#!/usr/bin/python3
#
# followerdump.py
#
# Dumps the list of your Twitter followers to stdout in the format
#
#   username <tab> displayname <tab> UID
#
# Copyright © 2017–2019 by martin f. krafft <madduck@madduck.net>
# Released under the Artistic Licence 2.0
#

from authdata import *

import twython
import itertools
import time
import sys

twitter = twython.Twython(app_key=consumer_key,
        app_secret=consumer_secret,
        oauth_token=access_token,
        oauth_token_secret=access_secret)

def grouper(iterable, n, fillvalue=None):
    "Collect data into fixed-length chunks or blocks"
    args = [iter(iterable)] * n
    return itertools.zip_longest(fillvalue=fillvalue, *args)

i=0
followers = twitter.cursor(twitter.get_followers_ids,
        count=5000, stringify_ids=True)

#print('Obtained followers…', file=sys.stderr)

for chunk in grouper(followers, 100):
    chunk = [c for c in chunk if c]
    #print('  fetching user data for chunk of {0:d} users…'.format(len(chunk)),
    #    file=sys.stderr)
    n = 0
    for follower in twitter.lookup_user(user_id=','.join(chunk)):
        #print('    [{0:02d}] @{1:s}'.format(n, follower['screen_name']),
        #        file=sys.stderr)
        n += 1
        print('\t'.join([follower[i] for i in ('screen_name','name','id_str')]))