In response to this thread, I've assigned myself a bug this week to migrate
my group's apps, which currently use 0.7, up to 0.9.
I can't find a wiki entry on the Trac page covering how to do this--are
there any resources for this transition? I know I'll have to change the
behavior of all my ForeignKeys, but is there anything else I should keep a
lookout for as I migrate?
Molly
On 8/19/07, Oleg Broytmann < [EMAIL PROTECTED]> wrote:
>
> On Sat, Aug 18, 2007 at 11:30:11AM -0300, Humberto Diogenes wrote:
> > I use it.
>
> Sooner or later I will abandon it. I have asked the question to
> determine how soon to abandon it. But certainly I am not going to maintain
> it forever.
>
> > Just discovered that 0.8 doesn't work very well with ZPT (Zope
> > Page Templates). Everytime there's a tal:repeat="x expr" ZPT calls
> > "if not expr", which in turn calls __nonzero__ and since 0.8 that
> > raises an exception.
>
> It was added to SQLObject to prevent people writing
>
> if MyTable.select():
>
> and force them to use either
>
> if list(MyTable.select()):
>
> or
>
> if MyTable.select ().count():
>
> That shows ZPT has a misdesign here. What should SQLObject return in
> __nonzero__() in this case? SQLObject doesn't know in advance if there is
> a row in the result set.
>
> Please write to a ZPT mailing list pointing them to an example of an
> iterable object that cannot be typecasted to boolean.
>
> Oleg.
> --
> Oleg Broytmann http://phd.pp.ru/ [EMAIL PROTECTED]
> Programmers don't die, they just GOSUB without RETURN.
>
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