Add type name c-api functions (#7925)

bschoenmaeckers · web-flow · commit 26f5bbf07760 · 2026-05-19T21:03:39.000+09:00
diff --git a/crates/capi/src/object.rs b/crates/capi/src/object.rs
@@ -66,6 +66,33 @@ pub unsafe extern "C" fn PyType_IsSubtype(a: *const PyTypeObject, b: *const PyTy
     })
 }
 
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyType_GetName(ptr: *const PyTypeObject) -> *mut PyObject {
+    with_vm(|vm| unsafe { &*ptr }.__name__(vm))
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyType_GetQualName(ptr: *const PyTypeObject) -> *mut PyObject {
+    with_vm(|vm| unsafe { &*ptr }.__qualname__(vm))
+}
+
+#[unsafe(no_mangle)]
+pub unsafe extern "C" fn PyType_GetFullyQualifiedName(ptr: *const PyTypeObject) -> *mut PyObject {
+    with_vm(|vm| {
+        let ty = unsafe { &*ptr };
+        let qualname = ty.__qualname__(vm).try_downcast::<PyStr>(vm)?;
+        let module = ty.__module__(vm);
+
+        if let Some(module) = module.downcast_ref::<PyStr>()
+            && module.as_wtf8() != "builtins"
+        {
+            Ok(vm.ctx.new_str(format!("{module}.{qualname}")))
+        } else {
+            Ok(qualname)
+        }
+    })
+}
+
 #[unsafe(no_mangle)]
 pub extern "C" fn Py_GetConstantBorrowed(constant_id: c_uint) -> *mut PyObject {
     with_vm(|vm| {
