fb.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

import facebook
import requests
import json


my_token = 'tkn'
graph = facebook.GraphAPI(access_token=my_token)
me = graph.get_connections('1005327179519367', 'comments')
f = open('arquivo.txt', 'a')
f.write('[')
while True:
    try:
        json.dump(me, f, indent=4)
        f.write(',')
        me = requests.get(me['paging']['next']).json()  # chama a proxima pagina de comentários
    except KeyError:
        # When there are no more pages (['paging']['next']), break from the
        # loop and end the script.

        f.close
        break
f.write('{}]')