[Twisted-web] Using web2 to run a Cherrpy site

[Joshua Boverhof]

Here is a fix.

It looks like a bug in twisted.web2.twcgi to me.  Cherrypy is  
confused by the  "//".

-josh

 > svn diff
Index: twcgi.py
===================================================================
--- twcgi.py    (revision 19890)
+++ twcgi.py    (working copy)
@@ -51,7 +51,7 @@
      if request.postpath:
          # Should we raise an exception if this contains "/" chars?
-        env["PATH_INFO"] = '/' + '/'.join(request.postpath)
+        env["PATH_INFO"] = '/'.join(request.postpath)
      # MUST always be present, even if no query
      env["QUERY_STRING"] = request.querystring






On Mar 20, 2007, at 8:55 AM, David Konerding wrote:

>
>
>
> Which version of cherrypy are you using?  I did an easy_install
> cherrypy and got 3.0.1 but your code didn't work on it.  wsgiApp is
> somewhere else now or something.
>
>
> OK, I've updated my test example to work with CherryPy 3.0.  This  
> works a bit better,
> in fact, when I visit the root of the site I get my cherrypy  
> application!  Since
> I'm not tied to CherryPy 2.2 (unless TurboGears requires it) this  
> 'fixes' most of my problem.
> I'm still having a problem if I access some URLs under the root,  
> but I have yet to determine if it's going
> to be a problem.
>
> Here's a CherryPy 3.0.1 application that works with Twisted web2  
> using the WSGI app support.
>
> from twisted.internet import reactor
> from twisted.application import service, strports
> from twisted.web2 import server, channel
> from twisted.web2 import log
> from twisted.web2 import wsgi
> from twisted.web2.wsgi import WSGIResource
> import cherrypy
>
> ## Basic cherrypy index object that dumps the WSGI environment
> class Root(object):
>     @cherrypy.expose
>     def index(self):
>         s = []
>         for key in cherrypy.request.wsgi_environ:
>             s.append("%s=%s<br/>" % (key,  
> cherrypy.request.wsgi_environ [key]))
>
>         return "".join(s)
>
> ## Create an instance of the root application and mount it at /
> r = Root()
>
> ## Convert the Root application to a hostable WSGI application
> cpwsgiapp = cherrypy.Application(Root(), '/')
>
> ## Convert the CherryPy WSGI app to a Twisted WSGI resource
> wsgi = wsgi.WSGIResource(cpwsgiapp)
>
> ## Set up the cherrypy environment
> cherrypy.config.update({
>     'server.environment':'production',
>     })
>
> ## Start the cherrypy engine without starting a blocking server
> cherrypy.engine.start(blocking=False)
>
> ## Setup default common access logging
> res = log.LogWrapperResource(wsgi)
> log.DefaultCommonAccessLoggingObserver().start()
>
> # Create twisted web2 site
> site = server.Site(res)
>
> ## Launch the HTTP site at port 8080
>
> ## code path invoked by twistd
> if __name__ == '__builtin__':
>     application = service.Application("demo")
>     s = strports.service('tcp:8080', channel.HTTPFactory(site))
>     s.setServiceParent(application)
>
> ## code path when run directly
> if __name__ == '__main__':
>     from twisted.python import log as pythonlog
>     import sys
>     pythonlog.startLogging(sys.stdout)
>     reactor.listenTCP(8080, channel.HTTPFactory (site))
>     reactor.run()
>
>
>
> _______________________________________________
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> Twisted-web at twistedmatrix.com
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