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From "Gregory (Grisha) Trubetskoy" <gri...@apache.org>
Subject None to indicate EOS [was Re: [mod_python] Filter chaining bug]
Date Wed, 25 Sep 2002 17:41:15 GMT

Do you mean why I chose to do it this way? I don't know, I'm guessing EOS
is a special value and so is None, and so it was the easiest thing to
indicate an EOS with None...

But if anyone has a suggestion for a more intuitive way of dealing with
EOS, now is the time to suggest it!  :-)


On Wed, 25 Sep 2002, Gary Benson wrote:

> Why the "if line is None"?
>
> > The idea is that a filter needs to watch out for an EOS bucket. A read
> > operation will return None to indicate an EOS (in all other cases it
> > returns an empty string). At this point you must close() the filter.
> > (close() simply appends an EOS)
>


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