gets common followers stats for twitter accounts

.gitignore

*.pyc
.idea/*

twinsects.py

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

import sys, itertools
from collections import defaultdict

import tweepy

def wannabe_venn(data, r=0):
    r = r if r else len(data.keys())
    for v in itertools.combinations(data.keys(), r):
        vsets = [data[x] for x in v]
        yield tuple(sorted(v)), reduce(lambda x, y: x.intersection(y), vsets),

if len(sys.argv) < 3:
    sys.exit('Pass at least two @accounts seperated by space')

data = defaultdict(set)
for account in sys.argv[1:]:
    print '+ getting %s\'s followers count' % account
    try:
        data[account] = set(tweepy.API().followers_ids(account))
        print '+ "%s" has %d followers' % (account, len(data[account]))
    except tweepy.error.TweepError:
        sys.exit('- Failed to get %s followers count. Typo in account name maybe?'%account)

for r in range(2, len(data.keys()) + 1):
    for accounts, common in wannabe_venn(data, r):
        uniq = len(set(itertools.chain.from_iterable([(data[acc]) for acc in accounts])))
        ratio = float(len(common)) / uniq * 100
        print '= %s have %d common followers out of %d, which is approx %f%%' %\
              (' AND '.join(accounts), len(common), uniq, ratio)

starenka@kosmik1:/data/prac/python/twinsects$ ./twinsects.py starenka benabraham fczbkk kvbik

• getting starenka's followers count
• "starenka" has 701 followers
• getting benabraham's followers count
• "benabraham" has 287 followers
• getting fczbkk's followers count
• "fczbkk" has 536 followers
• getting kvbik's followers count
• "kvbik" has 205 followers
  = kvbik AND starenka have 33 common followers out of 873, which is approx 3.780069%
  = fczbkk AND starenka have 112 common followers out of 1125, which is approx 9.955556%
  = benabraham AND starenka have 60 common followers out of 928, which is approx 6.465517%
  = fczbkk AND kvbik have 51 common followers out of 690, which is approx 7.391304%
  = benabraham AND kvbik have 41 common followers out of 451, which is approx 9.090909%
  = benabraham AND fczbkk have 91 common followers out of 732, which is approx 12.431694%
  = fczbkk AND kvbik AND starenka have 19 common followers out of 1265, which is approx 1.501976%
  = benabraham AND kvbik AND starenka have 13 common followers out of 1072, which is approx 1.212687%
  = benabraham AND fczbkk AND starenka have 31 common followers out of 1292, which is approx 2.399381%
  = benabraham AND fczbkk AND kvbik have 28 common followers out of 873, which is approx 3.207331%
  = benabraham AND fczbkk AND kvbik AND starenka have 11 common followers out of 1421, which is approx 0.774103%