Re: [Python-markdown-discuss] Limit parser to a subset of the syntax

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

On Tue, May 4, 2010 at 8:08 PM, Tom Ritter <to...@ri...> wrote:
> This isn't the best solution, but I disable images by using this extension:
>
> import markdown
> from markdown import etree
>
> class DisableImagesExtension(markdown.Extension):
>    def extendMarkdown(self, md, md_globals):
>        md.treeprocessors.add('disableImages', DisableImages(md), '_end')
>
> class DisableImages(markdown.treeprocessors.Treeprocessor):
>    def descendRemove(self, element):
>        for i in element:
>            if i.tag == 'img':
>                element.remove(i)
>            else:
>                self.descendRemove(i)
>    def run(self, root):
>        self.descendRemove(root)
>        return root
>

How about this:

    import markdown

    class DisableImagesExtension(markdown.Extension):
        def extendMarkdown(self, md, md_globals):
            del md.inlinePatterns["link"]
            del md.inlinePatterns["image_reference"]

That's it. The image syntax will not never be parsed - which is more
of a markdown type behavior.  Any unrecognized syntax should go
through unaltered. The names of all the patterns and processors can be
found where they are added in the` Markdown.__init__` method of the
`markdown/__init__.py` file.

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Waylan Limberg