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ab27e09b91
Sometimes it is not necessary to include the whole Cutter.h file Hence, it's been splitted so you can include only what you require E.g. #include "core/CutterCommon.h" to have access to the common types
88 lines
2.3 KiB
C++
88 lines
2.3 KiB
C++
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#ifdef CUTTER_ENABLE_JUPYTER
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#include <Python.h>
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#include <csignal>
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#include "core/Cutter.h"
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#include "NestedIPyKernel.h"
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#include "QtResImporter.h"
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NestedIPyKernel *NestedIPyKernel::start(const QStringList &argv)
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{
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PyThreadState *parentThreadState = PyThreadState_Get();
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PyThreadState *threadState = Py_NewInterpreter();
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if (!threadState) {
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qWarning() << "Could not create subinterpreter.";
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return nullptr;
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}
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RegQtResImporter();
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auto cutterIPykernelModule = QtResImport("cutter_ipykernel");
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if (!cutterIPykernelModule) {
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qWarning() << "Could not import cutter_ipykernel.";
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return nullptr;
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}
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auto kernel = new NestedIPyKernel(cutterIPykernelModule, argv);
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PyThreadState_Swap(parentThreadState);
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return kernel;
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}
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NestedIPyKernel::NestedIPyKernel(PyObject *cutterIPykernelModule, const QStringList &argv)
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{
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threadState = PyThreadState_Get();
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auto launchFunc = PyObject_GetAttrString(cutterIPykernelModule, "launch_ipykernel");
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PyObject *argvListObject = PyList_New(argv.size());
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for (int i = 0; i < argv.size(); i++) {
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QString s = argv[i];
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PyList_SetItem(argvListObject, i, PyUnicode_DecodeUTF8(s.toUtf8().constData(), s.length(),
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nullptr));
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}
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kernel = PyObject_CallFunction(launchFunc, "O", argvListObject);
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}
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NestedIPyKernel::~NestedIPyKernel()
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{
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auto parentThreadState = PyThreadState_Swap(threadState);
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auto ret = PyObject_CallMethod(kernel, "cleanup", nullptr);
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if (!ret) {
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PyErr_Print();
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}
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PyThreadState_Swap(parentThreadState);
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}
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void NestedIPyKernel::sendSignal(long signum)
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{
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auto parentThreadState = PyThreadState_Swap(threadState);
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auto ret = PyObject_CallMethod(kernel, "send_signal", "l", signum);
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if (!ret) {
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PyErr_Print();
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}
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PyThreadState_Swap(parentThreadState);
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}
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QVariant NestedIPyKernel::poll()
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{
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QVariant ret;
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auto parentThreadState = PyThreadState_Swap(threadState);
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PyObject *pyRet = PyObject_CallMethod(kernel, "poll", nullptr);
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if (pyRet) {
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if (PyLong_Check(pyRet)) {
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ret = (qlonglong)PyLong_AsLong(pyRet);
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}
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} else {
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PyErr_Print();
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}
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PyThreadState_Swap(parentThreadState);
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return ret;
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}
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#endif
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