follow_target_followers.py

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

from InstagramAPI import InstagramAPI
from time import sleep
import random
import pdb
import requests

# Get target account's Instagram ID
def getUserId(username):
    try:
        data = requests.get("https://www.instagram.com/" + username + "?__a=1").json()
        target_id = data['user']['id']
        return target_id
    except Exception as e:
        print("The user doesn't seem to exist!\n{}".format(e))
        return nil

# Set target you wish to get follower from
target = "INSERT TARGET INSTAGRAM NAME HERE"
target_id = getUserId(target)

# Login to your account
insta = InstagramAPI("USERNAME", "PASSWORD")
insta.login()

# Get target account's followers
insta.getUserFollowers(target_id)
# insta.getTotalFollowers(target_id)
targets_follower_list = insta.LastJson['users']
for usr in targets_follower_list:
    usr_id = getUserId(usr['username'])
    insta.follow(usr_id)
    sleep(random.randint(13, 26))

# last_id = insta.LastJson['users'][len(insta.LastJson['users'])-1]['username']
# print getUserId(last_id)
# pdb.set_trace()