Re: [Python-markdown-discuss] Changing the way extensions are loaded

[Waylan L. <wa...@gm...>]

David,

On Thu, Feb 21, 2008 at 2:33 PM, David Wolever <wo...@cs...> wrote:
> At the moment, a list extension names is passed to Markdown(), and
>  the Markdown class is responsible for loading them.
>  This makes it harder to pragmatically load extensions.

Harder in what way? I guess I'm not seeing the problem your trying to
solve. Before we go and break the api and people have to rewrite all
their extensions (we've had indications in the past that some people
are using extensions they've never made public) I'd like to understand
why, that's all.

>
>  I have written a patch (attached) so that a list of extension modules
>  will be passed to Markdown().

One concern I have it that, unless I missed it, you have completely
removed the `extension_configs` arg. You only allow key=value pairs
separated by commas. The `extension_configs` arg makes it possible to
easily set configs programicly or even pass in complex python data
structures.

Consider the Abbreviation Extension[1]. It accepts a dictionary of
abbreviation definitions through the `extension_configs` arg among
other ways to define abbreviations. One use case for that is that
perhaps a project stores a list of abbreviations in a database or some
other non flat-file format. That project's code could then gather
those definitions into a dict and pass them in. Perhaps each user has
a different list of definitions. Or sometimes the same abbreviation
could have different meanings in different contexts, so the list is
adjusted based upon the category of the document. You get the idea.

I'd like to keep that ability. Although, that is my extension so I'm partial.

[1]: http://achinghead.com/markdown/abbr/

>  When running from the command line, extensions will be loaded as the
>  command line arguments are parsed (through the new load_extension
>  function).
>
>  This will break the Markdown interface, though, so I haven't
>  committed the code.
>
>  What do you think?
>
>  David
>
>
>
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-- 
----
Waylan Limberg
wa...@gm...