Parallel download image from list of links

parallels.py

from __future__ import print_function
import os
import sys
import Queue
import threading
import urllib
import time 
PARALLEL = True

if not os.path.exists("parallels"):
    os.makedirs("parallels") 

if len(sys.argv) < 2:
    print ('\tAdd path to file containing the link.')
    print ('\tEx: `$ python2 parallels.py hanoi.links`')
    exit()
if os.path.isfile(sys.argv[1]):
    f = open(sys.argv[1])
    print ("\tProcessing file "+sys.argv[1])
else:
    print ("\tFile not found error!")
    exit()

theurls = []
for line in f:
    line = line.replace("\n", "")
    theurls.append(line)
f.close()
print ('\t',len(theurls), "links")
print ()

#####################################

def get_url(q, url, index):
    filename = url.split('/')[-1]
    try:
        q.put(urllib.urlretrieve(url,"parallels/"+str(index)+". "+filename))
    except Exception as e:
        pass
        

#####################################

if PARALLEL:
    q = Queue.Queue()
    index = 0
    for u in theurls:
        index += 1
        t = threading.Thread(target=get_url, args = (q,u, index))
        t.daemon = False
        t.start()
    try:
        s = q.get()
    except Exception as e:
        pass
else:
    for index, url in enumerate(theurls):
        filename = url.split('/')[-1]
        try:
            urllib.urlretrieve(url,"parallels/"+str(index)+". "+filename)
        except Exception as e:
            pass