feat: Python Plugins

deps_src/pybind11/include/pybind11/gil_simple.h

@@ -0,0 +1,37 @@
+// Copyright (c) 2016-2025 The Pybind Development Team.
+// All rights reserved. Use of this source code is governed by a
+// BSD-style license that can be found in the LICENSE file.
+
+#pragma once
+
+#include "detail/common.h"
+
+#include <cassert>
+
+PYBIND11_NAMESPACE_BEGIN(PYBIND11_NAMESPACE)
+
+class gil_scoped_acquire_simple {
+    PyGILState_STATE state;
+
+public:
+    gil_scoped_acquire_simple() : state{PyGILState_Ensure()} {}
+    gil_scoped_acquire_simple(const gil_scoped_acquire_simple &) = delete;
+    gil_scoped_acquire_simple &operator=(const gil_scoped_acquire_simple &) = delete;
+    ~gil_scoped_acquire_simple() { PyGILState_Release(state); }
+};
+
+class gil_scoped_release_simple {
+    PyThreadState *state;
+
+public:
+    // PRECONDITION: The GIL must be held when this constructor is called.
+    gil_scoped_release_simple() {
+        assert(PyGILState_Check());
+        state = PyEval_SaveThread();
+    }
+    gil_scoped_release_simple(const gil_scoped_release_simple &) = delete;
+    gil_scoped_release_simple &operator=(const gil_scoped_release_simple &) = delete;
+    ~gil_scoped_release_simple() { PyEval_RestoreThread(state); }
+};
+
+PYBIND11_NAMESPACE_END(PYBIND11_NAMESPACE)