C++ PythonQtObjectPtr::evalFile方法代码示例

bool CPythonNode::data(QString gate_name, const CConstDataPointer &data)
{
    Q_UNUSED(gate_name);

    if(data->getType() == "table") {
        // Get the table data structured received.
        QSharedPointer<const CTableData> p_table = data.staticCast<const CTableData>();
        // Create a table data structure to forward.
        QSharedPointer<CTableData> result_table = QSharedPointer<CTableData>(
                    static_cast<CTableData *>(createData("table")));

        QString script_name = getConfig().getParameter("input_script")->value.toString();
        // Start a new python context independant of any other.
        PythonQtObjectPtr module = PythonQt::self()->createUniqueModule();
        // Evaluate the user-supplied python script.
        module.evalFile(script_name);
        // Call the 'main' function of the user script with the received table
        // ... and a table that will contatin the results as arguments.
        QVariant result = module.call("main",
            QVariantList() << QVariant::fromValue(p_table.data())
                           << QVariant::fromValue(result_table.data()));
        if(result.toBool()) {
            commit("out", result_table);
        }

        return true;
    }
    else if(data->getType() == "tcpstreams") {
        // The TCP Streams data structure.
        QSharedPointer<const CTcpStreamsData> p_flows = data.staticCast<const CTcpStreamsData>();
        // Create a table data structure to forward.
        QSharedPointer<CTableData> result_table = QSharedPointer<CTableData>(
                    static_cast<CTableData *>(createData("table")));

        QString script_name = getConfig().getParameter("input_script")->value.toString();
        // Start a new python context independant of any other.
        PythonQtObjectPtr module = PythonQt::self()->createUniqueModule();
        // Evaluate the user-supplied python script.
        module.evalFile(script_name);
        // Call the 'main' function of the user script with the received table
        // ... and a table that will contatin the results as arguments.
        QVariant result = module.call("main",
            QVariantList() << QVariant::fromValue(p_flows.data())
                           << QVariant::fromValue(result_table.data()));

        // If the python script returned true, commit the results' table.
        if(result.toBool()) {
            commit("out", result_table);
        }

        return true;
    }

    return false;
}

int main( int argc, char **argv )
{
  QApplication qapp(argc, argv);

  PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
  PythonQt_QtAll::init();

  PythonQtObjectPtr  mainContext = PythonQt::self()->getMainModule();

  bool showConsole = false;
  QStringList files;
  for (int i = 1; i < argc; i++) {
    QString arg = argv[i];
    QString argLower = arg.toLower();
    if (argLower == "-console" || argLower == "-c") {
      showConsole = true;
    } else {
      QString file = arg;
      QFileInfo info(file);
      if (info.exists()) {
        files << info.absoluteFilePath();
        // add the file's absolute path for local importing
        PythonQt::self()->addSysPath(info.absolutePath());
      } else {
        QMessageBox::warning(NULL, "PyLauncher", QString("File does not exist: %1").arg(file));
      }
    }
  }
  PythonQtScriptingConsole console(NULL, mainContext);

  Q_FOREACH(QString file, files) {
    mainContext.evalFile(file);
  }

int main( int argc, char **argv )
{
  QApplication qapp(argc, argv);

  PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);
  PythonQt_QtAll::init();

  PythonQtObjectPtr  mainContext = PythonQt::self()->getMainModule();
  PythonQtScriptingConsole console(NULL, mainContext);

  // add a QObject to the namespace of the main python context
  PyExampleObject example;
  mainContext.addObject("example", &example);

  mainContext.evalFile(":example.py");

  console.show();
  return qapp.exec();
}

int main( int argc, char **argv )
{
  QApplication qapp(argc, argv);

  PythonQt::init(PythonQt::IgnoreSiteModule | PythonQt::RedirectStdOut);

  PythonQtObjectPtr  mainContext = PythonQt::self()->getMainModule();
  PythonQtScriptingConsole console(NULL, mainContext);

  // register the type with QMetaType
  qRegisterMetaType<CustomObject>("CustomObject");
  // add a wrapper object for the new variant type
  PythonQt::self()->registerCPPClass("CustomObject","","example", PythonQtCreateObject<CustomObjectWrapper>);

  mainContext.evalFile(":example.py");

  console.appendCommandPrompt();
  console.show();

  return qapp.exec();
}