excepts.py 文件源码

def getPreviousExceptions(limit=0):
    """
    sys.exc_info() returns : type,value,traceback
    traceback.extract_tb(traceback) :  returns (filename, line number, function name, text)
    """
    try:
        exinfo = sys.exc_info()
        if exinfo[0] is not None:
            stack = traceback.format_tb(exinfo[2])
            return str('\n'.join(['Tracebacks (most recent call last):',
                                ''.join(stack[(len(stack)>1 and 1 or 0):]),
                                ': '.join([str(exinfo[0].__name__),str(exinfo[1])])
                                ]))
        else:
            return ''
    except Exception,e:
        print 'Aaaargh!'
        return traceback.format_exc()