On Saturday, September 2, 2017 at 1:35:38 AM UTC-7, Patrick Schaaf wrote:
>
> Hi trac devs,
>
> quick question: what's the best way for a plugin to store some state
> with per-request lifetime? Ideally for whatever trac version that's
> running? :-)
>
> concretely, I just noticed the IncludePages macro from trac-hacks, on
> my 0.11 install (yes, I know, ancient), going into a neverending CPU
> burning loop when used on a page X and including page X itself..... so
> I want to put some recursion protection (a dict of pages walked during
> the current request) into the code. This has to go into the " def
> expand_macro(self, formatter, name, txt):" and work with state
> available there.
>
> So, is there such a best way to do it?
>
You could just add an attribute to the request object.
req = formatter.req
if not hasattr(req, 'pages_walked'):
req.pages_walked = {}
- Ryan
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