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Yuri wrote:
> Hi!
>
> I've a Zope BTree called answers. It contains PersistentMapping objects:
>
> self.answers[userid] = PersistentMapping(value=value,
> comments=comments)
>
> value can be a string, a list or a dictionary
>
> what happen exactly if I do: question.answers[a_userdid] =
> question.answers[another_user_id] ?
>
> From my (poor) tests they seems not to share anything, I mean I can
> modify question.answers[a_userdid] and question.answers[another_user_id]
> is untouched.
>
> Is this true? Should I beware of something?
I can't reproduce your reported behavior::
- --------------------- $< ------------------------------
$ bin/virtualenv-2.6 --no-site-packages /tmp/yuri
...
$ cd /tmp/yuri/
$ bin/easy_install ZODB3
...
$ bin/python
...
>>> from BTrees.OOBTree import OOBTree
>>> from persistent.mapping import PersistentMapping
>>> answers = OOBTree()
>>> john = PersistentMapping(value="John's value",
... comment="John's comment")
>>> answers['john'] = john
>>> answers['fred'] = answers['john']
>>> answers['fred'] is john
True
>>> print john
{'comment': "John's comment", 'value': "John's value"}
>>> answers['fred']['value'] = "Fred's value"
>>> print john
{'comment': "John's comment", 'value': "Fred's value"}
- --------------------- $< ------------------------------
Tres.
- --
===================================================================
Tres Seaver +1 540-429-0999 tsea...@palladion.com
Palladion Software "Excellence by Design" http://palladion.com
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