old_contents: from sys import version_info
  from os.path import exists
  
  from scopus.utils.constants import DEFAULT_PATHS
  from scopus.utils.startup import config, CONFIG_FILE
  
  py3 = version_info >= (3, 0)
  
  
  def create_config():
      """Initiates process to generate configuration file."""
      file_exists = exists(CONFIG_FILE)
      if not file_exists:
          # Set directories
          config.add_section('Directories')
          for key, value in DEFAULT_PATHS.items():
              config.set('Directories', key, value)
          # Set authentication
          config.add_section('Authentication')
          prompt_key = "Please enter your API Key, obtained from "\
                       "http://dev.elsevier.com/myapikey.html: \n"
          if py3:
              key = input(prompt_key)
          else:
              key = raw_input(prompt_key)
          config.set('Authentication', 'APIKey', key)
          prompt_token = "API Keys are sufficient for most users.  If you "\
                         "have to use Authtoken authentication, please enter "\
                         "the token, otherwise press Enter: \n"
          if py3:
              token = input(prompt_token)
          else:
              token = raw_input(prompt_token)
          if len(token) > 0:
              config.set('Authentication', 'InstToken', token)
          # Write out
          with open(CONFIG_FILE, 'w') as f:
              config.write(f)
      else:
          text = "Configuration file already exists at {}; process to create "\
                 "the file aborted.  Please open the file and edit the "\
                 "entries manually.".format(CONFIG_FILE)
          raise FileExistsError(text)
  
new_contents: from sys import version_info
  from os import makedirs
  from os.path import exists, expanduser
  
  from scopus.utils.constants import DEFAULT_PATHS
  from scopus.utils.startup import config, CONFIG_FILE
  
  py3 = version_info >= (3, 0)
  
  
  def create_config():
      """Initiates process to generate configuration file."""
      file_exists = exists(CONFIG_FILE)
      if not file_exists:
          # Set directories
          config.add_section('Directories')
          for key, value in DEFAULT_PATHS.items():
              config.set('Directories', key, value)
          # Set authentication
          config.add_section('Authentication')
          prompt_key = "Please enter your API Key, obtained from "\
                       "http://dev.elsevier.com/myapikey.html: \n"
          if py3:
              key = input(prompt_key)
          else:
              key = raw_input(prompt_key)
          config.set('Authentication', 'APIKey', key)
          prompt_token = "API Keys are sufficient for most users.  If you "\
                         "have to use Authtoken authentication, please enter "\
                         "the token, otherwise press Enter: \n"
          if py3:
              token = input(prompt_token)
          else:
              token = raw_input(prompt_token)
          if len(token) > 0:
              config.set('Authentication', 'InstToken', token)
          # Write out
          try:
              makedirs(expanduser('~/.scopus/'))
          except FileExistsError:
              pass
          with open(CONFIG_FILE, 'w') as f:
              config.write(f)
          print("Configuration file successfully created at {}".format(fname))
      else:
          text = "Configuration file already exists at {}; process to create "\
                 "the file aborted.  Please open the file and edit the "\
                 "entries manually.".format(CONFIG_FILE)
          raise FileExistsError(text)
  
subject: Create hidden folder if necessary