[Zope-dev] Storing references in objects accross requests - bad or OK?

[Dario Lopez-Kästen]

hello,
I am am worrying a problem here, where I need to store references to 
objects in my own objects, while at the same time needing to store and 
retreive my objects later.

Here is an example of what I need to do:
in a product BooTool for Zope I have:
----
class Foo:
  def __init__(self, data, ref_a):
    self.data = data
    self.a_handle = ref_a
    self.stuff = []
  def bar(self):
    # do something with self.stuff
    cool = self.a_handle('one')
    self.stuff.append(cool)
    return self.stuff
def getStuff(data, ref_a):
  """ his method is available to Zope from the tool boo_tool """
  return Foo(data, ref_a)
----
in a python script I have a pythonscript:
----
my_ob = context.boo_tool.getStuff('123', container.my_script)
return my_ob
----
so my_ob contains a reference to the my_script Pythonscript/ZSQL Method.
What happens if I store my_ob in a session storage for instance and 
later retrieve it and do my_ob.bar() ?

What bad things can happen?
Thanks for any input.
/dario
--
-- -------------------------------------------------------------------
Dario Lopez-K�sten, IT Systems & Services Chalmers University of Tech.
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