old_contents: #!/usr/bin/python
  import subprocess
  import os
  import argparse
  
  from . import vectorize_config_parser
  
  if os.name == 'posix':
      try:
          defaultgimp = subprocess.check_output(["which", "gimp"])[:-1]
      except subprocess.CalledProcessError:
          defaultgimp = '/Applications/Gimp.app/Contents/MacOS/gimp-2.8'
  else:
      defaultgimp = '/Applications/Gimp.app/Contents/MacOS/gimp-2.8'
  
  author_information = 'NYPL Labs Map Vectorizer v0.2 by Mauricio Giraldo Arteaga @mgiraldo / @nypl_labs / Thomas Levine (https://thomaslevine.com)'
  
  parser = argparse.ArgumentParser(description = author_information)
  parser.add_argument('inputfile', metavar = '<input file or dir>')
  parser.add_argument('--gimp_path', default = defaultgimp)
  parser.add_argument('--directory', default = ''),
  parser.add_argument('--path', default = ''),
  parser.add_argument('--base_name', default = ''),
  parser.add_argument('--dir_base_name', default = ''),
  parser.add_argument('--chunksize', default = 50000,
                      help = 'how to split the mega polygon file')
  parser.add_argument('--currentchunk', default = 0),
  parser.add_argument('--totalsubsets', default = 0),
  
  # Load the default vectorize_config
  fn = os.path.abspath(os.path.join(__file__, '..', 'vectorize_config_default.txt'))
  def vectorize_config(fn):
      if os.path.isfile(fn):
          with open(fn) as fp:
              vectorize_config = vectorize_config_parser.parse(fp)
          return vectorize_config
      else:
          raise ValueError('%s is not a file.' % fn)
  
  parser.add_argument('--image-processing-configuration-file', '-p',
                      default = vectorize_config(fn), type = vectorize_config,
                      dest = 'vectorize_config')
  
new_contents: #!/usr/bin/python
  import subprocess
  import os
  import argparse
  
  from . import vectorize_config_parser
  
  if os.name == 'posix':
      try:
          defaultgimp = subprocess.check_output(["which", "gimp"])[:-1]
      except subprocess.CalledProcessError:
          defaultgimp = '/Applications/Gimp.app/Contents/MacOS/gimp-2.8'
  else:
      defaultgimp = '/Applications/Gimp.app/Contents/MacOS/gimp-2.8'
  
  author_information = 'NYPL Labs Map Vectorizer v0.2 by Mauricio Giraldo Arteaga @mgiraldo / @nypl_labs / Thomas Levine (https://thomaslevine.com)'
  
  parser = argparse.ArgumentParser(description = author_information)
  parser.add_argument('inputfile', metavar = '<input file or dir>')
  if os.path.isfile(defaultgimp):
      parser.add_argument('--gimp-path', default = defaultgimp)
  else:
      parser.add_argument('--gimp-path', required = True)
  parser.add_argument('--directory', default = ''),
  parser.add_argument('--path', default = ''),
  parser.add_argument('--base_name', default = ''),
  parser.add_argument('--dir_base_name', default = ''),
  parser.add_argument('--chunksize', default = 50000,
                      help = 'how to split the mega polygon file')
  parser.add_argument('--currentchunk', default = 0),
  parser.add_argument('--totalsubsets', default = 0),
  
  # Load the default vectorize_config
  fn = os.path.abspath(os.path.join(__file__, '..', 'vectorize_config_default.txt'))
  def vectorize_config(fn):
      if os.path.isfile(fn):
          with open(fn) as fp:
              vectorize_config = vectorize_config_parser.parse(fp)
          return vectorize_config
      else:
          raise ValueError('%s is not a file.' % fn)
  
  parser.add_argument('--image-processing-configuration-file', '-p',
                      default = vectorize_config(fn), type = vectorize_config,
                      dest = 'vectorize_config')
  
subject: make gimp path required if default is not there