[Zope-Coders] Compiler package leaks fixed: Zope 2.6?

[Guido van Rossum]

> 2.4.x and 2.5.x had the same problem, and people *did* notice, 
> especially if Python happened to be running without cyclic garbage 
> collection.  Every time Zope compiles an expression, it creates dozens 
> (sometimes thousands) of short-lived objects involved in circular 
> references.  And there are a lot of expressions.
> 
> I think the risk is that if there are mistakes in the fix, attempting to 
> compile certain expressions will raise an exception.  But exceptions 
> like that are easy to correct.  The likelihood that the revised code 
> will compile an expression differently from before or segfault is low.

I think a cautious approach would be to hold off.  There *really* is
no reason for people to turn off Python's GC any more; it's on by
default.  Unless you know better, I assume the people who turned off
GC didn't know what they were doing.

--Guido van Rossum (home page: http://www.python.org/~guido/)