new_contents: """
  Name             : Python Facebook Video Downloader
  Created By       : Agus Makmun (Summon Agus)
  Blog             : bloggersmart.net - python.web.id
  License          : GNU GENERAL PUBLIC LICENSE Version 3, 29 June 2007
  Documentation    : https://github.com/agusmakmun/Some-Examples-of-Simple-Python-Script/
  Powered          : Ubuntu 14.04, Python 2.7 (module wget)
  """
  
  import urllib, re, os, sys
  
  MAPPING = { 
      '%3D': '=',
      '%2F': '/',
      '%3A': ':',
      '%2B': '+',
      '%23': '#',
      '%3F': '?',
      '%26': '&',
  }
  
  def _getUrl_Image(url_video):
      start = urllib.urlopen(url_video)
      baca = start.read()
      baca = baca[baca.find('<a class="z"')+len('<a class="z"'):]
      split = baca.split('src=')
      lokasi = split[1]
      link_saved = lokasi[0:-31]
      return link_saved
  
  def _initalize_url(url):
      origin_url = url
      saved = url.split('//')
      saved = saved[1].split('/')
      if saved[0][0] == 'm':
          return origin_url
      elif saved[3][0:3] == 'vb.':
          join_url = 'https://m.facebook.com/story.php?story_fbid='+saved[4]+'&id='+saved[3][3:]
          return join_url
      else:
          print "[-] Please paste link of video like this:"
          print "    https://www.facebook.com/bloggersmart/videos/vb.1455759931350973/1620030731590558/?type=2&theater"
          print "    OR:"
          print "    https://m.facebook.com/story.php?story_fbid=1620030731590558&id=1455759931350973&_rdr\n[-]"
  
  def replace(match):
      return MAPPING[match.group(0)]
  
  try:
      inp_url_video = raw_input("[+] Please Paste link video from FB: \n -> ")
      saved_initialize = _initalize_url(inp_url_video)
      url_video = _getUrl_Image(saved_initialize)
      replace_url_video = saved_initialize.replace("www", "m")
      url_video = _getUrl_Image(replace_url_video)
      dapat_link = re.sub('%[A-Z0-9]{2}', replace, url_video)
      if dapat_link[9:17] == 'fbstatic':
          print "[-] Upss sorry... you can't download this video because premission from facebook"
          print "[-] Please play before download in m.facebook.com/id_video"
          sys.exit()
      else:
          pass
      print "[+] Your Links download of video:\n--------------------------\n", dapat_link, "\n--------------------------"
      print "[+] Starting download file..."
      print "[+] Your saved video is: my_video.mp4"
      os.system('wget "'+dapat_link+'" -O my_video.mp4')
      print os.listdir('.')
      sys.exit()
  except IOError:
      print "[-] Lost Connection"
  
subject: Create fb_downloader.py