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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt for Python.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <sbkpython.h>
#include "pysideclassinfo.h"
#include "pyside_p.h"
#include "pysideclassinfo_p.h"
#include "dynamicqmetaobject.h"
#include <shiboken.h>
#include <signature.h>
extern "C"
{
static PyObject *classInfoTpNew(PyTypeObject *subtype, PyObject *args, PyObject *kwds);
static int classInfoTpInit(PyObject *, PyObject *, PyObject *);
static void classInfoFree(void *);
static PyObject *classCall(PyObject *, PyObject *, PyObject *);
static PyType_Slot PySideClassInfoType_slots[] = {
{Py_tp_call, (void *)classCall},
{Py_tp_init, (void *)classInfoTpInit},
{Py_tp_new, (void *)classInfoTpNew},
{Py_tp_free, (void *)classInfoFree},
{Py_tp_dealloc, (void *)Sbk_object_dealloc},
{0, 0}
};
static PyType_Spec PySideClassInfoType_spec = {
"2:PySide2.QtCore.ClassInfo",
sizeof(PySideClassInfo),
0,
Py_TPFLAGS_DEFAULT,
PySideClassInfoType_slots,
};
PyTypeObject *PySideClassInfoTypeF(void)
{
static PyTypeObject *type =
reinterpret_cast<PyTypeObject *>(SbkType_FromSpec(&PySideClassInfoType_spec));
return type;
}
PyObject *classCall(PyObject *self, PyObject *args, PyObject * /* kw */)
{
if (!PyTuple_Check(args) || PyTuple_Size(args) != 1) {
PyErr_Format(PyExc_TypeError,
"The ClassInfo decorator takes exactly 1 positional argument (%zd given)",
PyTuple_Size(args));
return 0;
}
PySideClassInfo *data = reinterpret_cast<PySideClassInfo *>(self);
PySideClassInfoPrivate *pData = data->d;
if (pData->m_alreadyWrapped) {
PyErr_SetString(PyExc_TypeError, "This instance of ClassInfo() was already used to wrap an object");
return 0;
}
PyObject *klass = PyTuple_GetItem(args, 0);
bool validClass = false;
// This will sometimes segfault if you mistakenly use it on a function declaration
if (!PyType_Check(klass)) {
PyErr_SetString(PyExc_TypeError, "This decorator can only be used on class declarations");
return 0;
}
PyTypeObject *klassType = reinterpret_cast<PyTypeObject *>(klass);
if (Shiboken::ObjectType::checkType(klassType)) {
if (auto userData = PySide::retrieveTypeUserData(klassType)) {
PySide::MetaObjectBuilder &mo = userData->mo;
mo.addInfo(PySide::ClassInfo::getMap(data));
pData->m_alreadyWrapped = true;
validClass = true;
}
}
if (!validClass) {
PyErr_SetString(PyExc_TypeError, "This decorator can only be used on classes that are subclasses of QObject");
return 0;
}
Py_INCREF(klass);
return klass;
}
static PyObject *classInfoTpNew(PyTypeObject *subtype, PyObject * /* args */, PyObject * /* kwds */)
{
PySideClassInfo *me = reinterpret_cast<PySideClassInfo *>(subtype->tp_alloc(subtype, 0));
me->d = new PySideClassInfoPrivate;
me->d->m_alreadyWrapped = false;
return reinterpret_cast<PyObject *>(me);
}
int classInfoTpInit(PyObject *self, PyObject *args, PyObject *kwds)
{
if (PyTuple_Check(args) && PyTuple_Size(args) > 0) {
PyErr_Format(PyExc_TypeError, "ClassInfo() takes exactly 0 positional arguments (%zd given)", PyTuple_Size(args));
return -1;
}
PySideClassInfo *data = reinterpret_cast<PySideClassInfo *>(self);
PySideClassInfoPrivate *pData = data->d;
PyObject *key;
PyObject *value;
Py_ssize_t pos = 0;
// PyDict_Next causes a segfault if kwds is empty
if (kwds && PyDict_Check(kwds) && PyDict_Size(kwds) > 0) {
while (PyDict_Next(kwds, &pos, &key, &value)) {
if (Shiboken::String::check(key) && Shiboken::String::check(value)) {
pData->m_data[Shiboken::String::toCString(key)] = Shiboken::String::toCString(value);
} else {
PyErr_SetString(PyExc_TypeError, "All keys and values provided to ClassInfo() must be strings");
return -1;
}
}
}
return PyErr_Occurred() ? -1 : 0;
}
void classInfoFree(void *self)
{
auto pySelf = reinterpret_cast<PyObject *>(self);
auto data = reinterpret_cast<PySideClassInfo *>(self);
delete data->d;
Py_TYPE(pySelf)->tp_base->tp_free(self);
}
} // extern "C"
namespace PySide { namespace ClassInfo {
static const char *ClassInfo_SignatureStrings[] = {
"PySide2.QtCore.ClassInfo(self,**info:typing.Dict[str,str])",
nullptr}; // Sentinel
void init(PyObject *module)
{
if (InitSignatureStrings(PySideClassInfoTypeF(), ClassInfo_SignatureStrings) < 0)
return;
Py_INCREF(PySideClassInfoTypeF());
PyModule_AddObject(module, "ClassInfo", reinterpret_cast<PyObject *>(PySideClassInfoTypeF()));
}
bool checkType(PyObject *pyObj)
{
if (pyObj)
return PyType_IsSubtype(Py_TYPE(pyObj), PySideClassInfoTypeF());
return false;
}
QMap<QByteArray, QByteArray> getMap(PySideClassInfo *obj)
{
return obj->d->m_data;
}
} //namespace Property
} //namespace PySide
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