code: def _find_live_code_dirs(self):
          
          live_dirs = []
          for mod in sys.modules.values():
              #  Get the directory containing that module.
              #  This is deliberately casting a wide net.
              try:
                  dirnm = os.path.dirname(mod.__file__)
              except AttributeError:
                  continue
              #  Normalize it for comparison purposes.
              dirnm = os.path.realpath(os.path.abspath(dirnm))
              if not dirnm.endswith(os.sep):
                  dirnm += os.sep
              #  Check that it's not an egg or some other wierdness
              if not os.path.isdir(dirnm):
                  continue
              #  If it's a subdir of one we've already found, ignore it.
              for dirnm2 in live_dirs:
                  if dirnm.startswith(dirnm2):
                      break
              else:
                  #  Remove any ones we've found that are subdirs of it.
                  live_dirs = [dirnm2 for dirnm2 in live_dirs\
                                      if not dirnm2.startswith(dirnm)]
                  live_dirs.append(dirnm)
          return live_dirs
docs: Find all directories in which we might have live python code.
  
          This walks all of the currently-imported modules and adds their
          containing directory to the list of live dirs.  After normalization
          and de-duplication, we get a pretty good approximation of the
          directories on sys.path that are actively in use.