On Jun 30, 2005, at 2:58 AM, Alberto Trujillo wrote:

Hello: I was trying to follow this example but I'm a bit lost. I can see the form but when I submit the information I receive the next exepction error "global name request is not defined". I don't know why formless has to be autocallable and where I must to defined "request"

Could anybody help me? Here are my files. I need to know what I have to do after submit the information.

If you are just starting with Nevow, I suggest staying away from formless for a while. It is designed for a very specific use case, and has some well-known problems which nobody has taken the time to fix.

year.tac

from twisted.application import internet, service from nevow import appserver import year

application = service.Application("tasks") webserver = internet.TCPServer(8080, appserver.NevowSite (year.Colorful())) webserver.setServiceParent(application)

year.py

from nevow import rend, loaders import formless

class YearChooseable(formless.TypedInterface): def selectYear(self, year=formless.Integer()): pass selectYear = formless.autocallable(selectYear)

class Colorful(rend.Page): __implements__ = YearChooseable, rend.Page.__implements__

def selectYear(self, year): self.test = True return rend.Page.locateChild(self, request, childSegments)

This line is very strange. autocallables don't normally return things, they normally just change object state. self.test = True is correct, but the line below it looks like it comes from an overridden locateChild method, which is totally inappropriate for a formless autocallable. Also, I don't think locateChild has ever taken a request argument; it has always taken a context argument. Remove this line and everything should work fine.

docFactory = loaders.xmlfile("year.html")

year.html

<form action="freeform_post!!selectYear" method="POST"> Type a year: <input type="text" name="year" /> <input type="submit" /> </form>

Donovan