docstr: Dumps the list of user options.
code: def dump_dirs(self, msg):
      """Dumps the list of user options."""
      if not DEBUG:
          return
      from distutils.fancy_getopt import longopt_xlate
  
      log.debug(msg + ":")
      for opt in self.user_options:
          opt_name = opt[0]
          if opt_name[-1] == "=":
              opt_name = opt_name[0:-1]
          if opt_name in self.negative_opt:
              opt_name = self.negative_opt[opt_name]
              opt_name = opt_name.translate(longopt_xlate)
              val = not getattr(self, opt_name)
          else:
              opt_name = opt_name.translate(longopt_xlate)
              val = getattr(self, opt_name)
          log.debug("  %s: %s", opt_name, val)
  
imports: import sys
  import sysconfig
  import os
  import re
  from distutils import log
  from distutils.core import Command
  from distutils.debug import DEBUG
  from distutils.sysconfig import get_config_vars
  from distutils.errors import DistutilsPlatformError
  from distutils.file_util import write_file
  from distutils.util import convert_path, subst_vars, change_root
  from distutils.util import get_platform
  from distutils.errors import DistutilsOptionError
  from site import USER_BASE
  from site import USER_SITE
label_desc: Use image node_id 3 for calling the install obj's underlying member method code with example usage: obj.dump_dirs(msg) without return types