old_contents: 
  
  import sys, os, time
  
  from util import checkToSkip
  from optparse import OptionParser
  
  def printMessage(message_type, trace, message):
      print ('%s %s [%s] %s' % (time.strftime('%d/%m/%Y %H:%M:%S'), message_type, trace, message))
  
          
  def process(options, collection):
      rootpath = options.rootpath
      overwrite = options.overwrite
  
      imagepathFilename = os.path.join(rootpath, collection, "id.imagepath.txt")
      if not os.path.exists(imagepathFilename):
          print ('%s does not exist' % imagepathFilename)
          return 0
  
      
      try:
          os.makedirs(os.path.split(resultFilename)[0])
      except:
          pass
        
      done = 0
      
      for line in open(imagepathFilename):
          if not line.strip():
              continue
          name,fullpath = str.split(line.strip())
          resultfile = fullpath.replace('ImageData', 'ImageData256x256')
          if checkToSkip(resultfile, overwrite):
              continue
          try:
              os.makedirs(os.path.split(resultfile)[0])
          except:
              pass
              
          # The '>' flag is to only apply the resize to images 'greater than' the size given  
          cmd = "convert %s -resize '256>x256>' %s" % (fullpath, resultfile)        
          os.system(cmd)
          done += 1
          if done % 100 == 0:
              printMessage("info", "image_rescale", "%d done" % done)
      # done
      printMessage("info", "image_rescale", "%d done" % done)  
      return done 
  
  
  def main(argv=None):
      if argv is None:
          argv = sys.argv[1:]
  
      parser = OptionParser(usage="""usage: %prog [options] collection""")
      parser.add_option("--overwrite", default=0, type="int", help="overwrite existing file (default=0)")
      parser.add_option("--rootpath", default='./', type="string", help="rootpath")
  
      (options, args) = parser.parse_args(argv)
      if len(args) < 1:
          parser.print_help()
          return 1
  
      return process(options, args[0])
  
  if __name__ == "__main__":
      sys.exit(main())
  
      
      
new_contents: 
  
  import sys, os, time
  
  from util import checkToSkip
  from optparse import OptionParser
  
  DEFAULT_NEW_SIZE = 256
  
  def printMessage(message_type, trace, message):
      print ('%s %s [%s] %s' % (time.strftime('%d/%m/%Y %H:%M:%S'), message_type, trace, message))
  
          
  def process(options, collection):
      rootpath = options.rootpath
      overwrite = options.overwrite
      newsize = options.newsize
  
      imagepathFilename = os.path.join(rootpath, collection, "id.imagepath.txt")
      if not os.path.exists(imagepathFilename):
          print ('%s does not exist' % imagepathFilename)
          return 0
  
      
      try:
          os.makedirs(os.path.split(resultFilename)[0])
      except:
          pass
        
      done = 0
      
      for line in open(imagepathFilename):
          if not line.strip():
              continue
          name,fullpath = str.split(line.strip())
          resultfile = fullpath.replace('ImageData', 'ImageData%dx%d'%(newsize,newsize))
          if checkToSkip(resultfile, overwrite):
              continue
          try:
              os.makedirs(os.path.split(resultfile)[0])
          except:
              pass
              
          # The '>' flag is to only apply the resize to images 'greater than' the size given  
          cmd = "convert %s -resize '%d>x%d>' %s" % (fullpath, newsize, newsize, resultfile)        
          os.system(cmd)
          done += 1
          if done % 100 == 0:
              printMessage("info", "image_rescale", "%d done" % done)
      # done
      printMessage("info", "image_rescale", "%d done" % done)  
      return done 
  
  
  def main(argv=None):
      if argv is None:
          argv = sys.argv[1:]
  
      parser = OptionParser(usage="""usage: %prog [options] collection""")
      parser.add_option("--overwrite", default=0, type="int", help="overwrite existing file (default=0)")
      parser.add_option("--rootpath", default='./', type="string", help="rootpath")
      parser.add_option("--newsize", default=DEFAULT_NEW_SIZE, type="int", help="newsize (default: %s)" % DEFAULT_NEW_SIZE)
      
  
      (options, args) = parser.parse_args(argv)
      if len(args) < 1:
          parser.print_help()
          return 1
  
      return process(options, args[0])
  
  if __name__ == "__main__":
      sys.exit(main())
  
      
      
subject: add option: --newsize