preprocess.py 文件源码

def command_line_arguments(command_line_parameters):
  """Parse the program options"""

  # set up command line parser
  parser = argparse.ArgumentParser(description=__doc__, formatter_class=argparse.ArgumentDefaultsHelpFormatter)

  parser.add_argument('-p', '--preprocessor', metavar = 'x', nargs = '+', required = True, help = 'Data preprocessing; registered preprocessors are: %s' % bob.bio.base.resource_keys('preprocessor'))
  parser.add_argument('-i', '--input-file', metavar = 'FILE', required = True, help = "The data file to be preprocessed.")
#  parser.add_argument('-a', '--annotations', nargs='+', help = "Key=value-pairs for the annotations")
  parser.add_argument('-a', '--annotation-file', metavar = 'FILE', help = "The annotation file for the given data file, if applicable and/or available; currently the only supported format is the 'named' annotation format.")
  parser.add_argument('-o', '--output-file', metavar = 'PREPROCESSED', default = 'preprocessed.hdf5', help = "Write the preprocessed data into this file (should be of type HDF5)")
  parser.add_argument('-c', '--convert-as-image', metavar = 'IMAGE', help = "Write the preprocessed data into this image file, converting it to an image, if possible")

  # add verbose option
  bob.core.log.add_command_line_option(parser)

  # parse arguments
  args = parser.parse_args(command_line_parameters)

  # set verbosity level
  bob.core.log.set_verbosity_level(logger, args.verbose)

  return args