[Zope] Finding acquired properties in an external method

[Bruce Eckel]

Found the magic acquisition method:
person.aq_acquire('instructor-name')
It's frustrating to feel like I'm stumbling around in the dark,
hoping to find these things.

*********** REPLY SEPARATOR  ***********

On 11/25/01 at 8:55 PM sean.upton@uniontrib.com wrote:

>Hopefully I understand the problem here...  Correct me if I am
wrong.
>
>Part of the problem with acquisition is that if propertyItems()
exists
>within person's namespace it will only render within that, meaning
that
>unless propertyItems() itself harvests properties from other areas
above
>person in the acquisition stack, acquisition won't help here.  
>
>What I have done in the past is create, recursively, flat property
>registries returning dictionaries, with underlying logic using
>getPhysicalPath() and restrictedTraverse(); one method recursively
builds a
>stack of the hierarchy using getPhyicalPath and custom logic to
determine
>where to stop in the hierarchy, turns the stack into a queue, and
then
>returns it; another method then walks that path (as a queue) to
get all
>properties in the path, provided there are no name collisions for
those
>properties, and returns them all as a big dictionary...  I haven't
done
>this
>with properties, but data stored in several ParsedXML docs, but
the same
>idea should apply.  Not entirely graceful (or as magic as
acquisition), but
>it works.
>
>Sean
>
>-----Original Message-----
>From: Bruce Eckel [mailto:Bruce@EckelObjects.com]
>Sent: Sunday, November 25, 2001 8:29 PM
>To: zope@zope.org
>Cc: chrism@digicool.com
>Subject: [Zope] Finding acquired properties in an external method
>
>
>If you say:
>person.propertyItems()
>In an external method, you get ONLY the properties of person, not
>any properties that person "inherits" by acquisition.
>
>How do you access the "inherited" properties? Thanks.
>
>Most current information can be found at:
>http://www.mindview.net/Etc/notes.html
>===================
>Bruce Eckel    http://www.BruceEckel.com
>Contains free electronic books: "Thinking in Java 2e" & "Thinking
>in C++ 2e"
>Please subscribe to my free newsletter -- just send any email to:
>join-eckel-oo-programming@earth.lyris.net
>My schedule can be found at:
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>===================
>
>
>
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Most current information can be found at:
http://www.mindview.net/Etc/notes.html
===================
Bruce Eckel    http://www.BruceEckel.com
Contains free electronic books: "Thinking in Java 2e" & "Thinking
in C++ 2e"
Please subscribe to my free newsletter -- just send any email to:
join-eckel-oo-programming@earth.lyris.net
My schedule can be found at:
http://www.mindview.net/Calendar
===================