[ZODB-Dev] How do you "wake up" sleepy persistent objects?

[Shane Hathaway]

Patrick K. O'Brien wrote:

> When a persistent object is in the ghost state, it appears that the results
> of dir(object) are not the same as when the object is in some other state.
> It also appears that doing dir(object) wakes up the object (albeit, after
> the fact) so that a subsequent dir(object) returns the results that you
> would expect.
> 
> Is my description correct? Is this expected/known behavior? Is this behavior
> documented anywhere? Are there any other "gotchas" I need to be aware of
> related to this? Is there a "correct" way to "wake up" a ghost?
> 
> (With Halloween right around the corner, you'd think I'd have a good joke
> for that last question. Hmmm... How do you wake up a ghost? By pulling off
> his sheet? I don't know. Where are my kids when I need them?)

I usually use hasattr() to wake them up.  Any attribute will do... 
hasattr(object, 'flesh') ;-)

Shane