It's just magic, and I hate it ...

Andrew Dalke dalke at
Tue Jun 22 21:19:29 EDT 1999

Mitchell Morris <mmorris at> asked:
> Are you [Charles G Waldman] saying that this worked for you? Or
> was this a guess?

I'm going to guess that that was a guess because I was
guessing the same thing... I guess.

What you described is a classic indication of buffered output.
There are three places I can think of where your output could
be buffered:
  1) in python
 stdout can be buffered, unbuffered, or line buffered, depending
on the situation, eg, if output is a tty or a pipe.  That's why
you would want to start python with -u since running from the
command line is running from a tty while the program talks to
the web server using a pipe.  To be on the safe side, try calling

  2) in the web server.  From the Apache FAQ
 that's likely not the case because versions 1.3 and later don't
do an intermediate buffer, but you didn't say what web server
you are using nor the version number.  That documentation may
describe what to do.

  3) in the client.  I don't recall if you have to give a
special header to specify that the data should be read and parsed
straight up.  I've never done this so I don't know what to do

						dalke at

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