#2205: Provide a simple way to evaluate repoze.what predicates
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Reporter: chrisz | Owner: Gustavo
Type: enhancement | Status: assigned
Priority: high | Milestone: 2.0b6
Component: TurboGears | Version: 2.0b1
Severity: major | Resolution:
Keywords: repoze.what predicates permissions |
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Comment (by chrisz):
Replying to [comment:3 Gustavo]:
> Regardless of the decision we make on this, the solution is not going to
be implemented in TG itself. Instead I will implemented it in the repoze
.what-pylons package
Yes, Pylons could also benefit from such a mechanism, so that's a very
good idea.
> Oh, I'm sorry, what I said about Option 4 was actually about Option 3,
and vice versa. I'm getting crazy with so much proposals ;-)
>
> So, by "Option 4 is not forward compatible" I mean that in repoze.what
v2 predicates have been reorganized in different modules because that
"groups/permission-based authorization pattern" won't be ''the'' supported
pattern anymore, but ''yet another'' supported pattern, so predicates
specific to that pattern are now defined in a different module.
Ok, clear now. Though this could be solved by modifying the
`__getattr__()` method so that it checks all available modules for the
passed predicate name (merging all the names together), or alternatively
by passing the module name and then the predicate name as subattribute,
like `access.permissions.has_permission('edit')`.
Btw, we have a similar problem with validators since some of them are now
in the `formencode.national` submodule instead of the main module.
--
Ticket URL: <http://trac.turbogears.org/ticket/2205#comment:4>
TurboGears <http://www.turbogears.org/>
TurboGears front-to-back web development
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