mirror of
https://github.com/nomic-ai/gpt4all
synced 2024-11-02 09:40:42 +00:00
685 lines
24 KiB
C++
685 lines
24 KiB
C++
#include "modellist.h"
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#include <algorithm>
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//#define USE_LOCAL_MODELSJSON
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InstalledModels::InstalledModels(QObject *parent)
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: QSortFilterProxyModel(parent)
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{
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connect(this, &InstalledModels::rowsInserted, this, &InstalledModels::countChanged);
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connect(this, &InstalledModels::rowsRemoved, this, &InstalledModels::countChanged);
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connect(this, &InstalledModels::modelReset, this, &InstalledModels::countChanged);
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connect(this, &InstalledModels::layoutChanged, this, &InstalledModels::countChanged);
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}
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bool InstalledModels::filterAcceptsRow(int sourceRow,
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const QModelIndex &sourceParent) const
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{
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QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
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bool isInstalled = sourceModel()->data(index, ModelList::InstalledRole).toBool();
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return isInstalled;
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}
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int InstalledModels::count() const
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{
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return rowCount();
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}
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QString InstalledModels::firstFilename() const
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{
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if (rowCount() > 0) {
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QModelIndex firstIndex = index(0, 0);
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return sourceModel()->data(firstIndex, ModelList::FilenameRole).toString();
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} else {
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return QString();
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}
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}
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DownloadableModels::DownloadableModels(QObject *parent)
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: QSortFilterProxyModel(parent)
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, m_expanded(false)
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, m_limit(5)
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{
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connect(this, &DownloadableModels::rowsInserted, this, &DownloadableModels::countChanged);
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connect(this, &DownloadableModels::rowsRemoved, this, &DownloadableModels::countChanged);
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connect(this, &DownloadableModels::modelReset, this, &DownloadableModels::countChanged);
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connect(this, &DownloadableModels::layoutChanged, this, &DownloadableModels::countChanged);
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}
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bool DownloadableModels::filterAcceptsRow(int sourceRow,
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const QModelIndex &sourceParent) const
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{
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bool withinLimit = sourceRow < (m_expanded ? sourceModel()->rowCount() : m_limit);
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QModelIndex index = sourceModel()->index(sourceRow, 0, sourceParent);
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bool isDownloadable = !sourceModel()->data(index, ModelList::DescriptionRole).toString().isEmpty();
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bool showInGUI = !sourceModel()->data(index, ModelList::DisableGUIRole).toBool();
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return withinLimit && isDownloadable && showInGUI;
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}
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int DownloadableModels::count() const
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{
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return rowCount();
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}
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bool DownloadableModels::isExpanded() const
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{
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return m_expanded;
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}
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void DownloadableModels::setExpanded(bool expanded)
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{
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if (m_expanded != expanded) {
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m_expanded = expanded;
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invalidateFilter();
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emit expandedChanged(m_expanded);
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}
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}
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class MyModelList: public ModelList { };
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Q_GLOBAL_STATIC(MyModelList, modelListInstance)
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ModelList *ModelList::globalInstance()
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{
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return modelListInstance();
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}
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ModelList::ModelList()
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: QAbstractListModel(nullptr)
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, m_installedModels(new InstalledModels(this))
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, m_downloadableModels(new DownloadableModels(this))
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{
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m_installedModels->setSourceModel(this);
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m_downloadableModels->setSourceModel(this);
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m_watcher = new QFileSystemWatcher(this);
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QSettings settings;
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settings.sync();
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m_localModelsPath = settings.value("modelPath", defaultLocalModelsPath()).toString();
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const QString exePath = QCoreApplication::applicationDirPath() + QDir::separator();
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m_watcher->addPath(exePath);
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m_watcher->addPath(m_localModelsPath);
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connect(m_watcher, &QFileSystemWatcher::directoryChanged, this, &ModelList::updateModelsFromDirectory);
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connect(this, &ModelList::localModelsPathChanged, this, &ModelList::updateModelList);
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updateModelsFromDirectory();
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updateModelList();
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}
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QString ModelList::incompleteDownloadPath(const QString &modelFile)
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{
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return localModelsPath() + "incomplete-" + modelFile;
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}
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const QList<ModelInfo> ModelList::exportModelList() const
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{
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QMutexLocker locker(&m_mutex);
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QList<ModelInfo> infos;
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for (ModelInfo *info : m_models)
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if (info->installed)
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infos.append(*info);
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return infos;
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}
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const QList<QString> ModelList::userDefaultModelList() const
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{
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QMutexLocker locker(&m_mutex);
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QSettings settings;
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settings.sync();
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const QString userDefaultModelName = settings.value("userDefaultModel").toString();
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QList<QString> models;
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bool foundUserDefault = false;
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for (ModelInfo *info : m_models) {
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if (info->installed && (info->name == userDefaultModelName || info->filename == userDefaultModelName)) {
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foundUserDefault = true;
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models.prepend(info->name.isEmpty() ? info->filename : info->name);
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} else if (info->installed) {
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models.append(info->name.isEmpty() ? info->filename : info->name);
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}
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}
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const QString defaultFileName = "Application default";
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if (foundUserDefault)
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models.append(defaultFileName);
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else
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models.prepend(defaultFileName);
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return models;
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}
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ModelInfo ModelList::defaultModelInfo() const
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{
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QMutexLocker locker(&m_mutex);
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QSettings settings;
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settings.sync();
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// The user default model can be set by the user in the settings dialog. The "default" user
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// default model is "Application default" which signals we should use the default model that was
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// specified by the models.json file.
