Hi Alessandro, Thanks a lot. Besides the bug of TG, it's my fault. This morning I have updated TG2 to the latest version, but when I tried the web again, Paster was serving with the old version. I try it again against the new version and it's ok now.
Best regards, León Domingo *ender* *LA FACTORÍA DE SOFTWARE* Av. Cerro del Águila 7, 2ª planta - S23 28703 S.S. de los Reyes Madrid tlf. y fax: 902 01 44 01 *www.ender.es* On 11 July 2011 14:58, Alessandro Molina <[email protected]>wrote: > Hi Leòn, > I'm responding also on the ML so that it keeps track of the answer > which might be helpful to other people. > > The error you are facing is due to a bug in TG2.1 which wrongly > registered the helpers resulting in always empty helpers. > You have two solutions to this problem: > > 1) Upgrade to TG2.1.1 which resolves this issue, pay attention that it > is possible that you have multiple versions of TG installed (if you > used easy_install instead of pip) and you are still running on the old > one. Always upgrade with -U if you use easy_install. Or start with a > fresh virtual environment. > > 2) Add this patch http://blog.axant.it/archives/348 to your > application to solve the issue. You have to do this only with TG2.1, > not 2.0 or 2.1.1, so you have to check if tg.version is 2.1 and only > in that case you have to perform the monkeypatch. > > On Mon, Jul 11, 2011 at 11:38 AM, León Domingo <[email protected]> > wrote: > > Hi Alessandro, > > Is there anything to be aware of when using this technique? I'm > > getting a weird thing. One instalation (at my home) works fine and > > another (at my job) fails. In the second one, it seems that h. is > > empty when I try to access it. > > > > I've included *predicates* and *authorize* in *lib.helpers*: > > > > from repoze.what import predicates, authorize > > > > and then, in the template (jinja2), i use them > > > > {% if h.authorize.has_permission('foo', 'bar') %} > > ... > > {% endif %} > > > > This works ok in one installation. I've updated TG2 in the failing one > > to be sure and it fails in the same way. > > > > Thanks > > > > León > > > > On 9 mayo, 09:02, Alessandro Molina <[email protected]> > > wrote: > >> Import your predicate inside the myapp.lib.helpers module, you will be > able > >> to access it as h.predicate inside all the templates. > >> > >> As predicates raise exceptions I would also create an helper to make > eadier > >> to use it in py:if clauses > >> On May 9, 2011 6:50 AM, "Rodrigo Parra" <[email protected]> wrote: > >> > >> > >> > >> > >> > >> > >> > >> > Hi all, > >> > >> > I want to check for permissions in a template because I want the page > >> > displayed to be slightly different according to them. (For example, a > >> > link being displayed only if the user is a manager). > >> > >> > However, the authorization method for my application is a bit more > >> > complex than repoze.what standard one, so I had to define new > >> > predicate checkers in order to implement it. > >> > >> > I defined my own predicate checkers at myproject.lib.mypredchecks.py > >> > (just an example). I had no trouble importing that to my controllers, > >> > but I don't know how to use them on Genshi templates. > >> > >> > I found this old thread about a similar issue, but the thread is about > >> > repoze.what built-in predicate checkers: > >> > >> https://groups.google.com/group/turbogears/browse_thread/thread/ce6fc. > .. > >> > >> > Is there a way to do what I need, preferably without passing other > >> > object through the controller? > >> > >> > Thanks in advance. > >> > >> > -- > >> > You received this message because you are subscribed to the Google > Groups > >> "TurboGears" group. > >> > To post to this group, send email to [email protected]. > >> > To unsubscribe from this group, send email to > >> > >> [email protected].> For more options, visit this > group at > >> > >> http://groups.google.com/group/turbogears?hl=en. > >> > >> > >> > >> > >> > >> > >> > >> > > > -- You received this message because you are subscribed to the Google Groups "TurboGears" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/turbogears?hl=en.
