Thanks David, much appreciated.
-----Original Message-----
From: "David Glick-3 [via Plone]"
<[email protected]>
To: Imran Azad <[email protected]>
Sent: 28/07/2011 21:23:20
Subject: Re: IObjectModifiedEvent, object modified or added?
On 7/28/11 12:54 PM, Gilles Lenfant wrote:
> Le 28 juil. 2011 à 16:15, imran.azad a écrit :
>
>> Hi,
>>
>> How can I workout if an object has been 'modified' or whether it's a new
>> object within the IObjectModifiedEvent event? The issue is that
>> IObjectModifiedEvent is trigged even if an object is added. I need the code
>> below to execute only when an object is 'modified:
> You could mark the creation in the request. I know this seems somehow
> overkill but, assuming the IObjectCreatedEvent comes first...
>
> @grok.subscribe(IPerson, IObjectCreatedEvent)
> def markCreationOnly(person, event):
> # Other stuffs ?
> request = person.REQUEST
> request.set('__created_person__', person.getPhysicalPath())
>
>> @grok.subscribe(IPerson, IObjectModifiedEvent)
>>
>> def rename(person, event):
> request = person.REQUEST
> created = request.get('__created_person__', False)
> if created and person.getPhysicalPath() == created:
> # Object created and modified
> return
>
>> id = person.getId()
>> parent = person.aq_parent
>> parent.manage_renameObject(id, baseNormalize(person.title))
>>
>> Thanks
>>
Another possible approach would be to check if the item has a non-None
_p_oid attribute. That should only be set if the object has been
committed to the ZODB. (But test and make sure it works for your
case...there may be other scenarios like if savepoints are used.)
----------
David Glick
Web Developer
[email protected]
206.286.1235x32
Online tools and strategies for the environmental movement.
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