Python: use kits page in python wizards

Change-Id: I1f7aaf145443481546abb868c8c167186600b848
Reviewed-by: Christian Stenger <christian.stenger@qt.io>

src/plugins/python/pythoneditor.h

@@ -3,6 +3,7 @@
 
 #pragma once
 
+#include <texteditor/textdocument.h>
 #include <texteditor/texteditor.h>
 
 namespace Python::Internal {
@@ -15,4 +16,17 @@ private:
     QObject m_guard;
 };
 
+class PythonDocument : public TextEditor::TextDocument
+{
+    Q_OBJECT
+public:
+    PythonDocument();
+
+    void updateCurrentPython();
+    void updatePython(const Utils::FilePath &python);
+
+signals:
+    void pythonUpdated(const Utils::FilePath &python);
+};
+
 } // Python::Internal