QodeAssist/providers/OllamaProvider.cpp
2024-08-27 11:58:55 +02:00

152 lines
4.4 KiB
C++

/*
* Copyright (C) 2024 Petr Mironychev
*
* This file is part of QodeAssist.
*
* QodeAssist is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* QodeAssist is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
*/
#include "OllamaProvider.hpp"
#include <QJsonArray>
#include <QJsonDocument>
#include <QJsonObject>
#include <QNetworkReply>
#include <QProcess>
#include "PromptTemplateManager.hpp"
#include "QodeAssistSettings.hpp"
namespace QodeAssist::Providers {
OllamaProvider::OllamaProvider() {}
QString OllamaProvider::name() const
{
return "Ollama";
}
QString OllamaProvider::url() const
{
return "http://localhost";
}
int OllamaProvider::defaultPort() const
{
return 11434;
}
QString OllamaProvider::completionEndpoint() const
{
return "/api/generate";
}
void OllamaProvider::prepareRequest(QJsonObject &request)
{
auto currentTemplate = PromptTemplateManager::instance().getCurrentTemplate();
QJsonObject options;
options["num_predict"] = settings().maxTokens();
options["keep_alive"] = settings().ollamaLivetime();
options["temperature"] = settings().temperature();
options["stop"] = QJsonArray::fromStringList(currentTemplate->stopWords());
if (settings().useTopP())
options["top_p"] = settings().topP();
if (settings().useTopK())
options["top_k"] = settings().topK();
if (settings().useFrequencyPenalty())
options["frequency_penalty"] = settings().frequencyPenalty();
if (settings().usePresencePenalty())
options["presence_penalty"] = settings().presencePenalty();
request["options"] = options;
}
bool OllamaProvider::handleResponse(QNetworkReply *reply, QString &accumulatedResponse)
{
bool isComplete = false;
while (reply->canReadLine()) {
QByteArray line = reply->readLine().trimmed();
if (line.isEmpty()) {
continue;
}
QJsonDocument jsonResponse = QJsonDocument::fromJson(line);
if (jsonResponse.isNull()) {
qWarning() << "Invalid JSON response from Ollama:" << line;
continue;
}
QJsonObject responseObj = jsonResponse.object();
if (responseObj.contains("response")) {
QString completion = responseObj["response"].toString();
accumulatedResponse += completion;
}
if (responseObj["done"].toBool()) {
isComplete = true;
break;
}
}
return isComplete;
}
QList<QString> OllamaProvider::getInstalledModels(const Utils::Environment &env)
{
QProcess process;
process.setEnvironment(env.toStringList());
QString ollamaConsoleName;
#ifdef Q_OS_WIN
ollamaConsoleName = "ollama.exe";
#else
ollamaConsoleName = "ollama";
#endif
auto ollamaPath = env.searchInPath(ollamaConsoleName).toString();
if (!QFileInfo::exists(ollamaPath)) {
qWarning() << "Ollama executable not found at" << ollamaPath;
return {};
}
process.start(ollamaPath, QStringList() << "list");
if (!process.waitForStarted()) {
qWarning() << "Failed to start Ollama process:" << process.errorString();
return {};
}
if (!process.waitForFinished()) {
qWarning() << "Ollama process did not finish:" << process.errorString();
return {};
}
QStringList models;
if (process.exitCode() == 0) {
QString output = QString::fromUtf8(process.readAllStandardOutput());
QStringList lines = output.split('\n', Qt::SkipEmptyParts);
for (int i = 1; i < lines.size(); ++i) {
QString line = lines[i].trimmed();
if (!line.isEmpty()) {
QString modelName = line.split(QRegularExpression("\\s+"), Qt::SkipEmptyParts)
.first();
models.append(modelName);
}
}
} else {
qWarning() << "Error running 'ollama list':" << process.errorString();
}
return models;
}
} // namespace QodeAssist::Providers