from dials.util.options import OptionParser parser = OptionParser(usage="usage: %prog [options] input_file(s)") parser.add_option("-v", "--verbose", action="store_true", dest="verbose", default=False, help="enable verbose output") parser.add_option("-f", "--force", action="store_true", dest="force", default=False, help="force conversion") (options, args) = parser.parse_args() if options.verbose: print "Verbose output enabled" if options.force: print "Force conversion enabled" for input_file in args: print "Converting %s" % input_fileThis code defines a command line parser that can accept two options -v and -f, as well as one or more input files. The parsed options and arguments are stored in the 'options' and 'args' variables respectively. The 'verbose' and 'force' options are defined as boolean flags that can be turned on or off using the command line options. The 'help' option is also included by default, which displays Usage on the output. The code checks for the verbose and force options, and prints a message if they are enabled. It then loops through each input file and prints a message indicating it is being processed. Package Library: The package library for dials.util.options is DIALS - A software package for the analysis and integration of X-ray diffraction data from macromolecular crystals.