[Zope] How to test for a user having a permission?

[Hamish Lawson]

Tim Cook wrote:

> <dtml-if
> expr="AUTHENTICATED_USER.has_permission('Edit','PARENTS[0]')">
>   <a href="<dtml-var absolute_url>/manage_main">Edit</a>
> </dtml-if>
  
Thanks. Brian Lloyd also mentioned has_permission() in reply to my post
on the (mis)use of hasRole().

Dieter Maurer wrote: 

> Look in the embedded Online Help system -> API reference -> User

I'd already had a look in the online help, but there's no section for
User (at least in my Zope installation), and the section for
AuthenticatedUser doesn't list has_permission() - perhaps it ought to.
I will concede, though, that I could easily enough have done a grep
through the Zope source for the likely candidates, "def hasPermission"
or "def has_permission" <sheepish grin>.

Hamish Lawson


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