tpnguyen schrieb:
> Hi,
>
> I tried to use the TurboGears 2 TreeView example , but I got the error
> below:
>
> UndefinedError: <pylons.util.ContextObj at 0x268b770
> action=u'routes_placeholder', controller=u'root', controller_url='',
> environ={'routes.route': <routes.route.Route object at
> 0x00EB2550>, ...ate'}, form_errors={}, form_values={}, identity=None,
> pylons=<pylons.util.PylonsContext object at 0x0268B7D0>,
> start_response=<function repl_start_response at 0x02674670>,
> url=u'about'> has no member named "tree"
>
> Looks like tmpl_context has no member named "tree". Am I missing
> anything here? Please shed a light on how to debug this? Thanks much
> in advance.
I don't know pylons that well, but to me, the tmpl_context always
behaved like this: if a key wasn't existant, it returned an empty string
(somebody said PHP here?).
So I'd expect your error to be "AttributeError: string-object has no
attribute display".
That might indicate that you are using the wrong context object here?
Just guessing - I never imported the context from pylons, instead via tg.
from tg import tmpl_context as c
Diez
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