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);
}