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const QString userDefaultModelName = settings.value("userDefaultModel").toString();
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const bool hasUserDefaultName = !userDefaultModelName.isEmpty() && userDefaultModelName != "Application default";
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const QString defaultModelName = settings.value("defaultModel").toString();
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const bool hasDefaultName = hasUserDefaultName ? false : !defaultModelName.isEmpty();
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ModelInfo *defaultModel = nullptr;
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for (ModelInfo *info : m_models) {
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if (!info->installed)
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continue;
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defaultModel = info;
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// If we don't have either setting, then just use the first model that is installed
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if (!hasUserDefaultName && !hasDefaultName)
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break;
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// If we don't have a user specified default, but *do* have a default setting and match, then use it
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if (!hasUserDefaultName && hasDefaultName && (defaultModel->name == defaultModelName || defaultModel->filename == defaultModelName))
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break;
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// If we have a user specified default and match, then use it
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if (hasUserDefaultName && (defaultModel->name == userDefaultModelName || defaultModel->filename == userDefaultModelName))
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break;
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}
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if (defaultModel)
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return *defaultModel;
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return ModelInfo();
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}
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bool ModelList::contains(const QString &filename) const
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{
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QMutexLocker locker(&m_mutex);
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return m_modelMap.contains(filename);
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}
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bool ModelList::lessThan(const ModelInfo* a, const ModelInfo* b)
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{
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// Rule 1: Non-empty 'order' before empty
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if (a->order.isEmpty() != b->order.isEmpty()) {
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return !a->order.isEmpty();
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}
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// Rule 2: Both 'order' are non-empty, sort alphanumerically
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if (!a->order.isEmpty() && !b->order.isEmpty()) {
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return a->order < b->order;
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}
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// Rule 3: Both 'order' are empty, sort by filename
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return a->filename < b->filename;
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}
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void ModelList::addModel(const QString &filename)
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{
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const bool hasModel = contains(filename);
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Q_ASSERT(!hasModel);
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if (hasModel) {
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qWarning() << "ERROR: model list already contains" << filename;
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return;
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}
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beginInsertRows(QModelIndex(), m_models.size(), m_models.size());
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int modelSizeAfter = 0;
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{
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QMutexLocker locker(&m_mutex);
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ModelInfo *info = new ModelInfo;
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info->filename = filename;
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m_models.append(info);
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m_modelMap.insert(filename, info);
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std::stable_sort(m_models.begin(), m_models.end(), ModelList::lessThan);
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modelSizeAfter = m_models.size();
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}
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endInsertRows();
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emit dataChanged(index(0, 0), index(modelSizeAfter - 1, 0));
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emit userDefaultModelListChanged();
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}
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int ModelList::rowCount(const QModelIndex &parent) const
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{
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Q_UNUSED(parent)
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QMutexLocker locker(&m_mutex);
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return m_models.size();
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}
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QVariant ModelList::dataInternal(const ModelInfo *info, int role) const
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{
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switch (role) {
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case NameRole:
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return info->name;
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case FilenameRole:
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return info->filename;
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case DirpathRole:
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return info->dirpath;
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case FilesizeRole:
