info');
elLTF2 = document.createElement('tr');
elLTF2.classList.add('info');
elTd = document.createElement('td');
elTd.setAttribute('rowspan', '2');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Loss to fraction';
elLTF1.appendChild(elTd);
if (document.getElementById('numbers').value === 'int') {
tblResults.appendChild(elLTF1);
tblResults.appendChild(elLTF2);
}
// Total row
elTotal = document.createElement('tr');
elTotal.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.innerText = 'Total';
elTotal.appendChild(elTd);
tblResults.appendChild(elTotal);
// Quota row
elQuota = document.createElement('tr');
elQuota.classList.add('info');
elTd = document.createElement('td');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = 'Quota';
elQuota.appendChild(elTd);
tblResults.appendChild(elQuota);
}
if (evt.data.type === 'result') {
let result = evt.data.result;
// Display results
elTd = document.createElement('td');
elTd.innerText = result.comment;
elComment.appendChild(elTd);
for (let [candidate, countCard] of result.candidates) {
[elTr1, elTr2] = candMap[candidate];
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN || countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
}
elTd.style.borderTop = '1px solid black';
if (countCard.transfers != '0.00') {
elTd.innerText = countCard.transfers;
}
elTr1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
if (countCard.state === py.pyRCV2.model.CandidateState.WITHDRAWN) {
elTd.classList.add('excluded');
elTd.innerText = 'WD';
} else if (countCard.state === py.pyRCV2.model.CandidateState.ELECTED || countCard.state === py.pyRCV2.model.CandidateState.PROVISIONALLY_ELECTED) {
elTd.classList.add('elected');
elTd.innerText = countCard.votes;
elTr1.querySelector('td:first-child').classList.add('elected');
} else if (countCard.state === py.pyRCV2.model.CandidateState.EXCLUDED) {
elTd.classList.add('excluded');
elTd.innerText = 'EX';
} else {
elTd.innerText = countCard.votes;
}
elTr2.appendChild(elTd);
}
// Display exhausted votes
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.exhausted.transfers != '0.00') {
elTd.innerText = result.exhausted.transfers;
}
elExhausted1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.exhausted.votes;
elExhausted2.appendChild(elTd);
// Display loss to fraction
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
if (result.loss_fraction.transfers != '0.00') {
elTd.innerText = result.loss_fraction.transfers;
}
elLTF1.appendChild(elTd);
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.innerText = result.loss_fraction.votes;
elLTF2.appendChild(elTd);
// Display total
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.innerText = result.total;
elTotal.appendChild(elTd);
// Display quota
elTd = document.createElement('td');
elTd.classList.add('count');
elTd.style.borderTop = '1px solid black';
elTd.style.borderBottom = '1px solid black';
elTd.innerText = result.quota;
elQuota.appendChild(elTd);
}
}
worker.onerror = function(evt) {
throw evt;
}
worker.postMessage({
'numbers': document.getElementById('numbers').value,
'data': text
});
}
</script>
</body>
</html>