[Twisted-web] Re: [PATCH] nevow.static.File directory listing
matt at pollenation.net
Mon Apr 5 02:48:10 MDT 2004
On Mon, 2004-04-05 at 02:03, Lee Harr wrote:
> >Can you explain *why* you have the following code (copied from your
> >original post):
> > from twisted.application import service
> > from twisted.application import internet
> > class ADir(rend.Page):
> > def locateChild(self, request, segments):
> > path = '/'.join(segments)
> > return static.File(path), ()
> > application = service.Application('ADirlist')
> > webservice = internet.TCPServer(
> > 8080,
> > appserver.NevowSite(ADir())
> > )
> > webservice.setServiceParent(application)
> >What is the use case? Why not let static.File handle everything?
> Well... it is certainly possible that I am going about this all wrong.
> I was trying to figure out how to serve images from the nevow server to
> go along with my web pages. This was the first way I figured to do that.
Aha! All becomes clear.
> If there is a better way, I am certainly willing to use it.
Yep, it's much simpler too :)
Although locateChild() is the "official" API for URL traversal,
rend.Page adds some more convenient ways of specifying children. The one
you probably want is so define a child_images attribute on your root
from twisted.application import internet, service
from twisted.web import static
from nevow import appserver
from nevow import rend
from nevow import static
# Mount the 'images' directory at the '/images' URl
child_images = static.File('images')
docFactory = rend.htmlstr(
<img src="/images/TwistedLogoFull.png" />
<p>Blah, blah, blah</p>
application = service.Application('static')
webServer = internet.TCPServer(
*Note* ... static.File will publish individual files or an entire
directory structure. It is up to you how you use it but for 'images',
'stylesheets', 'scripts' etc I tend to find it easier to publish a
directory for each. You could even put the 'images', 'stylesheets' and
'scripts' directories in one 'static' directory and publish the whole
thing with one child_static of something similar.
The other ways rend.Page helps you with this task are best demonstrated
by examples/children.tac in Nevow's svn repository and (I think) the
released source tar ball.
Hope this helps.
Matt Goodall, Pollenation Internet Ltd
e: matt at pollenation.net
Any views expressed are my own and do not necessarily reflect the
views of my employer.
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