def _cleanup_callback(option, opt_str, value, parser):
 result = []
 for choice in value.split(','):
  if (choice in CLEANUP_CHOICES):
   result.append(choice)
  else:
   parser.error(('%s got %s, which is not one of: %s' % (opt_str, choice, ', '.join(CLEANUP_CHOICES))))
  if (('NONE' in result) and (len(set(result)) > 1)):
   parser.error(('%s: Cannot clean up both nothing and something!' % opt_str))
 setattr(parser.values, option.dest, result)

def _cleanup_callback ( option , opt_str , value , parser ) : result = [ ] for choice in value . split ( ',' ) : if ( choice in CLEANUP_CHOICES ) : result . append ( choice ) else : parser . error ( ( '%s got %s, which is not one of: %s' % ( opt_str , choice , ', ' . join ( CLEANUP_CHOICES ) ) ) ) if ( ( 'NONE' in result ) and ( len ( set ( result ) ) > 1 ) ) : parser . error ( ( '%s: Cannot clean up both nothing and something!' % opt_str ) ) setattr ( parser . values , option . dest , result )
callback to parse a comma-separated list of cleanup constants .