Updating contents page in Word using python

Python Docx cannot cope with contents pages (at least at the time of writing) and from the research I have done it sound like this is something that is probably not going to happen any time soon. Luckily when searching the internet, I came across a solution (full credit to the answer posted on stack-overflow which I am struggling to re-find). The easiest, and currently only, solution that I have found is to create a word document with a contents page (and all other styles you want included) as your template.

You then open your template and populate it using python-docx and save it. You can then refresh the contents table using the following code: 

The code: