////  PythonInterface.cpp////  Created by Nissim Hadar on Oct 6, 2018.//  Copyright 2013 High Fidelity, Inc.////  Distributed under the Apache License, Version 2.0.//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html//#include "PythonInterface.h"#include <PathUtils.h> #include <QFile>#include <QMessageBox> QString PythonInterface::getPythonCommand() {#ifdef Q_OS_WIN    if (_pythonCommand.isNull()) {        // Use the python launcher as we need python 3, and python 2 may be installed        // See https://www.python.org/dev/peps/pep-0397/        const QString pythonLauncherExecutable{ "py.exe" };        QString pythonPath = PathUtils::getPathToExecutable(pythonLauncherExecutable);        if (!pythonPath.isNull()) {            _pythonCommand = pythonPath + _pythonExe;        }        else {            QMessageBox::critical(0, pythonLauncherExecutable + " not found",                "Please verify that py.exe is in the PATH");            exit(-1);        }    }#elif defined Q_OS_MAC    _pythonCommand = "/usr/local/bin/python3";    if (!QFile::exists(_pythonCommand)) {        QMessageBox::critical(0, "python not found",            "python3 not found at " + _pythonCommand);        exit(-1);    }#endif     return _pythonCommand;}