On 2011-07-01 15:03, Bozo Dragojevic wrote:
Are there any other ways?
(c) create a marker class for the first argument to find
>>> class ReferenceLoad(tuple):
... __slots__ = ()
...
>>>
>>> class MyStorm(object):
... pass
...
>>> a=ReferenceLoad((MyStorm,))
>>> a
(<class '__main__.MyStorm'>,)
>>> a[0]
<class '__main__.MyStorm'>
>>> isinstance(a,ReferenceLoad)
True
Getting around to this at last! Thanks for the suggestion. There's one
part in it that I don't understand: the "a[0]". How does that work?
Are you suggesting to derive a class (from the Storm-backed class plus
the marker) on the fly every time a dereference calls find? It's a
clever trick but I'm a bit worried that it may upset Storm. I recently
ran into some problems with a class derived from a Storm-backed class.
That was relatively straightforward inheritance, but it caused problems
with Storm's property lookup.
Jeroen
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