1 files changed, 105 insertions, 0 deletions
diff --git a/libs/plugin_python/src/pybind11-qt/pybind11_qt_sip.cpp b/libs/plugin_python/src/pybind11-qt/pybind11_qt_sip.cpp
new file mode 100644
index 0000000..69ad4b8
--- /dev/null
+++ b/libs/plugin_python/src/pybind11-qt/pybind11_qt_sip.cpp
@@ -0,0 +1,105 @@
+#include "pybind11_qt/details/pybind11_qt_sip.h"
+
+#include <stdexcept>
+
+#include <QString>
+
+#include <sip.h>
+
+namespace py = pybind11;
+
+namespace pybind11::detail::qt {
+
+    const sipAPIDef* sipAPI()
+    {
+        std::string exception;
+        static const sipAPIDef* sipApi = nullptr;
+        if (sipApi == nullptr) {
+            PyImport_ImportModule("PyQt6.sip");
+
+            {
+                auto errorObj = PyErr_Occurred();
+                if (errorObj != NULL) {
+                    PyObject *type, *value, *traceback;
+                    PyErr_Fetch(&type, &value, &traceback);
+                    PyErr_NormalizeException(&type, &value, &traceback);
+                    if (traceback != NULL) {
+                        py::handle h_type(type);
+                        py::handle h_val(value);
+                        py::handle h_tb(traceback);
+                        py::object tb(py::module_::import("traceback"));
+                        py::object fmt_exp(tb.attr("format_exception"));
+                        py::object exp_list(fmt_exp(h_type, h_val, h_tb));
+                        py::object exp_str(py::str("\n").attr("join")(exp_list));
+                        exception = exp_str.cast<std::string>();
+                    }
+                    PyErr_Restore(type, value, traceback);
+                    throw std::runtime_error{"Failed to load SIP API: " + exception};
+                }
+            }
+
+            sipApi = (const sipAPIDef*)PyCapsule_Import("PyQt6.sip._C_API", 0);
+            if (sipApi == NULL) {
+                auto errorObj = PyErr_Occurred();
+                if (errorObj != NULL) {
+                    PyObject *type, *value, *traceback;
+                    PyErr_Fetch(&type, &value, &traceback);
+                    PyErr_NormalizeException(&type, &value, &traceback);
+                    if (traceback != NULL) {
+                        py::handle h_type(type);
+                        py::handle h_val(value);
+                        py::handle h_tb(traceback);
+                        py::object tb(py::module_::import("traceback"));
+                        py::object fmt_exp(tb.attr("format_exception"));
+                        py::object exp_list(fmt_exp(h_type, h_val, h_tb));
+                        py::object exp_str(py::str("\n").attr("join")(exp_list));
+                        exception = exp_str.cast<std::string>();
+                    }
+                    PyErr_Restore(type, value, traceback);
+                }
+                throw std::runtime_error{"Failed to load SIP API: " + exception};
+            }
+        }
+        return sipApi;
+    }
+
+    namespace sip {
+        const sipTypeDef* api_find_type(const char* type)
+        {
+            return sipAPI()->api_find_type(type);
+        }
+
+        int api_can_convert_to_type(PyObject* pyObj, const sipTypeDef* td, int flags)
+        {
+            return sipAPI()->api_can_convert_to_type(pyObj, td, flags);
+        }
+
+        void api_transfer_to(PyObject* self, PyObject* owner)
+        {
+            sipAPI()->api_transfer_to(self, owner);
+        }
+
+        void api_transfer_back(PyObject* self)
+        {
+            sipAPI()->api_transfer_back(self);
+        }
+
+        PyObject* api_convert_from_type(void* cpp, const sipTypeDef* td, PyObject*)
+        {
+            return sipAPI()->api_convert_from_type(cpp, td, 0);
+        }
+
+        void* extract_data(PyObject* ptr)
+        {
+            if (PyObject_TypeCheck(ptr, sipAPI()->api_simplewrapper_type)) {
+                return reinterpret_cast<sipSimpleWrapper*>(ptr)->data;
+            }
+            else if (PyObject_TypeCheck(ptr, sipAPI()->api_wrapper_type)) {
+                return reinterpret_cast<sipWrapper*>(ptr)->super.data;
+            }
+            return nullptr;
+        }
+
+    }  // namespace sip
+
+}  // namespace pybind11::detail::qt