old_contents: import Image
  import os
  import re
  
  #Tokeniser function
  digits = re.compile(r'(\d+)')
  def tokenize(filename):
      return tuple(int(token) if match else token
                   for token, match in
                   ((fragment, digits.search(fragment))
                    for fragment in digits.split(filename)))
  
  
  root = ''
  directory = root + ''
  extension = '.jpg'
  frontfirst = True
  reqrot = 90
  # A new directory to put merged images into
  resdir = directory + '/new/'
  #Create directory if not there
  if not os.path.exists(resdir):
      os.makedirs(resdir)
  
  #Sort the file list
  files = [file for file in os.listdir(directory) if file.lower().endswith(extension)]
  files.sort(key=tokenize)
  #Create the arrays
  if frontfirst:
      cardfronts = files[::2]
      cardbacks = files[1::2]
  else:
      cardfronts = files[1::2]
      cardbacks = files[::2]
  
  #Loop through both arrays
  for f, b in zip(cardfronts, cardbacks):
      print(f, b)
      imf = Image.open(os.path.join(directory, f))
      imb = Image.open(os.path.join(directory, b))
      #rotate the images
      imf = imf.rotate(reqrot)
      imb = imb.rotate(reqrot)
      
      maxwd = max(imf.size[0],(imb.size[0]))
      sumht = imf.size[1] + imb.size[1]
      imnew = Image.new('RGB', (maxwd,sumht), 'black')
      #Paste them back together
      imnew.paste(imf, (0,0))
      imnew.paste(imb, (0,imf.size[1]))
      
      var1, var2 = f.split(".")
      var3, var4 = b.split(".")
      
      imnew.save(resdir + var1 + '_' + var3 + '_fb' + extension)
  
new_contents: import Image
  import os
  import re
  
  #Tokeniser function
  digits = re.compile(r'(\d+)')
  def tokenize(filename):
      return tuple(int(token) if match else token
                   for token, match in
                   ((fragment, digits.search(fragment))
                    for fragment in digits.split(filename)))
  
  
  root = ''
  directory = root + ''
  extension = '.jpg'
  #Are the folders arranged with front image as odd numbers?
  frontfirst = True
  #Rotation required 
  reqrot = 90
  # A new directory to put merged images into
  resdir = directory + '/new/'
  #Create directory if not there
  if not os.path.exists(resdir):
      os.makedirs(resdir)
  
  #Sort the file list
  files = [file for file in os.listdir(directory) if file.lower().endswith(extension)]
  files.sort(key=tokenize)
  #Create the arrays
  if frontfirst:
      cardfronts = files[::2]
      cardbacks = files[1::2]
  else:
      cardfronts = files[1::2]
      cardbacks = files[::2]
  
  #Loop through both arrays
  for f, b in zip(cardfronts, cardbacks):
      imf = Image.open(os.path.join(directory, f))
      imb = Image.open(os.path.join(directory, b))
      #rotate the images
      imf = imf.rotate(reqrot)
      imb = imb.rotate(reqrot)
      
      #Work out maximum width
      maxwd = max(imf.size[0],(imb.size[0]))
      #Add heights together
      sumht = imf.size[1] + imb.size[1]
      #Create new image
      imnew = Image.new('RGB', (maxwd,sumht), 'black')
      #Paste them back together
      imnew.paste(imf, (0,0))
      imnew.paste(imb, (0,imf.size[1]))
      #Split file names up
      var1, var2 = f.split(".")
      var3, var4 = b.split(".")
      #Save new image
      imnew.save(resdir + var1 + '_' + var3 + '_fb' + extension)
  
subject: Update imageStitch.py