Method loadPythonGroups

Engine/AppManager.cpp:1836–2022

}

void
AppManager::loadPythonGroups()
{
#ifdef NATRON_RUN_WITHOUT_PYTHON

    return;
#endif
    PythonGILLocker pgl; // useless?
    QStringList templatesSearchPath = getAllNonOFXPluginsPaths();
    std::string err;
    QStringList allPlugins;

    ///For all search paths, first add the path to the python path, then run in order the init.py and initGui.py
    Q_FOREACH(const QString &templatesSearchDir, templatesSearchPath) {
        //Adding Qt resources to Python path is useless as Python does not know how to use it
        if ( templatesSearchDir.startsWith( QString::fromUtf8(":/Resources") ) ) {
            continue;
        }
        QDir d(templatesSearchDir);
        operateOnPathRecursive(&addToPythonPathFunctor, d);
    }

    ///Also import qtpy.QtCore and qtpy.QtGui (the later only in non background mode)
    {
        std::string s;
        s = "import qtpy\nfrom qtpy import QtCore";
        bool ok  = NATRON_PYTHON_NAMESPACE::interpretPythonScript(s, &err, 0);
        if (!ok) {
            QString message = tr("Failed to import qtpy.QtCore, make sure it is bundled with your Natron installation "
                                     "or reachable through the Python path. "
                                     "Note that Natron disables usage "
                                 "of site-packages).");
            std::cerr << message.toStdString() << std::endl;
            appPTR->writeToErrorLog_mt_safe(QLatin1String("qtpy.QtCore"), QDateTime::currentDateTime(), message);
        }
    }

    if ( !isBackground() ) {
        std::string s = "from qtpy import QtGui";
        bool ok  = NATRON_PYTHON_NAMESPACE::interpretPythonScript(s, &err, 0);
        if (!ok) {
            QString message = tr("Failed to import qtpy.QtGui");
            std::cerr << message.toStdString() << std::endl;
            appPTR->writeToErrorLog_mt_safe(QLatin1String("qtpy.QtGui"), QDateTime::currentDateTime(), message);
        }
    }


    QStringList foundInit;
    QStringList foundInitGui;
    Q_FOREACH(const QString &templatesSearchDir, templatesSearchPath) {
        QDir d(templatesSearchDir);

        findAllScriptsRecursive(d, allPlugins, &foundInit, &foundInitGui);
    }
    if ( foundInit.isEmpty() ) {
        QString message = tr("Info: init.py script not loaded (this is not an error)");
        appPTR->setLoadingStatus(message);