oldinterpret.py 文件源码

def interpret(source, frame, should_fail=False):
    module = Interpretable(parse(source, 'exec').node)
    #print "got module", module
    if isinstance(frame, types.FrameType):
        frame = py.code.Frame(frame)
    try:
        module.run(frame)
    except Failure:
        e = sys.exc_info()[1]
        return getfailure(e)
    except passthroughex:
        raise
    except:
        traceback.print_exc()
    if should_fail:
        return ("(assertion failed, but when it was re-run for "
                "printing intermediate values, it did not fail.  Suggestions: "
                "compute assert expression before the assert or use --assert=plain)")
    else:
        return None