To return HTML markup you can either return the string wrapped as a
Markup object (genshi.core.Markup) or use the builder API
(genshi.builder.tag). Using the build API is preferable since it is
generally more compact, and helps to ensure valid markup.
--Noah
On Dec 17, 2008, at 11:30 PM, Douglas Clifton wrote:
>
> Okay folks, this one has me stumped.
>
> [[MyMacro(args)]] works just fine. I tested in using a number of
> commands,
> even nested ones. Except where you'd expect it not to, such as
> {{{...}}}.
>
> Until I got to headings. Which pisses me off because those are
> exactly the
> elements it's designed for. Instead of expansion, I get:
>
> [[MyMacro(...)]] -- literally, the three dots instead of the
> arguments as
> I observed in a string verbatim/monospace context. Examples:
>
> * '''''[[MyMacro(args)]]''''' -- works just fine
>
> {{{[[MyMacro(args)]]}}} -- string literal, args are displayed
>
> = [[MyMacro(args)]] = -- borked, looking at the rendered HTML I get:
>
> <h1 id="MyMacro...">[[MyMacro(...)]]</h1>
>
> In general, the macro returns plain text. Sometimes with spaces, less
> often with punctuation characters, never with anything odd like
> unicode
> characters or HTML tags (which shouldn't matter either, other than XSS
> injection risks associated with untrusted data). The data is in fact
> fairly trustworthy, never from say an anonymous visitor or anything
> along those lines.
>
> So I went ahead and attempted to break the heading wiki markup with
> all sorts of things, and it handled them just fine. Stripping or
> entity
> encoding dangerous characters, compressing whitespace in the id value,
> and so on, just like you'd expect from a smart engine.
>
> So the question is, how do I delay the rendering engine from kicking
> in until after my macro returns a string? I've tried all sorts of
> techniques based on existing macros and read through all the docs.
> I realize I could code the macro to *only* return the valid heading
> itself. But I don't want to restrict it to that role alone.
>
> Go easy gurus, I'm fairly new to Trac and this is my first macro so...
>
> Oh, platform: Ubuntu 8.04, Apache 2.2, mod_python, Trac 0.11 under
> the Python (2.5) Trac development environment. Browse the source at:
>
> http://github.com/dwclifton/tracinigetmacro/tree/master/0.11
>
> TIA,
>
> --
> Douglas Clifton
> [email protected]
> http://loadaveragezero.com/drx/rss/recent
> http://loadaveragezero.com/app/wp/
>
> >
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