On Mon, Jul 14, 2008 at 9:41 AM, JOLINY <[EMAIL PROTECTED]> wrote:
> I am a begener of pylons . now I use it to develope a website.
> when i add a object to database, there is an error occured.
>
> the error is this.
> <type 'exceptions.UnboundLocalError'>: local variable 'wh_chapter_sort'
> referenced before assignment
>
> this is my add object method:
>
> class Ma003Controller(BaseController):
>
> def add(self):
> systemtime=h.getSystemTime()
> userid=session['USER_KEY'].wh_userid
>
> wh_chapter_sort = wh_chapter_sort.WHChapterSort(wh_userid=userid,
> wh_chapter_sortid='001',
>
> wh_chapter_sortname=request.params['chaperSortName'],
> del_flg='0',
> update_time=systemtime,
> login_time=systemtime
> )
> meta.Session.add(wh_chapter_sort)
> meta.Session.commit()
>
> return redirect_to('/ma003')
The problem is that your local variable has the same name as the
global variable you're assigning to it (the module 'wh_chapter_sort').
Change your local variable name to something unique like 'sort'.
When Python compiles a function (or method), it extracts all local
variables into a hidden array, and the bytecode contains subscripts
into that array. As a result, 'wh_chapter_sort' on the right side of
the assignment statement is seen as a local variable which hasn't
been initialized, not as the global variable you were expecting
(presumably a module). Again, just change the local variable name to
something else and the problem will go away.
--
Mike Orr <[EMAIL PROTECTED]>
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