old_contents: """dasem.
  
  Usage:
     dasem most-similar [options] <word>
  
  Options:
    --debug             Debug messages.
    --ie=encoding       Input encoding [default: utf-8]
    --oe=encoding       Output encoding [default: utf-8]
    -o --output=<file>  Output filename, default output to stdout
    -h --help
    --verbose           Verbose messages.
  
  """
  
  
  from __future__ import absolute_import, division, print_function
  
  import errno
  
  import logging
  
  import os
  from os import write
  
  import socket
  
  from six import b, text_type
  
  from .fullmonty import Word2Vec
  
  
  def main():
      """Handle command-line interface."""
      from docopt import docopt
  
      arguments = docopt(__doc__)
  
      logging_level = logging.WARN
      if arguments['--debug']:
          logging_level = logging.DEBUG
      elif arguments['--verbose']:
          logging_level = logging.INFO
  
      logger = logging.getLogger()
      logger.setLevel(logging_level)
      logging_handler = logging.StreamHandler()
      logging_handler.setLevel(logging_level)
      logging_formatter = logging.Formatter(
          '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
      logging_handler.setFormatter(logging_formatter)
      logger.addHandler(logging_handler)
  
      if arguments['--output']:
          output_filename = arguments['--output']
          output_file = os.open(output_filename, os.O_RDWR | os.O_CREAT)
      else:
          # stdout
          output_file = 1
      output_encoding = arguments['--oe']
      input_encoding = arguments['--ie']
  
      if arguments['most-similar']:
          word = arguments['<word>']
          if not isinstance(word, text_type):
              word = word.decode(input_encoding)
          word = word.lower()
          word2vec = Word2Vec()
          words_and_similarity = word2vec.most_similar(word)
          try:
              for word, _ in words_and_similarity:
                  write(output_file, word.encode(output_encoding) + b('\n'))
          except socket.error as err:
              if err.errno != errno.EPIPE:
                  raise
              else:
                  # if piped to the head command
                  pass
  
  
  if __name__ == '__main__':
      main()
  
new_contents: """dasem.
  
  Usage:
     dasem most-similar [options] <word>
  
  Options:
    --debug             Debug messages.
    --ie=encoding       Input encoding [default: utf-8]
    --oe=encoding       Output encoding [default: utf-8]
    -o --output=<file>  Output filename, default output to stdout
    -h --help
    --verbose           Verbose messages.
  
  """
  
  
  from __future__ import absolute_import, division, print_function
  
  import errno
  
  import logging
  
  import os
  from os import write
  
  import socket
  
  from six import b, text_type
  
  from .fullmonty import FastText, Word2Vec
  
  
  def main():
      """Handle command-line interface."""
      from docopt import docopt
  
      arguments = docopt(__doc__)
  
      logging_level = logging.WARN
      if arguments['--debug']:
          logging_level = logging.DEBUG
      elif arguments['--verbose']:
          logging_level = logging.INFO
  
      logger = logging.getLogger()
      logger.setLevel(logging_level)
      logging_handler = logging.StreamHandler()
      logging_handler.setLevel(logging_level)
      logging_formatter = logging.Formatter(
          '%(asctime)s - %(name)s - %(levelname)s - %(message)s')
      logging_handler.setFormatter(logging_formatter)
      logger.addHandler(logging_handler)
  
      if arguments['--output']:
          output_filename = arguments['--output']
          output_file = os.open(output_filename, os.O_RDWR | os.O_CREAT)
      else:
          # stdout
          output_file = 1
      output_encoding = arguments['--oe']
      input_encoding = arguments['--ie']
  
      if arguments['most-similar']:
          word = arguments['<word>']
          if not isinstance(word, text_type):
              word = word.decode(input_encoding)
          word = word.lower()
          word2vec = Word2Vec()
          try:
              words_and_similarity = word2vec.most_similar(word)
          except:
              fast_text = FastText()
              words_and_similarity = fast_text.most_similar(word)
          try:
              for word, _ in words_and_similarity:
                  write(output_file, word.encode(output_encoding) + b('\n'))
          except socket.error as err:
              if err.errno != errno.EPIPE:
                  raise
              else:
                  # if piped to the head command
                  pass
  
  
  if __name__ == '__main__':
      main()
  
subject: Add fasttext as fallback to most-similar