问如何定义用pydoc显示的"MODULE DOCS“？

EN

def getdocloc(self, object):
    """Return the location of module docs or None"""

    try:
        file = inspect.getabsfile(object)
    except TypeError:
        file = '(built-in)'

    docloc = os.environ.get("PYTHONDOCS",
                            "http://docs.python.org/library")
    basedir = os.path.join(sys.exec_prefix, "lib",
                           "python"+sys.version[0:3])
    if (isinstance(object, type(os)) and
        (object.__name__ in ('errno', 'exceptions', 'gc', 'imp',
                             'marshal', 'posix', 'signal', 'sys',
                             'thread', 'zipimport') or
         (file.startswith(basedir) and
          not file.startswith(os.path.join(basedir, 'site-packages'))))):
        if docloc.startswith("http://"):
            docloc = "%s/%s" % (docloc.rstrip("/"), object.__name__)
        else:
            docloc = os.path.join(docloc, object.__name__ + ".html")
    else:
        docloc = None
    return docloc

"""
Module documentation.
"""

def bar():
    print "HEllo"