Here are a few frequently asked questions.
There may be more answers in the Natron forum, especially in the All About Natron Python Scripting topic.
Q: How can I get the location of the current Natron executable? :
import sys
print(sys.executable)Q: How can I get all widgets from a modal dialog <PythonReference/NatronGui/PyModalDialog>?
PythonReference/NatronGui/PyModalDialog inherits from Qdialog, which inherits from QObject, which has a QObject::children() method.