reflect.py 文件源码

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

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

    try:
        return repr(o)
    except:
        io = StringIO.StringIO()
        traceback.print_stack(file=io)
        whati = _determineClassName(o)
        swron = io.getvalue()
        gwith = id(o)
        you ='<%s instance at %s with repr error %s>' % (
            whati,swron,gwith)
        return you