private static function getTracebackData($template_file, $e) { $loader_debug_info = array(); $template_does_not_exist = False; $template_info = null; if ($e instanceof TemplateDoesNotExist) { foreach (DjaLoader::$template_source_loaders as $loader) { $template_does_not_exist = True; $template_list = array(); $tpl_sources = $loader->getTemplateSources($template_file); foreach ($tpl_sources as $t) { $template_list[] = array('name' => $t, 'exists' => file_exists($t)); } $loader_debug_info[] = array('loader' => get_class($loader), 'templates' => $template_list); } } if (isset($e->django_template_source)) { list($origin, $pos) = $e->django_template_source; list($start, $end) = $pos; $template_source = $origin->reload(); $context_lines = 10; $line = 0; $upto = 0; $source_lines = array(); $before = $during = $after = ''; $linebreak_iter = function ($source, &$last_pos) { if ($last_pos === null) { $last_pos = 0; return $last_pos; } elseif ($last_pos === false) { return -1; } $p = strpos($source, "\n", $last_pos); if ($p === false) { $last_pos = strlen($source) + 1; // TODO check unicode handling } else { $last_pos = $p + 1; } return $p; }; $num = 0; $next = null; while (($r_ = $linebreak_iter($template_source, $next)) != -1) { if ($start >= $upto && $end <= $next) { $line = $num; $before = escape(py_slice($template_source, $upto, $start)); $during = escape(py_slice($template_source, $start, $end)); $after = escape(py_slice($template_source, $end, $next)); } $source_lines[] = array($num, escape(py_slice($template_source, $upto, $next))); $upto = $next; if ($r_ === false) { $next = false; } $num++; } $total = count($source_lines); $top = max(1, $line - $context_lines); $bottom = min($total, $line + 1 + $context_lines); $template_info = array('message' => $e->getMessage(), 'source_lines' => py_slice($source_lines, $top, $bottom), 'before' => $before, 'during' => $during, 'after' => $after, 'top' => $top, 'bottom' => $bottom, 'total' => $total, 'line' => $line, 'name' => $origin->name); } return array('exception_type' => get_class($e), 'exception_value' => $e->getMessage(), 'dja_version_info' => Dja::getVersion(), 'template_info' => $template_info, 'template_does_not_exist' => $template_does_not_exist, 'loader_debug_info' => $loader_debug_info); }