for python-webkit2png. create a screenshoot of a website(https://stackoverflow.com/questions/2744191/how-do-i-use-python-webkit2png-to-take-many-screenshots-at-the-same-time)

gistfile1.py

import subprocess
import re
import os
import sys
def scrape_url(value, outpath):
    """
    Requires webkit2png to be on the path
    """
    subprocess.call(["webkit2png", "-x","1200","900","-o", outpath, "-g", "1000", "1260",
                     "-t", "30", value])
def get_valid_filename(s):
    s = str(s).strip().replace(' ', '_')
    return re.sub(r'(?u)[^-\w.]', '', s)

def readfile(path):
    aList=[]
    f = open(path)
    filecontents = f.read().splitlines()
    for line in filecontents:
        aList.append('https://'+line)
    return aList

def scrape_list_urls(list_url_out_name, outdir):
    """
    list_url_out_name is a list of tuples: (url, name)
    where name.png will be the image's name
    """
    for value in list_url_out_name:
        print value
        outpath = outdir +  get_valid_filename(value) + '.png'
        scrape_url(value, outpath)

dict=readfile(sys.argv[1]) #the input file file
scrape_list_urls(dict,sys.argv[2]) #the output directory

Hi, I couldn't use your code. You can explain better?
I spent the last two hours trying to make this code run :p