Well to be technically correct it is not the garbage collector but the
reference counting in python (the garbage collector is mainly for cleaning
up unreachable cyclic stuff and is only run once in the so many times,
while destruction after a reference count dropped to zero is done immediate
even when garbage collection is disabled). A demonstration of how it works
even when you disable garbage collection.
import gc
gc.disable()
def generator():
try:
while True:
yield 1
finally:
print 'done'
generator().next()
When executing the above I get:
done
1
Wich means that since the created generator is no longer referenced after
having executed generator().next() it gets destroyed, causing the finally
statement to get executed.
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