[PATCH 1/1] filters: generate anchor links from markdown

[John Keeping]

On Fri, Jul 13, 2018 at 09:48:27PM +0200, Christian Hesse wrote:
> From: Christian Hesse <mail at eworm.de>
> 
> This makes the markdown filter generate anchor links for headings.
> 
> Signed-off-by: Christian Hesse <mail at eworm.de>
> ---
>  filters/html-converters/md2html | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/filters/html-converters/md2html b/filters/html-converters/md2html
> index ebf3856..dc20f42 100755
> --- a/filters/html-converters/md2html
> +++ b/filters/html-converters/md2html
> @@ -3,6 +3,7 @@ import markdown
>  import sys
>  import io
>  from pygments.formatters import HtmlFormatter
> +from markdown.extensions.toc import TocExtension

Does this ship as part of python-markdown, or is it an additional
dependency?

>  sys.stdin = io.TextIOWrapper(sys.stdin.buffer, encoding='utf-8')
>  sys.stdout = io.TextIOWrapper(sys.stdout.buffer, encoding='utf-8')
>  sys.stdout.write('''
> @@ -48,10 +49,14 @@ sys.stdout.write('''
>      line-height: 1;
>      padding-left: 0;
>      margin-left: -22px;
> -    top: 15%}
> +    top: 15%;
> +}
>  .markdown-body h1:hover a.anchor .mini-icon-link, .markdown-body h2:hover a.anchor .mini-icon-link, .markdown-body h3:hover a.anchor .mini-icon-link, .markdown-body h4:hover a.anchor .mini-icon-link, .markdown-body h5:hover a.anchor .mini-icon-link, .markdown-body h6:hover a.anchor .mini-icon-link {
>      display: inline-block;
>  }
> +div#cgit .markdown-body h1 a.toclink, div#cgit .markdown-body h2 a.toclink, div#cgit .markdown-body h3 a.toclink, div#cgit .markdown-body h4 a.toclink, div#cgit .markdown-body h5 a.toclink, div#cgit .markdown-body h6 a.toclink {
> +    color: black;
> +}
>  .markdown-body h1 tt, .markdown-body h1 code, .markdown-body h2 tt, .markdown-body h2 code, .markdown-body h3 tt, .markdown-body h3 code, .markdown-body h4 tt, .markdown-body h4 code, .markdown-body h5 tt, .markdown-body h5 code, .markdown-body h6 tt, .markdown-body h6 code {
>      font-size: inherit;
>  }
> @@ -290,5 +295,13 @@ sys.stdout.write('''
>  sys.stdout.write("<div class='markdown-body'>")
>  sys.stdout.flush()
>  # Note: you may want to run this through bleach for sanitization
> -markdown.markdownFromFile(output_format="html5", extensions=["markdown.extensions.fenced_code", "markdown.extensions.codehilite", "markdown.extensions.tables"], extension_configs={"markdown.extensions.codehilite":{"css_class":"highlight"}})
> +markdown.markdownFromFile(
> +	output_format="html5",
> +	extensions=[
> +		"markdown.extensions.fenced_code",
> +		"markdown.extensions.codehilite",
> +		"markdown.extensions.tables",
> +		TocExtension(anchorlink=True)],
> +	extension_configs={
> +		"markdown.extensions.codehilite":{"css_class":"highlight"}})
>  sys.stdout.write("</div>")
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