Pinterest grabber

#!/usr/bin/python

import urllib2, urllib
import re
import random, os


def bring(category, maxb, stacki):
    try:
        i = 0
        if(os.path.exists(category) == False):
            os.makedirs(category)
        data = urllib2.urlopen("https://www.pinterest.com/search/pins/?q="+str(category)+str(stacki)).read()
        search = re.findall('href="/pin/(.*?)/"', data)
        for pin in search:
            data = urllib2.urlopen("https://www.pinterest.com/pin/"+str(pin)+"/").read()
            check = re.findall('src="(.*?)"', data)
            for c in check:
                if(".jpg" in c and "avatars" not in c and "564x" in c):
                    if(i < int(maxb)):
                        urllib.urlretrieve(c, str(category)+"/"+str(random.random())+".jpg")
                        i += 1
    except:
        pass

category = raw_input("Search >")
max_bring = raw_input("Max >")
stacks = raw_input("Number of stacks >")
bring(category, max_bring, "")
for _ in range(0, int(stacks)):
    bring(category, max_bring, "+"+str(_))