reflect.py 文件源码

def safe_str(o):
    """safe_str(anything) -> string

    Returns a string representation of an object, or a string containing a
    traceback, if that object's __str__ raised an exception.
    """

    try:
        return str(o)
    except:
        strExc = '\n'.join(traceback.format_exception(*sys.exc_info()))
        clsName = _determineClassName(o)
        obId = id(o)
        return '<%s instance at %s with str error %s>' % (
            clsName, obId, strExc)


##the following were factored out of usage