Use nova2dl.py script instead of DownloadManager

Closes #5026

src/base/searchengine.cpp

@@ -266,6 +266,21 @@ void SearchEngine::cancelSearch()
     }
 }
 
+void SearchEngine::downloadTorrent(const QString &siteUrl, const QString &url)
+{
+    QProcess *downloadProcess = new QProcess(this);
+    downloadProcess->setEnvironment(QProcess::systemEnvironment());
+    connect(downloadProcess, SIGNAL(finished(int)), this, SLOT(torrentFileDownloadFinished(int)));
+    m_downloaders << downloadProcess;
+    QStringList params {
+        Utils::Fs::toNativePath(engineLocation() + "/nova2dl.py"),
+        siteUrl,
+        url
+    };
+    // Launch search
+    downloadProcess->start(Utils::Misc::pythonExecutable(), params, QIODevice::ReadOnly);
+}
+
 void SearchEngine::startSearch(const QString &pattern, const QString &category, const QStringList &usedPlugins)
 {
     // Search process already running or
@@ -357,6 +372,21 @@ void SearchEngine::pluginDownloadFailed(const QString &url, const QString &reaso
         emit pluginInstallationFailed(pluginName, tr("Failed to download the plugin file. %1").arg(reason));
 }
 
+void SearchEngine::torrentFileDownloadFinished(int exitcode)
+{
+    QProcess *downloadProcess = static_cast<QProcess*>(sender());
+    if (exitcode == 0) {
+        QString line = QString::fromUtf8(downloadProcess->readAllStandardOutput()).trimmed();
+        QStringList parts = line.split(' ');
+        if (parts.size() == 2)
+            emit torrentFileDownloaded(parts[0]);
+    }
+
+    qDebug() << "Deleting downloadProcess";
+    m_downloaders.removeOne(downloadProcess);
+    downloadProcess->deleteLater();
+}
+
 // Update nova.py search plugin if necessary
 void SearchEngine::updateNova()
 {
@@ -383,6 +413,12 @@ void SearchEngine::updateNova()
         QFile::copy(":/" + novaFolder + "/nova2.py", filePath);
     }
 
+    filePath = searchDir.absoluteFilePath("nova2dl.py");
+    if (getPluginVersion(":/" + novaFolder + "/nova2dl.py") > getPluginVersion(filePath)) {
+        removePythonScriptIfExists(filePath);
+        QFile::copy(":/" + novaFolder + "/nova2dl.py", filePath);
+    }
+
     filePath = searchDir.absoluteFilePath("fix_encoding.py");
     QFile::copy(":/" + novaFolder + "/fix_encoding.py", filePath);
 

src/base/searchengine.h

@@ -84,6 +84,8 @@ public:
     void startSearch(const QString &pattern, const QString &category, const QStringList &usedPlugins);
     void cancelSearch();
 
+    void downloadTorrent(const QString &siteUrl, const QString &url);
+
     static qreal getPluginVersion(QString filePath);
     static QString categoryFullName(const QString &categoryName);
     static QString pluginsLocation();
@@ -102,6 +104,8 @@ signals:
     void checkForUpdatesFinished(const QHash<QString, qreal> &updateInfo);
     void checkForUpdatesFailed(const QString &reason);
 
+    void torrentFileDownloaded(const QString &path);
+
 private slots:
     void onTimeout();
     void readSearchOutput();
@@ -110,6 +114,7 @@ private slots:
     void versionInfoDownloadFailed(const QString &url, const QString &reason);
     void pluginDownloaded(const QString &url, QString filePath);
     void pluginDownloadFailed(const QString &url, const QString &reason);
+    void torrentFileDownloadFinished(int exitcode);
 
 private:
     void update();
@@ -132,6 +137,7 @@ private:
     bool m_searchStopped;
     QTimer *m_searchTimeout;
     QByteArray m_searchResultLineTruncated;
+    QList<QProcess*> m_downloaders;
 };
 
 #endif // SEARCHENGINE_H

src/gui/search/searchtab.cpp

@@ -132,8 +132,9 @@ SearchTab::~SearchTab()
 void SearchTab::downloadItem(const QModelIndex &index)
 {
     QString torrentUrl = m_proxyModel->data(m_proxyModel->index(index.row(), SearchSortModel::DL_LINK)).toString();
+    QString siteUrl = m_proxyModel->data(m_proxyModel->index(index.row(), SearchSortModel::ENGINE_URL)).toString();
     setRowColor(index.row(), "blue");
-    m_parent->downloadTorrent(torrentUrl);
+    m_parent->downloadTorrent(siteUrl, torrentUrl);
 }
 
