74 lines
2.2 KiB
PHP
74 lines
2.2 KiB
PHP
<?php
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// crawler_bridge.php
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// Bridge script for Python to call PHP Spider methods and get JSON output.
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// Usage: php crawler_bridge.php <spider_path> <method> [args...]
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ini_set('display_errors', 0); // Disable error printing to stdout
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error_reporting(E_ALL);
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date_default_timezone_set('Asia/Shanghai');
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header('Content-Type: application/json');
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$output = ['status' => 'error', 'data' => null, 'message' => ''];
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try {
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if ($argc < 3) {
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throw new Exception("Usage: php crawler_bridge.php <spider_path> <method> [args...]");
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}
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$spiderPath = $argv[1];
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$method = $argv[2];
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$args = array_slice($argv, 3);
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if (!file_exists($spiderPath)) {
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throw new Exception("Spider file not found: $spiderPath");
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}
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// Capture any output during include
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ob_start();
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require_once $spiderPath;
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ob_end_clean();
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if (!class_exists('Spider')) {
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throw new Exception("Class 'Spider' not found in $spiderPath");
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}
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$spider = new Spider();
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if (method_exists($spider, 'init')) {
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$spider->init();
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}
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if (!method_exists($spider, $method)) {
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throw new Exception("Method '$method' not found in Spider class");
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}
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// Call method with args
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// Note: Args passed from CLI are strings. Some methods might expect specific types.
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// However, PHP is loosely typed, so it usually works.
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// Special handling for extend field or complex structures might be needed if passed via CLI,
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// but standard DrPy methods usually take simple scalars (tid, page, filter) or arrays.
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// For complex args (like filter array), we might need to decode JSON passed as string.
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$methodArgs = [];
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foreach ($args as $arg) {
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// Try to decode JSON args if they look like JSON
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$decoded = json_decode($arg, true);
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if (json_last_error() === JSON_ERROR_NONE) {
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$methodArgs[] = $decoded;
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} else {
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$methodArgs[] = $arg;
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}
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}
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$result = call_user_func_array([$spider, $method], $methodArgs);
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$output['status'] = 'success';
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$output['data'] = $result;
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} catch (Exception $e) {
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$output['message'] = $e->getMessage();
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$output['trace'] = $e->getTraceAsString();
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}
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echo json_encode($output, JSON_UNESCAPED_UNICODE);
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