markovstodon.py

import json

import html2text
import markovify

with open('outbox.json', 'rb') as f:
    outbox = json.load(f)

corpus = ''

for toot in outbox['orderedItems']:
    if toot['type'] == 'Create':
        corpus += '\n' + html2text.html2text(toot['object']['content'])

model = markovify.Text(corpus)

for i in range(5):
    print(model.make_sentence())

To use

Download your account archive and unzip it. Put markovstodon.py in the directory where you find outbox.json

virtualenv venv --python=`which python3`
source venv/bin/activate
pip install html2text markovify
python markovstodon.py