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return info->filesize;
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case Md5sumRole:
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return info->md5sum;
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case CalcHashRole:
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return info->calcHash;
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case InstalledRole:
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return info->installed;
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case DefaultRole:
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return info->isDefault;
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case ChatGPTRole:
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return info->isChatGPT;
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case DisableGUIRole:
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return info->disableGUI;
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case DescriptionRole:
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return info->description;
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case RequiresVersionRole:
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return info->requiresVersion;
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case DeprecatedVersionRole:
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return info->deprecatedVersion;
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case UrlRole:
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return info->url;
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case BytesReceivedRole:
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return info->bytesReceived;
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case BytesTotalRole:
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return info->bytesTotal;
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case TimestampRole:
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return info->timestamp;
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case SpeedRole:
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return info->speed;
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case DownloadingRole:
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return info->isDownloading;
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case IncompleteRole:
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return info->isIncomplete;
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case DownloadErrorRole:
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return info->downloadError;
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case OrderRole:
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return info->order;
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case RamrequiredRole:
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return info->ramrequired;
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case ParametersRole:
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return info->parameters;
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case QuantRole:
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return info->quant;
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case TypeRole:
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return info->type;
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}
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return QVariant();
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}
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QVariant ModelList::data(const QString &filename, int role) const
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{
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QMutexLocker locker(&m_mutex);
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ModelInfo *info = m_modelMap.value(filename);
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return dataInternal(info, role);
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}
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QVariant ModelList::data(const QModelIndex &index, int role) const
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{
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QMutexLocker locker(&m_mutex);
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if (!index.isValid() || index.row() < 0 || index.row() >= m_models.size())
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return QVariant();
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const ModelInfo *info = m_models.at(index.row());
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return dataInternal(info, role);
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}
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void ModelList::updateData(const QString &filename, int role, const QVariant &value)
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{
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int modelSize;
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bool updateInstalled;
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bool updateIncomplete;
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int index;
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{
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QMutexLocker locker(&m_mutex);
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if (!m_modelMap.contains(filename)) {
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qWarning() << "ERROR: cannot update as model map does not contain" << filename;
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return;
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}
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ModelInfo *info = m_modelMap.value(filename);
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index = m_models.indexOf(info);
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if (index == -1) {
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qWarning() << "ERROR: cannot update as model list does not contain" << filename;
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return;
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}
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switch (role) {
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case NameRole:
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info->name = value.toString(); break;
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case FilenameRole:
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info->filename = value.toString(); break;
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case DirpathRole:
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info->dirpath = value.toString(); break;
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case FilesizeRole:
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info->filesize = value.toString(); break;
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case Md5sumRole:
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info->md5sum = value.toByteArray(); break;
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case CalcHashRole:
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info->calcHash = value.toBool(); break;
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case InstalledRole:
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info->installed = value.toBool(); break;
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case DefaultRole:
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info->isDefault = value.toBool(); break;
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case ChatGPTRole:
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info->isChatGPT = value.toBool(); break;
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case DisableGUIRole:
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info->disableGUI = value.toBool(); break;
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case DescriptionRole:
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info->description = value.toString(); break;
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case RequiresVersionRole:
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info->requiresVersion = value.toString(); break;
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case DeprecatedVersionRole:
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info->deprecatedVersion = value.toString(); break;
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case UrlRole:
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info->url = value.toString(); break;
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case BytesReceivedRole:
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info->bytesReceived = value.toLongLong(); break;
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case BytesTotalRole:
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info->bytesTotal = value.toLongLong(); break;
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case TimestampRole:
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info->timestamp = value.toLongLong(); break;
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case SpeedRole:
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info->speed = value.toString(); break;
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case DownloadingRole:
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info->isDownloading = value.toBool(); break;
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case IncompleteRole:
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info->isIncomplete = value.toBool(); break;
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case DownloadErrorRole:
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info->downloadError = value.toString(); break;
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case OrderRole:
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info->order = value.toString(); break;
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case RamrequiredRole:
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info->ramrequired = value.toInt(); break;
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case ParametersRole:
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info->parameters = value.toString(); break;
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case QuantRole:
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info->quant = value.toString(); break;
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case TypeRole:
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info->type = value.toString(); break;
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}
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// Extra guarantee that these always remains in sync with filesystem
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QFileInfo fileInfo(info->dirpath + info->filename);
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if (info->installed != fileInfo.exists()) {
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info->installed = fileInfo.exists();
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updateInstalled = true;
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}
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QFileInfo incompleteInfo(incompleteDownloadPath(info->filename));
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if (info->isIncomplete != incompleteInfo.exists()) {
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info->isIncomplete = incompleteInfo.exists();
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updateIncomplete = true;
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}
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std::stable_sort(m_models.begin(), m_models.end(), ModelList::lessThan);
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modelSize = m_models.size();
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}
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emit dataChanged(createIndex(0, 0), createIndex(modelSize - 1, 0));
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emit userDefaultModelListChanged();
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}
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ModelInfo ModelList::modelInfo(const QString &filename) const
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{
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QMutexLocker locker(&m_mutex);
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if (!m_modelMap.contains(filename))
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return ModelInfo();
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return *m_modelMap.value(filename);
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}
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QString ModelList::defaultLocalModelsPath() const
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{
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QString localPath = QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation)
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+ "/";
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QString testWritePath = localPath + QString("test_write.txt");
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QString canonicalLocalPath = QFileInfo(localPath).canonicalFilePath() + "/";
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QDir localDir(localPath);
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if (!localDir.exists()) {
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if (!localDir.mkpath(localPath)) {
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qWarning() << "ERROR: Local download directory can't be created:" << canonicalLocalPath;
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return canonicalLocalPath;
