'Return a suite of tests for all the doctests defined in C{module}.
@param module: A module object or a module name.'

def loadDoctests(self, module):

    if isinstance(module, str):
        try:
            module = reflect.namedAny(module)
        except:
            return ErrorHolder(module, failure.Failure())
    if (not inspect.ismodule(module)):
        warnings.warn('trial    only    supports    doctesting    modules')
        return
    extraArgs = {}
    if (sys.version_info > (2, 4)):
        def saveGlobals(test):
            '\n                                                                Save    C{test.globs}    and    replace    it    with    a    copy    so    that    if\n                                                                necessary,    the    original    will    be    available    for    the    next    test\n                                                                run.\n                                                                '
            test._savedGlobals = getattr(test, '_savedGlobals', test.globs)
            test.globs = test._savedGlobals.copy()
        extraArgs['setUp'] = saveGlobals
    return doctest.DocTestSuite(module, **extraArgs)
