Python: Switch pyls on interpreter change

Change-Id: I458b635986a55003a1e7254e27e2df9667704273
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/python/pythonutils.h

@@ -0,0 +1,43 @@
+/****************************************************************************
+**
+** Copyright (C) 2019 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#include <utils/fileutils.h>
+
+#pragma once
+
+namespace TextEditor { class TextDocument; }
+namespace LanguageClient { class StdIOSettings; }
+
+namespace Python {
+namespace Internal {
+
+QList<const LanguageClient::StdIOSettings *> configuredPythonLanguageServers();
+const LanguageClient::StdIOSettings *languageServerForPython(const Utils::FilePath &python);
+Utils::FilePath detectPython(const Utils::FilePath &NdocumentPath);
+void updateEditorInfoBar(const Utils::FilePath &python, TextEditor::TextDocument *document);
+void resetEditorInfoBar(TextEditor::TextDocument *document);
+
+} // namespace Internal
+} // namespace Python