[mod_python] mod_python / memcahced for on-the-fly renderingoflatex in html

Graham Dumpleton wrote ..
> Jay wrote ..
> > 
> > Hi,
> > 
> > I've spent a lot of time in the past embedding latex into HTML pages.
> > All of the solutions I've come across fall short in one way or 
> > another.
> > 
> > I've spent the last few days knocking together a little mod_python
> > app that utilizes memcached to do as-needed rendering of latex
> > embedded in HTML.
> > 
> > If anyone is interested, feel free to take a look and send comments.
> > 
> > http://www.meangrape.com/htmlatex
> 
> BTW, change:
> 
> 	<Location /your/directory>
> 		PythonPath ['/var/www/python/htmlatex']+sys.path
> 		PythonDebug Off
> 		PythonOutputFilter htmlatex HTMLATEX
> 		AddOutputFilter HTMLATEX .htmlx
> 	</Location>
> 
> 
> to:
> 
> 	<Location /your/directory>
> 		PythonPath ['/var/www/python/htmlatex']+sys.path
> 		PythonDebug Off
> 		PythonOutputFilter htmlatex HTMLATEX
> 		AddOutputFilter HTMLATEX;CONTENT_LENGTH .htmlx
> 	</Location>
> 
> and you will get correct amended content length header added back in.
> 
> This works because you buffer up data and write it in one go. Thus the
> CONTENT_LENGTH output filter is able to recalculate content length
> for you.
> 
> You could also have added it yourself by going:
> 
>     if s is None:
>         temp_doc = ''.join(temp_doc)
>         data = main(temp_doc)
>         filter.req.set_content_length(len(data))
>         filter.write(data)
>         filter.close()	

Hmmm, writing the content length yourself may not work as the following
article suggests.

  http://www.debianhelp.co.uk/apachead.htm

Given that the naming of stuff in that example is much like your code, I
would hazard to guess though you may have used it as a guide to doing
your own.

Using the "CONTENT_LENGTH" output filter should work though.

Graham