[Erp5-dev] Deleting a list of objects in a container

[Stefane Fermigier]

Guillaume Michon wrote:
> Hi all,
> 
> 
> The following code does not work as expected :
> 
> for o in container.contentValues():
>    container._delObject(o.getId())
> 
> The reason is that python does not calculate the expression 
> "container.contentValues()" only one time, but at each passage through the 
> for. So modifying content of container changes the result of the expression. 
> Then the behavior is undeterminable.
> 
> The secured way to do is to build a list of ids to delete, then delete them :
> 
> to_delete = []
> for o in container.contentValues():
>    to_delete.append(o.getId())
>    container.deleteContent(to_delete)

You mean probably:

to_delete = []
for o in container.contentValues():
     to_delete.append(o.getId())
container.deleteContent(to_delete)

But I think this would be simpler:

container.deleteContent(container.contentIds())

	S.

-- 
Stéfane Fermigier, Tel: +33 (0)6 63 04 12 77 (mobile).
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