Files
fumen-measure-analyze/script/train_factor.ts
2026-04-25 17:57:19 +09:00

107 lines
3.1 KiB
TypeScript

import Bun from 'bun';
import { spawn } from 'node:child_process';
import { parseArgs } from 'node:util';
import fs from 'fs';
import path from 'path';
import { factorize } from '../preprocess/factorize';
import { parseTja } from '../preprocess/parse'
const { values } = parseArgs({
args: Bun.argv,
options: {
workingDir: {
type: "string"
},
dataDir: {
type: "string"
},
script: {
type: "string"
},
trainSize: {
type: 'string'
},
validSize: {
type: 'string'
}
},
allowPositionals: true,
});
if (!values.dataDir || !values.workingDir || !values.script) {
console.error("Usage: bun run script/train_factor.ts --workingDir <dir> --dataDir <dir> --script <python_script> --trainSize <num> --validSize <num>");
process.exit(1);
}
// 1. factors.json 생성 (없을 경우)
generateFactors();
// 2. 파이썬 학습 스크립트 실행
console.log(`Starting training with factor-based script: ${values.script}`);
const child = spawn("python3", [
values.script,
"--workingDir", values.workingDir,
"--dataDir", values.dataDir,
"--trainSize", (Number(values.trainSize) || 1000).toString(),
"--validSize", (Number(values.validSize) || 200).toString(),
]);
child.stdout.pipe(process.stdout);
child.stderr.pipe(process.stderr);
child.on("close", (code) => {
console.log(`Training process exited with code ${code}`);
process.exit(code || 0);
});
// functions
function generateFactors() {
const workingDir = values.workingDir ?? '';
if (!fs.existsSync(workingDir)) fs.mkdirSync(workingDir, { recursive: true });
const factorsPath = path.join(workingDir, 'factors.json');
if (fs.existsSync(factorsPath)) {
console.log('factors.json already exists, skipping generation.');
return;
}
const dataDir = values.dataDir ?? '';
const tjaDir = path.join(dataDir, 'tja');
if (!fs.existsSync(tjaDir)) {
console.error(`TJA directory not found: ${tjaDir}`);
return;
}
const files = fs.readdirSync(tjaDir).filter(f => f.endsWith('.tja'));
console.log(`Generating factors from ${files.length} TJA files...`);
const results: any[] = [];
for (const file of files) {
try {
const tja = fs.readFileSync(path.join(tjaDir, file), 'utf-8');
const songno = path.basename(file, '.tja');
const parsed = parseTja(tja);
const courses = [
{ diff: 'oni', data: parsed?.oni },
{ diff: 'ura', data: parsed?.edit }
];
for (const course of courses) {
if (course.data) {
results.push({
songno,
difficulty: course.diff,
factors: factorize(course.data)
});
}
}
} catch (err) {
console.error(`Error processing ${file}:`, err);
}
}
fs.writeFileSync(factorsPath, JSON.stringify(results, null, 2), 'utf-8');
console.log(`factors.json generated at ${factorsPath}`);
}