code: def main():
      import getopt
  
      global verbose, recurse, dryrun, makebackup
      try:
          opts, args = getopt.getopt(
              sys.argv[1:],
              "drnvh",
              ["dryrun", "recurse", "nobackup", "verbose", "help"],
          )
      except getopt.error as msg:
          usage(msg)
          return
      for o, a in opts:
          if o in ("-d", "--dryrun"):
              dryrun += 1
          elif o in ("-r", "--recurse"):
              recurse += 1
          elif o in ("-n", "--nobackup"):
              makebackup = False
          elif o in ("-v", "--verbose"):
              verbose += 1
          elif o in ("-h", "--help"):
              usage()
              return
      if not args:
          r = Reindenter(sys.stdin)
          r.run()
          r.write(sys.stdout)
          return
      for arg in args:
          check(arg)
  
file_path: Theano/theano/misc/hooks/reindent.py
imports: from __future__ import absolute_import, print_function, division
  import tokenize
  import os, shutil
  import sys
  from six.moves import xrange
label_desc: Use image node_id 3 for calling a global function with example usage: main() without return types