Re: [Zope] Getting an object from it's id
on 1/23/01 1:39 PM, Max Møller Rasmussen at [EMAIL PROTECTED] wrote: Thanks. That's great; but you do need to know the objects immediate container right? I have one situation where the container could be one of many. Geoff > From: Geoff Armstrong [mailto:[EMAIL PROTECTED]] > >> In DTML there doesn't seem to be a way of saying, "I have this string with >> the name of an object, now fetch me the object." > > Shure there is: > > > > As far as I remember. > > regards Max M > > A snippet I use somewhere: > > > > > ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Getting an object from it's id
on 1/23/01 1:20 PM, Ivan Cornell at [EMAIL PROTECTED] wrote: Hi Ivan, Thanks. The "_.getitem(myId)" works well. I've made a note of the "hasattr" trick as well for future reference. Geoff > Geoff Armstrong wrote: > >> What I'm trying to do here is avoid using > put the object in the namespace it has to iterate over all of them (there >> could be any number). >> >> All I have at the beginning is the name of the object in the REQUEST part of >> the namespace as picked up from a form. My method is the action to that >> form. >> >> In DTML there doesn't seem to be a way of saying, "I have this string with >> the name of an object, now fetch me the object." >> > > Hi Geoff, > > Try using _.getitem(), as in: > > ... ... > > or probably: > > > If you aren't sure of the existance of the object, wrap the above in: > > > > Ivan > > > ___ > Zope maillist - [EMAIL PROTECTED] > http://lists.zope.org/mailman/listinfo/zope > ** No cross posts or HTML encoding! ** > (Related lists - > http://lists.zope.org/mailman/listinfo/zope-announce > http://lists.zope.org/mailman/listinfo/zope-dev ) ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
Re: [Zope] Getting an object from it's id
on 1/23/01 1:12 PM, Erik Enge at [EMAIL PROTECTED] wrote:
Thanks; but being new to this could you help me a bit more by providing an
example of how to use 'getOb' within [[EMAIL PROTECTED]]
>
> | Is there a Zope API method that will allow me to get an object from
> | it's id, or can I write a simple Python method to do it, or am I
> | missing something even more obvious?
>
> Well, sometimes objectItems or objectValues can be the right ones to
> use. Other times, (in Python Products at least) you use _getOb() to
> fetch the object for you.
>
> Let's say you have this object structure:
>
> /Folder1
> /Folder2
>
> If you (in Python code) have Folder1 in the namespace, as self for
> example, you can say object=self._getOb('Folder2'), and vòila. :)
> Don't know how you would do that in DTML, though.
>
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Re: [Zope] Getting an object from it's id
on 1/23/01 12:34 PM, Oleg Broytmann at [EMAIL PROTECTED] wrote: > On Tue, 23 Jan 2001, Gale wrote: >> >> What I'm trying to do here is avoid using > You don't need to "get" the object, as the object is already on top of > the namespace stack (dtml-in put the object there on every iteration). Just > use the object's attributes (id, after all, is just yet another attribute). > > Oleg. > > Oleg Broytmann http://www.zope.org/Members/phd/ [EMAIL PROTECTED] > Programmers don't die, they just GOSUB without RETURN. ___ Zope maillist - [EMAIL PROTECTED] http://lists.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://lists.zope.org/mailman/listinfo/zope-announce http://lists.zope.org/mailman/listinfo/zope-dev )
