4chan downloader

import urllib, re, os, sys, time

#- Arg parsing --------------------------------------#
sys.argc = len(sys.argv)

if sys.argc == 2:
  path = ".\\" + str(int(time.mktime(time.gmtime())))
elif sys.argc == 3:
  path = sys.argv[2]
else:
  print "Usage: %s <url> [<path>]" % sys.argv[0]
  exit(0)


#- Fix and check path -------------------------------#
if not path[-1] == "\\":
  if  "\\" in path: path += "\\"

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

#- Main program -------------------------------------#
s = urllib.urlopen("http://4chan.org/b/").read()
ptrn = "/([a-z]{1,3})/src/([0-9]+\.[gif|jpg|png]+)"

results = re.findall(ptrn, s)

for result in results:
  board = result[0]
  img = result[1]
  url = "http://images.4chan.org/%s/src/%s" % (board, img)

  try:
    urllib.urlretrieve(url, path + img)
    print "Succesfully downloaded \"%s\" to path: \"%s\"" % (url, path + img)
  except:
    print "Failed downloading \"%s\" to path: \"%s\"" % (url, path + img)