Method declarePythonFields

Engine/Node.cpp:6617–6680

}

void
Node::declarePythonFields()
{
#ifdef NATRON_RUN_WITHOUT_PYTHON

    return;
#endif
    if (getScriptName_mt_safe().empty()) {
        return;
    }
    PythonGILLocker pgl;

    if ( !getGroup() ) {
        return;
    }

    std::locale locale;
    std::string nodeName;
    if (getIOContainer()) {
        nodeName = getIOContainer()->getFullyQualifiedName();
    } else {
        nodeName = getFullyQualifiedName();
    }
    std::string appID = getApp()->getAppIDString();
    bool alreadyDefined = false;
    std::string nodeFullName = appID + "." + nodeName;
    PyObject* nodeObj = NATRON_PYTHON_NAMESPACE::getAttrRecursive(nodeFullName, NATRON_PYTHON_NAMESPACE::getMainModule(), &alreadyDefined);
    assert(nodeObj);
    Q_UNUSED(nodeObj);
    if (!alreadyDefined) {
        qDebug() << QString::fromUtf8("declarePythonFields(): attribute ") + QString::fromUtf8( nodeFullName.c_str() ) + QString::fromUtf8(" is not defined");
        throw std::logic_error(std::string("declarePythonFields(): attribute ") + nodeFullName + " is not defined");
    }


    std::stringstream ss;
#ifdef DEBUG
    ss << "if not " << nodeFullName << ":\n";
    ss << "    print(\"[BUG]: " << nodeFullName << " is not defined!\")\n";
#endif
    const KnobsVec& knobs = getKnobs();
    for (U32 i = 0; i < knobs.size(); ++i) {
        const std::string& knobName = knobs[i]->getName();
        if ( !knobName.empty() && (knobName.find(" ") == std::string::npos) && !std::isdigit(knobName[0], locale) ) {
            if ( PyObject_HasAttrString( nodeObj, knobName.c_str() ) ) {
                continue;
            }
            ss << nodeFullName <<  "." << knobName << " = ";
            ss << nodeFullName << ".getParam(\"" << knobName << "\")\n";
        }
    }

    std::string script = ss.str();
    if ( !script.empty() ) {
        if ( !appPTR->isBackground() ) {
            getApp()->printAutoDeclaredVariable(script);
        }
        std::string err;