jcea at jcea
Sep 2, 2008, 11:20 AM
Post #1 of 1
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Also bsddb (was: Re: Further PEP 8 compliance issues in threading and multiprocessing)
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Jean-Paul Calderone wrote:
> Here's a complaint. It's surprising that you can't use Event et al with
> isinstance. This is something I'm sure a lot of people run into (I did,
> many years ago) when they start to use these APIs. Once you do figure
> out why it doesn't work, it's not clear how to do what you want, since
> _Event is private.
I have similar issues with bsddb. Here, there are Factory functions like
"DBEnv" or "DB", creating "DBEnv" and "DB" class instances. Note the
name aliasing.
I don't understand why these functions exist. It causes a few problems,
like being unable to subclass the bsddb classes, for example.
For future bsddb4.6.4 (Late october, I think) I plan to remove the
Factory functions, exporting the classes directly, and allowing
subclassing. The code should be 100% compatible.
Any opinion?
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