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}
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}
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if (QFileInfo::exists(testWritePath))
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return canonicalLocalPath;
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QFile testWriteFile(testWritePath);
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if (testWriteFile.open(QIODeviceBase::ReadWrite)) {
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testWriteFile.close();
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return canonicalLocalPath;
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}
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qWarning() << "ERROR: Local download path appears not writeable:" << canonicalLocalPath;
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return canonicalLocalPath;
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}
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QString ModelList::localModelsPath() const
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{
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return m_localModelsPath;
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}
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void ModelList::setLocalModelsPath(const QString &modelPath)
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{
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QString filePath = (modelPath.startsWith("file://") ?
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QUrl(modelPath).toLocalFile() : modelPath);
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QString canonical = QFileInfo(filePath).canonicalFilePath() + "/";
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if (m_localModelsPath != canonical) {
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m_localModelsPath = canonical;
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emit localModelsPathChanged();
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}
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}
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QString ModelList::modelDirPath(const QString &modelName, bool isChatGPT)
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{
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QVector<QString> possibleFilePaths;
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if (isChatGPT)
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possibleFilePaths << "/" + modelName + ".txt";
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else {
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possibleFilePaths << "/ggml-" + modelName + ".bin";
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possibleFilePaths << "/" + modelName + ".bin";
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}
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for (const QString &modelFilename : possibleFilePaths) {
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QString appPath = QCoreApplication::applicationDirPath() + modelFilename;
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QFileInfo infoAppPath(appPath);
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if (infoAppPath.exists())
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return QCoreApplication::applicationDirPath();
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QString downloadPath = localModelsPath() + modelFilename;
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QFileInfo infoLocalPath(downloadPath);
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if (infoLocalPath.exists())
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return localModelsPath();
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}
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return QString();
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}
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void ModelList::updateModelsFromDirectory()
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{
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const QString exePath = QCoreApplication::applicationDirPath() + QDir::separator();
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const QString localPath = localModelsPath();
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auto processDirectory = [&](const QString& path) {
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QDirIterator it(path, QDirIterator::Subdirectories);
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while (it.hasNext()) {
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it.next();
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if (!it.fileInfo().isDir()) {
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QString filename = it.fileName();
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// All files that end with .bin and have 'ggml' somewhere in the name
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if ((filename.endsWith(".bin") && filename.contains("ggml") && !filename.startsWith("incomplete"))
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|| (filename.endsWith(".txt") && filename.startsWith("chatgpt-"))) {
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QString filePath = it.filePath();
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QFileInfo info(filePath);
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if (!info.exists())
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continue;
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if (!contains(filename))
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addModel(filename);
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updateData(filename, ChatGPTRole, filename.startsWith("chatgpt-"));
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updateData(filename, DirpathRole, path);
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updateData(filename, FilesizeRole, toFileSize(info.size()));
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}
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}
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}
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};
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processDirectory(exePath);
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if (localPath != exePath)
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processDirectory(localPath);
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}
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void ModelList::updateModelList()
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{
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#if defined(USE_LOCAL_MODELSJSON)
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QUrl jsonUrl("file://" + QDir::homePath() + "/dev/large_language_models/gpt4all/gpt4all-chat/metadata/models.json");
