def _short_repr(obj):
    if isinstance(obj, (type, types.ModuleType, types.BuiltinMethodType,
                        types.BuiltinFunctionType)):
        return obj.__name__
    if isinstance(obj, types.MethodType):
        try:
            if obj.__self__ is not None:
                return obj.__func__.__name__ + ' (bound)'
            else:
                return obj.__func__.__name__
        except __HOLE__:  # pragma: nocover
            # Python < 2.6 compatibility
            if obj.im_self is not None:
                return obj.im_func.__name__ + ' (bound)'
            else:
                return obj.im_func.__name__

    if isinstance(obj, types.FrameType):
        return '%s:%s' % (obj.f_code.co_filename, obj.f_lineno)
    if isinstance(obj, (tuple, list, dict, set)):
        return '%d items' % len(obj)
    return repr(obj)[:40]
dataset/ETHPy150Open Exa-Networks/exabgp/lib/exabgp/dep/objgraph.py/_short_repr