From 822f137cf2a35ad68e1e7496e82a0502821da533 Mon Sep 17 00:00:00 2001
From: "Paul m. p. Peny" <mail.peny@free.fr>
Date: Sat, 26 Jul 2025 04:00:22 +0200
Subject: [PATCH] add truth test

---
 browsermodule.c | 21 +++++++++++++++++++--
 1 file changed, 19 insertions(+), 2 deletions(-)

diff --git a/browsermodule.c b/browsermodule.c
index 769e046..84c4cbc 100644
--- a/browsermodule.c
+++ b/browsermodule.c
@@ -331,8 +331,7 @@ Object_str(Object *self) {
 /**
  * Implements len().
  */
-static Py_ssize_t
-Object_length(Object *self) {
+static int get_len(Object *self) {
   int len = EM_ASM_INT({
     var val = Emval.toValue($0);
     if (val[Symbol.iterator] && val.length !== undefined) {
@@ -342,7 +341,12 @@ Object_length(Object *self) {
       return -1;
     }
   }, self->handle);
+  return len;
+}
 
+static Py_ssize_t
+Object_length(Object *self) {
+  int len = get_len(self);
   if (len >= 0) {
     return len;
   }
@@ -517,6 +521,18 @@ Object_dir(Object *self, PyObject *noarg) {
   }, self->handle));
 }
 
+/**
+ * Implements truth test.
+ */
+static int
+Object_as_bool(PyObject *self) {
+  return (int)(get_len((Object*)self) != 0 );
+}
+
+static PyNumberMethods Object_as_number = {
+    .nb_bool = Object_as_bool,
+};
+
 static PyAsyncMethods Object_async = {
   .am_await = (unaryfunc)Object_await,
 };
@@ -551,6 +567,7 @@ static PyTypeObject Object_Type = {
   .tp_iter = (getiterfunc)Object_iter,
   .tp_iternext = (iternextfunc)Object_next,
   .tp_methods = Object_methods,
+  .tp_as_number = &Object_as_number,
   .tp_new = PyType_GenericNew,
 };