pyconkr_ticket_raffle.py

#!/usr/bin/env python3
import json
import requests
import numpy.random

# https://developers.facebook.com/tools/explorer
# I've used v2.3 and you need `read_stream` permission to use this script.
from local_setting import FB_ACCESS_TOKEN

POST_ID = '10206524181161780' # Use your one. This is mine XD
REQ_URL = 'https://graph.facebook.com/v2.3/{}/sharedposts?access_token={}'.format(POST_ID, FB_ACCESS_TOKEN)

resp = json.loads(requests.get(REQ_URL).text)
shared_list = [e.get('from')['name'] for e in resp['data'] if 'from' in e]
winners = numpy.random.choice(shared_list, 2, replace=False)
print(winners)