title_body: Programming Sigil for importing annotations
upvoted_answer: The Windows and macOS versions of Sigil are bundled with a Python 3 interpreter. (Linux users will have to manually install a Python 3 interpreter.) For more information on the Sigil Python API, see the Sigil Plugin Framework documentation.
  
  If you have additional questions, you can post them in the official Sigil Plugin Delevopment thread.