> it's for wx, the problem isn't making the progress bar itself, it's 
> knowing how long the query is going to run for.
> i'm using pypgsql

It is quite easy:

from timemachine import oracle

guesser=oracle(guess="SQL")
guesser.set_hint(driver="pypgsql")
guesser.set_hint(gui="wx")

expected_runtime=guesser.estimate("<put your query text here>")

Only problem is that the timemachine module is currently only installed 
on Guidos and Tims Python.

Harald
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