old_contents: import atexit
  import os
  import sys
  import tempfile
  import threading
  import urllib
  
  import netifaces
  import qrcode
  
  from PIL import ImageTk
  
  try:
  	from SimpleHTTPServer import SimpleHTTPRequestHandler
  	from SocketServer import TCPServer
  	from Tkinter import Tk, Frame, Label, BitmapImage
  	from urlparse import urljoin
  	from urllib import pathname2url, quote
  except ImportError:
  	from http.server import SimpleHTTPRequestHandler
  	from socketserver import TCPServer
  	from tkinter import Tk, Frame, Label, BitmapImage
  	from urllib.parse import urljoin, quote
  	from urllib.request import pathname2url
  
  if len(sys.argv) < 2:
  	print("Please specify a file/directory.")
  	sys.exit(1)
  
  directory = sys.argv[1]
  
  if not os.path.exists(directory):
  	print(directory + ": No such file or directory.")
  	sys.exit(1)
  
  print("Preparing data...")
  
  baseUrl = netifaces.ifaddresses(netifaces.gateways()['default'][netifaces.AF_INET][1])[2][0]['addr'] + ":8080/"
  qrData = ""
  
  if os.path.isfile(directory):
  	if directory.endswith(('.cia', '.tik')):
  		qrData += baseUrl + quote(os.path.basename(directory))
  
  	directory = os.path.dirname(directory)
  else:
  	for file in [ file for file in next(os.walk(directory))[2] if file.endswith(('.cia', '.tik')) ]:
  		qrData += baseUrl + quote(file) + "\n"
  
  if len(qrData) == 0:
  	print("No files to serve.")
  	sys.exit(1)
  
  if not directory == "":
  	os.chdir(directory)
  
  print("")
  print("URLS:")
  print(qrData)
  print("")
  
  print("Opening HTTP server on port 8080...")
  
  server = TCPServer(("", 8080), SimpleHTTPRequestHandler)
  thread = threading.Thread(target=server.serve_forever)
  thread.start()
  atexit.register(server.shutdown)
  
  print("Generating QR code...")
  
  qrImage = qrcode.make(qrData)
  
  print("Displaying QR code...")
  
  root = Tk()
  root.title("QR Code")
  
  frame = Frame(root)
  frame.pack()
  
  qrBitmap = ImageTk.PhotoImage(qrImage)
  qrLabel = Label(frame, image=qrBitmap)
  qrLabel.pack()
  
  root.mainloop()
  
  print("Shutting down HTTP server...")
  
  server.shutdown()
  
new_contents: import atexit
  import os
  import sys
  import tempfile
  import threading
  import urllib
  
  import netifaces
  import qrcode
  
  from PIL import ImageTk
  
  try:
  	from SimpleHTTPServer import SimpleHTTPRequestHandler
  	from SocketServer import TCPServer
  	from Tkinter import Tk, Frame, Label, BitmapImage
  	from urlparse import urljoin
  	from urllib import pathname2url, quote
  except ImportError:
  	from http.server import SimpleHTTPRequestHandler
  	from socketserver import TCPServer
  	from tkinter import Tk, Frame, Label, BitmapImage
  	from urllib.parse import urljoin, quote
  	from urllib.request import pathname2url
  
  if len(sys.argv) < 2:
  	print("Please specify a file/directory.")
  	sys.exit(1)
  
  directory = sys.argv[1]
  
  if not os.path.exists(directory):
  	print(directory + ": No such file or directory.")
  	sys.exit(1)
  
  print("Preparing data...")
  
  baseUrl = netifaces.ifaddresses(netifaces.gateways()['default'][netifaces.AF_INET][1])[2][0]['addr'] + ":8080/"
  qrData = ""
  
  if os.path.isfile(directory):
  	if directory.endswith(('.cia', '.tik')):
  		qrData += baseUrl + quote(os.path.basename(directory))
  
  	directory = os.path.dirname(directory)
  else:
  	for file in [ file for file in next(os.walk(directory))[2] if file.endswith(('.cia', '.tik')) ]:
  		qrData += baseUrl + quote(file) + "\n"
  
  if len(qrData) == 0:
  	print("No files to serve.")
  	sys.exit(1)
  
  if not directory == "":
  	os.chdir(directory)
  
  print("")
  print("URLS:")
  print(qrData)
  print("")
  
  print("Opening HTTP server on port 8080...")
  
  server = TCPServer(("", 8080), SimpleHTTPRequestHandler)
  thread = threading.Thread(target=server.serve_forever)
  thread.start()
  atexit.register(server.shutdown)
  
  print("Generating QR code...")
  
  qrImage = qrcode.make(qrData, box_size=5)
  
  print("Displaying QR code...")
  
  root = Tk()
  root.title("QR Code")
  
  frame = Frame(root)
  frame.pack()
  
  qrBitmap = ImageTk.PhotoImage(qrImage)
  qrLabel = Label(frame, image=qrBitmap)
  qrLabel.pack()
  
  root.mainloop()
  
  print("Shutting down HTTP server...")
  
  server.shutdown()
  
subject: Reduce QR code box size.