From 39282486b362bff240b48d56ddf7b583d9b2353a Mon Sep 17 00:00:00 2001
From: Bas Schoenmaeckers <b.schoenmaeckers@zandersgroup.com>
Date: Wed, 20 May 2026 16:41:41 +0200
Subject: [PATCH] Add bool support to c-api

---
 crates/capi/src/boolobject.rs | 28 ++++++++++++++++++++++++++++
 crates/capi/src/lib.rs        |  1 +
 2 files changed, 29 insertions(+)
 create mode 100644 crates/capi/src/boolobject.rs

diff --git a/crates/capi/src/boolobject.rs b/crates/capi/src/boolobject.rs
new file mode 100644
index 00000000000..464d0ec0b8a
--- /dev/null
+++ b/crates/capi/src/boolobject.rs
@@ -0,0 +1,28 @@
+use crate::object::define_py_check;
+use crate::{PyObject, pystate::with_vm};
+use core::ffi::{c_int, c_long};
+use rustpython_vm::AsObject;
+
+define_py_check!(fn PyBool_Check, types.bool_type);
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn Py_IsTrue(obj: *mut PyObject) -> c_int {
+    with_vm(|vm| unsafe { obj.as_ref().is_some_and(|obj| obj.is(&vm.ctx.true_value)) })
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn Py_IsFalse(obj: *mut PyObject) -> c_int {
+    with_vm(|vm| unsafe { obj.as_ref().is_some_and(|obj| obj.is(&vm.ctx.false_value)) })
+}
+
+#[unsafe(no_mangle)]
+pub extern "C" fn PyBool_FromLong(value: c_long) -> *mut PyObject {
+    with_vm(|vm| {
+        if value == 0 {
+            &vm.ctx.false_value
+        } else {
+            &vm.ctx.true_value
+        }
+        .to_owned()
+    })
+}
diff --git a/crates/capi/src/lib.rs b/crates/capi/src/lib.rs
index ac7bdf5ef11..957750c7f8e 100644
--- a/crates/capi/src/lib.rs
+++ b/crates/capi/src/lib.rs
@@ -9,6 +9,7 @@ use std::sync::MutexGuard;
 extern crate alloc;
 
 pub mod abstract_;
+pub mod boolobject;
 pub mod bytesobject;
 pub mod ceval;
 pub mod import;