[Zope] Streaming Response
Danny W. Adair
danny@adair.net
Mon, 07 Apr 2003 09:52:25 +1200
Hi,
I would like to show status messages while calling a couple of functions
from within a Python Script: While the script is running, I want to
successively output messages like
------------------------
Doing this...ok
Doing that...ok
Done
------------------------
and then either redirect or display a button to move on.
1. I do _not_ want to use JavaScript
2. I do _not_ want to use the meta tag "refresh"
I would like to use Response.write() to push my status messages on the fly.
Since I don't know which function calls will succeed and which will fail, I
do not know "Content-Length" in advance. Therefore, I would like to use a
streaming/chunked response as specified in HTTP 1.1.
How do I do this in Zope?
I tried to do "response.setHeader('Content-Type',
'multipart/x-mixed-replace')" but couldn't get it working. (Also, it looks
as if this will only work in Netscape but not IE. True?)
I also tried to leave the header alone and just "Response.write()" the
multipart content-type and its boundary and the content-type's of the
parts, but ZPublisher just returned the plain text...
I guess the answer lies somewhere in "Transfer-Encoding: chunked" but I
can't figure out how to actually do it. :-)
Maybe one of you guys working on HTTPResponse (Fred, Chris, Brian, Toby,
Andreas) knows how to accomplish this?
Thank you very much for your help,
Danny
P.S.: Please include my address in your reply ("Reply All") since I am
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