[Zope3-Users] Re: How to register a local adapter?

[andy chen]

hi,
I think you goes wrong way,All you have done is just like Christophe said:

"create an IMyFolder interface, implemented by MyFolder
as a subclass of Folder (nothing more), then to register an index.html for
IMyFolder."

and maybe "containerViews" zcml directive will help you.

however,if you stand on your way,try this:

from zope.security.checker import CheckerPublic, Checker, defineChecker
@adapter(IDatabaseOpenedWithRootEvent)def RegisterLocalPage(event):
    # security setting
    required = {}
    for n in ( 'browserDefault', '__call__', 'publishTraverse'):
        required[n] = CheckerPublic
    defineChecker(NewFolderIndex, Checker(required))

    db, conn, root, root_folder = getInformationFromEvent(event)
    for city in root_folder:
       sm = root_folder[city].getSiteManager()
       sm.registerAdapter(NewFolderIndex, [IFolder, IMyLayer], IBrowserPage,
'index.html')
    transaction.commit()    conn.close()

On Jan 6, 2008 10:19 PM, nixon <nxnth at yahoo.com.cn> wrote:

> Thank you, Christophe!
>
> I write code according to your FAQ, but an error occurs.
> My code is:
>
> class NewFolderIndex(BrowserPage):
>  #adapts(IFolder, IMyLayer)
>
>  #__call__ = ViewPageTemplateFile('skin/test.pt')
>  def __call__(self):
>   self.request.response.setHeader('Content-Type', 'text/plain')
>   return self.context.name
>
> @adapter(IDatabaseOpenedWithRootEvent)
> def RegisterLocalPage(event):
>     db, conn, root, root_folder = getInformationFromEvent(event)
>     for city in root_folder:
>         sm = root_folder[city].getSiteManager()
>         sm.registerAdapter(NewFolderIndex, [IFolder, IMyLayer], IBrowserPage, 'index.html')
>     transaction.commit()
>     conn.close()
>
> Zope starts up without any issue. But when I access the 'index.html', an error occurs:
>
> Traceback (most recent call last):
>   File "D:\wp\Python24\Lib\site-packages\zope\publisher\publish.py", line 130, i
> n publish
>     obj =
>  request.traverse(obj)
>   File "D:\wp\Python24\Lib\site-packages\zope\publisher\browser.py", line 527, i
> n traverse
>     ob, add_steps = publication.getDefaultTraversal(self, ob)
>   File "D:\wp\Python24\Lib\site-packages\zope\app\publication\browser.py", line
> 66, in getDefaultTraversal
>     return ob.browserDefault(request)
> ForbiddenAttribute: ('browserDefault', <mailnice.reglocalpage.NewFolderIndex obj
> ect at 0x027F8BF0>)
>
> I dont know why. It seems the inherited BrowserPage.browserDefault is available.
>
> Thank you!
> R Nixon
>
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-- 
cheers
best regards
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