Re: [Jython-dev] "raise" instance difference

[<bc...@wo...>]

[Robert W. Bill]

>Hi all,
>
>I recently ran into another subtle differenct between CPython and
>Jython that I was curious about.  It concerns the "raise"
>statement, and it's behavior when the first expression is an
>instance object.
>
>2.1a1 documentation says, "If the first expression is an instance object,
>the second expression must be None."
>
>In CPython example we see:
>
>>>> import exceptions   
>>>> excpt = exceptions.TypeError()
>>>> raise excpt, "Something not None"
>Traceback (most recent call last):
>  File "<stdin>", line 1, in ?
>TypeError: instance exception may not have a separate value
>
>
>Currently in Jython we see:
>
>>>> import exceptions
>>>> excpt = exceptions.TypeError()
>>>> raise excpt, "Something not None"
>Traceback (innermost last):
>  File "<console>", line 1, in ?
>: Something not None
>
>
>I was thinking that raising the TypeError is worthwile here.  What
>do others think?

I agree.

>If this is a good idea, here's unified diff  (cvs diff below-
>which one is preferred anyway?)

I personnaly prefer unified (-u) diffs. Context (-c) diff are also fine.
A bare diff is mostly useless.

Watch your mailer's linelength when including patches inside the mail.

>======================================================
>
>--- .\Py.java	Sat Apr  7 16:17:42 2001
>+++ c:\windows\desktop\Py.java	Sat Apr  7 16:10:44 2001

Applied. Thanks.

regards,
finn