linux download tool with firefox addon:cliwget

gistfile1.py

#!/usr/bin/env python
# encoding=utf-8

import sys
import os
import datetime

SHEBANG = "#!/bin/bash\n\n"

def get_cmd(editor, initial=""):
    from subprocess import call
    from tempfile import NamedTemporaryFile
    # Create the initial temporary file.
    with NamedTemporaryFile(delete=False) as tf:
        tfName = tf.name
        tf.write(initial)
    # Fire up the editor.
    if call([editor, tfName], shell=False) != 0:
        return None 
        # Editor died or was killed.
        # Get the modified content.
    fd = open(tfName)
    res = fd.read()
    fd.close()
    os.remove(tfName)
    return res

def main():
    #cmd = raw_input('enter download cmd:\n')
    cmd  = get_cmd(editor='vim', initial="")
    if len(sys.argv) > 1 and sys.argv[1] == 's':
        #keep the download infomation.
        t = datetime.datetime.now()
        filename = "swget_%02d%02d%02d%02d%02d" %\
                (t.month, t.day, t.hour, t.minute, t.second)
        with open(filename, 'w') as f:
            f.write(SHEBANG)
            f.write(cmd)
            f.close()
            os.chmod(filename, 0777)
    os.system(cmd)

main()

# usage install the addon at: https://addons.mozilla.org/en-US/firefox/addon/cliget/?src=userprofile
# when you have something to download, click the download button first, then copy the wget command lines from cliwget
# then run this script with the optional argument 's', copy the command to the editor, then save and quit. it will 
# begin to download. if you have use the argument 's', then this script will create another executable script, you 
# can use that script to resume you interrupt download.( if server support)