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#else
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QUrl jsonUrl("http://gpt4all.io/models/models.json");
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#endif
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QNetworkRequest request(jsonUrl);
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|
QSslConfiguration conf = request.sslConfiguration();
|
|
conf.setPeerVerifyMode(QSslSocket::VerifyNone);
|
|
request.setSslConfiguration(conf);
|
|
QNetworkReply *jsonReply = m_networkManager.get(request);
|
|
QEventLoop loop;
|
|
connect(jsonReply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
|
|
QTimer::singleShot(1500, &loop, &QEventLoop::quit);
|
|
loop.exec();
|
|
if (jsonReply->error() == QNetworkReply::NoError && jsonReply->isFinished()) {
|
|
QByteArray jsonData = jsonReply->readAll();
|
|
jsonReply->deleteLater();
|
|
parseModelsJsonFile(jsonData);
|
|
} else {
|
|
qWarning() << "Could not download models.json";
|
|
}
|
|
delete jsonReply;
|
|
}
|
|
|
|
static bool operator==(const ModelInfo& lhs, const ModelInfo& rhs) {
|
|
return lhs.filename == rhs.filename && lhs.md5sum == rhs.md5sum;
|
|
}
|
|
|
|
static bool compareVersions(const QString &a, const QString &b) {
|
|
QStringList aParts = a.split('.');
|
|
QStringList bParts = b.split('.');
|
|
|
|
for (int i = 0; i < std::min(aParts.size(), bParts.size()); ++i) {
|
|
int aInt = aParts[i].toInt();
|
|
int bInt = bParts[i].toInt();
|
|
|
|
if (aInt > bInt) {
|
|
return true;
|
|
} else if (aInt < bInt) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return aParts.size() > bParts.size();
|
|
}
|
|
|
|
void ModelList::parseModelsJsonFile(const QByteArray &jsonData)
|
|
{
|
|
QJsonParseError err;
|
|
QJsonDocument document = QJsonDocument::fromJson(jsonData, &err);
|
|
if (err.error != QJsonParseError::NoError) {
|
|
qWarning() << "ERROR: Couldn't parse: " << jsonData << err.errorString();
|
|
return;
|
|
}
|
|
|
|
QJsonArray jsonArray = document.array();
|
|
const QString currentVersion = QCoreApplication::applicationVersion();
|
|
|
|
for (const QJsonValue &value : jsonArray) {
|
|
QJsonObject obj = value.toObject();
|
|
|
|
QString modelName = obj["name"].toString();
|
|
QString modelFilename = obj["filename"].toString();
|
|
QString modelFilesize = obj["filesize"].toString();
|
|
QString requiresVersion = obj["requires"].toString();
|
|
QString deprecatedVersion = obj["deprecated"].toString();
|
|
QString url = obj["url"].toString();
|
|
QByteArray modelMd5sum = obj["md5sum"].toString().toLatin1().constData();
|
|
bool isDefault = obj.contains("isDefault") && obj["isDefault"] == QString("true");
|
|
bool disableGUI = obj.contains("disableGUI") && obj["disableGUI"] == QString("true");
|
|
QString description = obj["description"].toString();
|
|
QString order = obj["order"].toString();
|
|
int ramrequired = obj["ramrequired"].toString().toInt();
|
|
QString parameters = obj["parameters"].toString();
|
|
QString quant = obj["quant"].toString();
|
|
QString type = obj["type"].toString();
|
|
|
|
// If the currentVersion version is strictly less than required version, then continue
|
|
if (!requiresVersion.isEmpty()
|
|
&& requiresVersion != currentVersion
|
|
&& compareVersions(requiresVersion, currentVersion)) {
|
|
continue;
|
|
}
|
|
|
|
// If the current version is strictly greater than the deprecated version, then continue
|
|
if (!deprecatedVersion.isEmpty()
|
|
&& compareVersions(currentVersion, deprecatedVersion)) {
|
|
continue;
|
|
}
|
|
|
|
modelFilesize = ModelList::toFileSize(modelFilesize.toULongLong());
|
|
|
|
if (!contains(modelFilename))
|
|
addModel(modelFilename);
|
|
|
|
if (!modelName.isEmpty())
|
|
updateData(modelFilename, ModelList::NameRole, modelName);
|
|
updateData(modelFilename, ModelList::FilesizeRole, modelFilesize);
|
|
updateData(modelFilename, ModelList::Md5sumRole, modelMd5sum);
|
|
updateData(modelFilename, ModelList::DefaultRole, isDefault);
|
|
updateData(modelFilename, ModelList::DescriptionRole, description);
|
|
updateData(modelFilename, ModelList::RequiresVersionRole, requiresVersion);
|
|
updateData(modelFilename, ModelList::DeprecatedVersionRole, deprecatedVersion);
|
|
updateData(modelFilename, ModelList::UrlRole, url);
|
|
updateData(modelFilename, ModelList::DisableGUIRole, disableGUI);
|
|
updateData(modelFilename, ModelList::OrderRole, order);
|
|
updateData(modelFilename, ModelList::RamrequiredRole, ramrequired);
|
|
updateData(modelFilename, ModelList::ParametersRole, parameters);
|
|
updateData(modelFilename, ModelList::QuantRole, quant);
|
|
updateData(modelFilename, ModelList::TypeRole, type);
|
|
}
|
|
|
|
const QString chatGPTDesc = tr("<ul><li>Requires personal OpenAI API key.</li><li>WARNING: Will send"
|
|
" your chats to OpenAI!</li><li>Your API key will be stored on disk</li><li>Will only be used"
|
|
" to communicate with OpenAI</li><li>You can apply for an API key"
|
|
" <a href=\"https://platform.openai.com/account/api-keys\">here.</a></li>");
|
|
|
|
{
|
|
const QString modelFilename = "chatgpt-gpt-3.5-turbo.txt";
|
|
if (!contains(modelFilename))
|
|
addModel(modelFilename);
|
|
updateData(modelFilename, ModelList::NameRole, "ChatGPT-3.5 Turbo");
|
|
updateData(modelFilename, ModelList::FilesizeRole, "minimal");
|
|
updateData(modelFilename, ModelList::ChatGPTRole, true);
|
|
updateData(modelFilename, ModelList::DescriptionRole,
|
|
tr("<strong>OpenAI's ChatGPT model GPT-3.5 Turbo</strong><br>") + chatGPTDesc);
|
|
updateData(modelFilename, ModelList::RequiresVersionRole, "2.4.2");
|
|
updateData(modelFilename, ModelList::OrderRole, "ca");
|
|
updateData(modelFilename, ModelList::RamrequiredRole, 0);
|
|
updateData(modelFilename, ModelList::ParametersRole, "?");
|
|
updateData(modelFilename, ModelList::QuantRole, "NA");
|
|
updateData(modelFilename, ModelList::TypeRole, "GPT");
|
|
}
|
|
|
|
{
|
|
const QString modelFilename = "chatgpt-gpt-4.txt";
|
|
if (!contains(modelFilename))
|
|
addModel(modelFilename);
|
|
updateData(modelFilename, ModelList::NameRole, "ChatGPT-4");
|
|
updateData(modelFilename, ModelList::FilesizeRole, "minimal");
|
|
updateData(modelFilename, ModelList::ChatGPTRole, true);
|
|
updateData(modelFilename, ModelList::DescriptionRole,
|
|
tr("<strong>OpenAI's ChatGPT model GPT-4</strong><br>") + chatGPTDesc);
|
|
updateData(modelFilename, ModelList::RequiresVersionRole, "2.4.2");
|
|
updateData(modelFilename, ModelList::OrderRole, "cb");
|
|
updateData(modelFilename, ModelList::RamrequiredRole, 0);
|
|
updateData(modelFilename, ModelList::ParametersRole, "?");
|
|
updateData(modelFilename, ModelList::QuantRole, "NA");
|
|
updateData(modelFilename, ModelList::TypeRole, "GPT");
|
|
}
|
|
|
|
if (installedModels()->count()) {
|
|
const QString firstModel =
|
|
installedModels()->firstFilename();
|
|
QSettings settings;
|
|
settings.sync();
|
|
settings.setValue("defaultModel", firstModel);
|
|
settings.sync();
|
|
}
|
|
}
|