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Aurélien Campéas wrote:
> I'm currently writting a product which is a small extension to
> CPSDocument, and wishes to make its instances accessible/viewable by
> anonymous users.
>
On which class are you adding this and how ? Did you understand the
proxy / repository architecture of CPS ?
Where is located your object (section / workspace) ? Following which
workflow ?
> For this I use a trick used by a collegue :
>
> def set_roles_for_permission(self, permission, role, acquire):
> """
> set roles required for a permission on self
> """
> from AccessControl.Permission import Permission
> for p in self.ac_inherited_permissions(1):
> name, value = p[:2]
> if name == permission:
> p = Permission(name, value, self)
> if acquire:
> roles = list(roles)
> else:
> roles = tuple(roles)
> p.setRoles(roles)
> return
> raise 'Invalid Permission or Roles', \
> ("The permission <em>%s</em> or roles <em>%s</em> are invalid."
> % (permission,roles))
>
> (note that I use this code in the "cargo cult" way since I still lack
> knowledge to assess its strengths/weaknesses)
>
> But this will not work here, for the instances lack the aq_aquire
> attribute needed in the ac_inherited_permissions/_subobject_permissions.
>
> My question would be :
>
> * is my collegue recipe plain wrong ?
well, far too complicated to achieve what you wanna do...
> * does this indicate a bug of some sort ?
nope.
> * is there another simple, straightforward way to programmatically set
> the permissions on an arbitrary Zope object ?
Yes, surely.
Did you take a look at CPS local roles on the interface ?
J.
- --
Julien Anguenot | Nuxeo R&D (Paris, France)
CPS Platform : http://www.cps-project.org
Zope3 / ECM : http://www.z3lab.org
mail: anguenot at nuxeo.com; tel: +33 (0) 6 72 57 57 66
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