 QHeaderView* SearchTab::header() const

src/gui/search/searchwidget.cpp

@@ -116,6 +116,7 @@ SearchWidget::SearchWidget(MainWindow *mainWindow)
     connect(m_searchEngine, SIGNAL(newSearchResults(QList<SearchResult>)), SLOT(appendSearchResults(QList<SearchResult>)));
     connect(m_searchEngine, SIGNAL(searchFinished(bool)), SLOT(searchFinished(bool)));
     connect(m_searchEngine, SIGNAL(searchFailed()), SLOT(searchFailed()));
+    connect(m_searchEngine, SIGNAL(torrentFileDownloaded(QString)), SLOT(addTorrentToSession(QString)));
 
     // Fill in category combobox
     fillCatCombobox();
@@ -161,6 +162,14 @@ SearchWidget::~SearchWidget()
     delete m_searchEngine;
 }
 
+void SearchWidget::downloadTorrent(const QString &siteUrl, const QString &url)
+{
+    if (url.startsWith("bc://bt/", Qt::CaseInsensitive) || url.startsWith("magnet:", Qt::CaseInsensitive))
+        addTorrentToSession(url);
+    else
+        m_searchEngine->downloadTorrent(siteUrl, url);
+}
+
 void SearchWidget::tab_changed(int t)
 {
     //when we switch from a tab that is not empty to another that is empty the download button
@@ -187,6 +196,14 @@ void SearchWidget::selectMultipleBox(const QString &text)
         on_pluginsButton_clicked();
 }
 
+void SearchWidget::addTorrentToSession(const QString &source)
+{
+    if (AddNewTorrentDialog::isEnabled())
+        AddNewTorrentDialog::show(source, this);
+    else
+        BitTorrent::Session::instance()->addTorrent(source);
+}
+
 void SearchWidget::on_pluginsButton_clicked()
 {
     PluginSelectDlg *dlg = new PluginSelectDlg(m_searchEngine, this);
@@ -281,14 +298,6 @@ void SearchWidget::saveResultsColumnsWidth()
     Preferences::instance()->setSearchColsWidth(newWidthList.join(" "));
 }
 
-void SearchWidget::downloadTorrent(QString url)
-{
-    if (AddNewTorrentDialog::isEnabled())
-        AddNewTorrentDialog::show(url, this);
-    else
-        BitTorrent::Session::instance()->addTorrent(url);
-}
-
 void SearchWidget::searchStarted()
 {
     // Update SearchEngine widgets
@@ -391,10 +400,9 @@ void SearchWidget::on_downloadButton_clicked()
     //QModelIndexList selectedIndexes = currentSearchTab->getCurrentTreeView()->selectionModel()->selectedIndexes();
     QModelIndexList selectedIndexes = m_allTabs.at(tabWidget->currentIndex())->getCurrentTreeView()->selectionModel()->selectedIndexes();
     foreach (const QModelIndex &index, selectedIndexes) {
-        if (index.column() == SearchSortModel::NAME) {
+        if (index.column() == SearchSortModel::NAME)
             m_allTabs.at(tabWidget->currentIndex())->downloadItem(index);
     }
-    }
 }
 
 void SearchWidget::on_goToDescBtn_clicked()

src/gui/search/searchwidget.h

@@ -52,7 +52,7 @@ public:
     explicit SearchWidget(MainWindow *mainWindow);
     ~SearchWidget();
 
-    void downloadTorrent(QString url);
+    void downloadTorrent(const QString &siteUrl, const QString &url);
     void giveFocusToSearchInput();
 
     QTabWidget* searchTabs() const;
@@ -73,6 +73,8 @@ private slots:
     void searchFailed();
     void selectMultipleBox(const QString &text);
 
