131 lines
4.5 KiB
PHP
131 lines
4.5 KiB
PHP
<?php
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namespace App\Services;
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use RuntimeException;
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use Symfony\Component\Process\Process;
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class PythonClassificationService
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{
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private string $pythonExecutable;
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private string $scriptPath;
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private string $modelDirectory;
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public function __construct()
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{
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$this->pythonExecutable = env('PYTHON_EXECUTABLE', 'python');
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$this->scriptPath = env('PYTHON_CLASSIFIER_SCRIPT', base_path('scripts/rice_inference.py'));
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$this->modelDirectory = env('RICE_MODEL_DIR', base_path('../rice leaf diseases dataset'));
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}
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public function classifyFromBase64(array $payload): array
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{
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return $this->runAction('classify', $payload, 120);
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}
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public function classifyFromUrl(array $payload): array
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{
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return $this->runAction('classify-from-url', $payload, 120);
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}
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public function health(): array
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{
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return $this->runAction('health');
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}
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public function info(): array
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{
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return $this->runAction('info');
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}
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private function runAction(string $action, array $payload = [], int $timeout = 60): array
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{
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if (!is_file($this->scriptPath)) {
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throw new RuntimeException("Script classifier tidak ditemukan di {$this->scriptPath}");
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}
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$command = [
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$this->pythonExecutable,
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$this->scriptPath,
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$action,
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'--model-dir',
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$this->modelDirectory,
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];
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$process = new Process($command, base_path(), $this->buildProcessEnvironment());
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$process->setTimeout($timeout);
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$process->setInput(json_encode($payload, JSON_UNESCAPED_SLASHES));
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$process->run();
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if (!$process->isSuccessful()) {
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$stderr = trim($process->getErrorOutput());
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$stdout = trim($process->getOutput());
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throw new RuntimeException($stderr !== '' ? $stderr : ($stdout !== '' ? $stdout : 'Gagal menjalankan proses inferensi Python'));
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}
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$output = trim($process->getOutput());
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if ($output === '') {
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throw new RuntimeException('Proses inferensi Python tidak mengembalikan output.');
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}
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$decoded = json_decode($output, true);
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if (!is_array($decoded)) {
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throw new RuntimeException('Output inferensi Python bukan JSON yang valid.');
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}
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return $decoded;
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}
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private function buildProcessEnvironment(): array
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{
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$environment = array_merge($_SERVER, $_ENV);
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// Prevent Python from using conflicting host-level overrides.
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unset($environment['PYTHONHOME'], $environment['PYTHONPATH']);
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$pythonDir = dirname($this->pythonExecutable);
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$currentPath = getenv('PATH') ?: ($environment['PATH'] ?? '');
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$environment['PATH'] = $pythonDir . PATH_SEPARATOR . $currentPath;
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if (!isset($environment['SystemRoot']) || $environment['SystemRoot'] === '') {
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$environment['SystemRoot'] = getenv('SystemRoot') ?: 'C:\\Windows';
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}
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if (!isset($environment['WINDIR']) || $environment['WINDIR'] === '') {
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$environment['WINDIR'] = getenv('WINDIR') ?: 'C:\\Windows';
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}
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$fallbackUserProfile = getenv('USERPROFILE') ?: ('C:\\Users\\' . (getenv('USERNAME') ?: 'Public'));
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if (!isset($environment['USERPROFILE']) || $environment['USERPROFILE'] === '') {
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$environment['USERPROFILE'] = $fallbackUserProfile;
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}
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if (!isset($environment['HOMEDRIVE']) || $environment['HOMEDRIVE'] === '') {
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$environment['HOMEDRIVE'] = getenv('HOMEDRIVE') ?: substr($fallbackUserProfile, 0, 2);
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}
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if (!isset($environment['HOMEPATH']) || $environment['HOMEPATH'] === '') {
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$environment['HOMEPATH'] = getenv('HOMEPATH') ?: substr($fallbackUserProfile, 2);
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}
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if (!isset($environment['APPDATA']) || $environment['APPDATA'] === '') {
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$environment['APPDATA'] = getenv('APPDATA') ?: ($fallbackUserProfile . '\\AppData\\Roaming');
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}
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if (!isset($environment['LOCALAPPDATA']) || $environment['LOCALAPPDATA'] === '') {
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$environment['LOCALAPPDATA'] = getenv('LOCALAPPDATA') ?: ($fallbackUserProfile . '\\AppData\\Local');
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}
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if (!isset($environment['TEMP']) || $environment['TEMP'] === '') {
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$environment['TEMP'] = getenv('TEMP') ?: ($fallbackUserProfile . '\\AppData\\Local\\Temp');
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}
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if (!isset($environment['TMP']) || $environment['TMP'] === '') {
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$environment['TMP'] = getenv('TMP') ?: $environment['TEMP'];
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}
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return $environment;
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}
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}
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