I've been using "pluggable brains" in some zSQL classes. I have some
a) It seems if I initialize a variable in the __init__ method that
variable, say self.callCount = 1 is not retained across calls, eg
res = context.sql.brainySQL()
for rec in res:
rec.getCallCount() # where getCallCount is a method inside the
Brains class and it just returns the var defined in __init__. But I get
an attribute error instead.
b) Can anyone direct me to a good faq on using these things?
c) Has anyone experience with Pluggable Brains and zSQL? I am
especially interest in performance issues because I intend to use
Pluggable Brains to do *alot* of calculations - but only if the upside
beats the downside of using them.
d) Will Zope 3 support Pluggable Brains?
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