Proper kill for python code

Signed-off-by: Bhathiya Perera <[email protected]>

Author: JaDogg

PythonAccess/pythonworker.cpp

@@ -22,3 +22,16 @@ void PythonWorker::RunPython(const QString &startme, const QString &code) {
   Py_Finalize();
   emit EndPythonRun();
 }
+
+// https://stackoverflow.com/questions/1420957/stopping-embedded-python
+int quit(void *) {
+  PyErr_SetInterrupt();
+  return -1;
+}
+
+void PythonWorker::StopPython()
+{
+  QThread::msleep(10);
+  Py_AddPendingCall(&quit, NULL);
+  QThread::msleep(10);
+}

PythonAccess/pythonworker.h

@@ -21,6 +21,8 @@ class PythonWorker : public QObject {
 
 public slots:
   void RunPython(const QString &startme, const QString &code);
+public:
+  void StopPython();
 };
 
 #endif // PYTHONWORKER_H

UI/mainview.cpp

@@ -21,7 +21,7 @@ MainView::MainView(QWidget *parent)
  */
 void MainView::SetupPython() {
   emb::setMainView(this);
-  PythonWorker *worker = new PythonWorker();
+  PythonWorker* worker = new PythonWorker();
   emb::setWorker(worker);
   m_workerThread = new QThread();
   worker->moveToThread(m_workerThread);
@@ -549,9 +549,6 @@ void MainView::on_btnTuteMark_clicked()
 
 void MainView::on_btnStopPython_clicked()
 {
-    m_workerThread->terminate();
-    this->EndPythonRun();
-    m_workerThread->wait();
-    delete m_workerThread;
-    SetupPython();
+    PythonWorker p;
+    p.StopPython();
 }