+    void addTorrentToSession(const QString &source);
+
     void saveResultsColumnsWidth();
     void fillCatCombobox();
     void fillPluginComboBox();
@@ -86,7 +88,7 @@ private:
     SearchEngine *m_searchEngine;
     QPointer<SearchTab> m_currentSearchTab; // Selected tab
     QPointer<SearchTab> m_activeSearchTab; // Tab with running search
-    QList<QPointer<SearchTab> > m_allTabs; // To store all tabs
+    QList<QPointer<SearchTab>> m_allTabs; // To store all tabs
     MainWindow *m_mainWindow;
     bool m_isNewQueryString;
     bool m_noSearchResults;

src/searchengine.qrc

@@ -1,5 +1,5 @@
-<!DOCTYPE RCC><RCC version="1.0">
+<RCC>
-<qresource>
+    <qresource prefix="/">
         <file>searchengine/nova/fix_encoding.py</file>
         <file>searchengine/nova/helpers.py</file>
         <file>searchengine/nova/nova2.py</file>
@@ -50,5 +50,7 @@
         <file>searchengine/nova3/engines/torrentreactor.py</file>
         <file>searchengine/nova3/engines/torrentz.png</file>
         <file>searchengine/nova3/engines/torrentz.py</file>
-</qresource>
+        <file>searchengine/nova/nova2dl.py</file>
+        <file>searchengine/nova3/nova2dl.py</file>
+    </qresource>
 </RCC>

src/searchengine/nova/nova2dl.py

@@ -0,0 +1,61 @@
+#VERSION: 1.20
+
+# Author:
+#  Christophe DUMEZ (chris@qbittorrent.org)
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in the
+#      documentation and/or other materials provided with the distribution.
+#    * Neither the name of the author nor the names of its contributors may be
+#      used to endorse or promote products derived from this software without
+#      specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+import sys
+import os
+import glob
+from helpers import download_file
+
+supported_engines = dict()
+
+engines = glob.glob(os.path.join(os.path.dirname(__file__), 'engines','*.py'))
+for engine in engines:
+    e = engine.split(os.sep)[-1][:-3]
+    if len(e.strip()) == 0: continue
+    if e.startswith('_'): continue
+    try:
+        exec("from engines.%s import %s"%(e,e))
+        exec("engine_url = %s.url"%e)
+        supported_engines[engine_url] = e
+    except:
+        pass
+
+if __name__ == '__main__':
+    if len(sys.argv) < 3:
+        raise SystemExit('./nova2dl.py engine_url download_parameter')
+    engine_url = sys.argv[1].strip()
+    download_param = sys.argv[2].strip()
+    if engine_url not in list(supported_engines.keys()):
+        raise SystemExit('./nova2dl.py: this engine_url was not recognized')
+    exec("engine = %s()"%supported_engines[engine_url])
+    if hasattr(engine, 'download_torrent'):
+        engine.download_torrent(download_param)
+    else:
+        print(download_file(download_param))
+    sys.exit(0)

src/searchengine/nova3/nova2dl.py

@@ -0,0 +1,61 @@
+#VERSION: 1.20
+
+# Author:
+#  Christophe DUMEZ (chris@qbittorrent.org)
+
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+#    * Redistributions of source code must retain the above copyright notice,
+#      this list of conditions and the following disclaimer.
+#    * Redistributions in binary form must reproduce the above copyright
+#      notice, this list of conditions and the following disclaimer in the
+#      documentation and/or other materials provided with the distribution.
+#    * Neither the name of the author nor the names of its contributors may be
+#      used to endorse or promote products derived from this software without
+#      specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+import sys
+import os
+import glob
+from helpers import download_file
+
+supported_engines = dict()
+
+engines = glob.glob(os.path.join(os.path.dirname(__file__), 'engines','*.py'))
+for engine in engines:
+    e = engine.split(os.sep)[-1][:-3]
+    if len(e.strip()) == 0: continue
+    if e.startswith('_'): continue
+    try:
+        exec("from engines.%s import %s"%(e,e))
+        exec("engine_url = %s.url"%e)
+        supported_engines[engine_url] = e
+    except:
+        pass
+
+if __name__ == '__main__':
+    if len(sys.argv) < 3:
+        raise SystemExit('./nova2dl.py engine_url download_parameter')
+    engine_url = sys.argv[1].strip()
+    download_param = sys.argv[2].strip()
+    if engine_url not in list(supported_engines.keys()):
+        raise SystemExit('./nova2dl.py: this engine_url was not recognized')
+    exec("engine = %s()"%supported_engines[engine_url])
+    if hasattr(engine, 'download_torrent'):
+        engine.download_torrent(download_param)
+    else:
+        print(download_file(download_param))
+    sys.exit(0)