Re: Two treatments of same input file

["Gregory D. Weber" <spottedmetal-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>]

This might work better for me since I am much more familiar with Python than
Lua.  I didn't know there was a Pandoc library for Python!  Thanks very much.

On Fri, 2021-12-10 at 07:39 -0800, Sébastien Boisgérault wrote:
> 
> 
> Le jeudi 9 décembre 2021 à 03:52:34 UTC+1, spotte...-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org a écrit :
> > I'm work on creating a set of examples of HTML, JavaScript, and SVG code.
> > Each comes from a single source file, from which I want to produce a
> > web page showing
> > (a) the result of rendering the HTML or SVG or executing the JavaScript;
> > (b) the code itself, viewed as if in a text editor, and (ideally) with
> > syntax highlighting.
> > 
> > The best way I can think of doing this involves making two
> > transformations of the source file, running pandoc on each of them,
> > and the combining the outputs, probably by running pandoc a third time
> > with a custom template.
> > 
> > I'm wondering if there's any better way?
> 
> IMHO, you only need one call to pandoc: if you're ok with Python and with the
> pandoc python library (https://pypi.org/project/pandoc/), you could use the
> following showcase.py script :
> 
> # file: showcase.py
> import sys
> import pandoc
> from pandoc.types import Pandoc, Meta, CodeBlock, RawBlock
> 
> if __name__ == "__main__":
>     filename = sys.argv[1]
>     with open(filename) as html_file:
>         html = html_file.read()
>         html_block = RawBlock("html", html)
>         attr = ("", ["html"], [])
>         code_block = CodeBlock(attr, html)
>         doc = Pandoc(Meta({}), [html_block, code_block])
>         with open("out.html", "bw") as output:
>             pandoc.write(doc, file=output, format="html", options=["
> --standalone"])
> 
> Then, if you call
> 
>     $ python -m showcase.py form.html
> 
> where form.html is the HTML file
> 
> <form>
>   <input id="b1" type="button" value="Apply" title="Button"/>
> </form>
> 
> you will end up with the desired output in the file "out.html".
> 
> Cheers,
> 
> SB
>  
> > Here's a small example:
> > 
> > (1) Original source file:
> > 
> > <form>
> > <input id="b1" type="button" value="Apply" title="Button"/>
> > </form>
> > 
> > 
> > (2) Intermediate file 1:
> > 
> > ```{=html5}
> > <form>
> > <input id="b1" type="button" value="Apply" title="Button"/>
> > </form>
> > ```
> > 
> > (3) Intermediate file 2:
> > 
> > ~~~~{.html}
> > <form>
> > <input id="b1" type="button" value="Apply" title="Button"/>
> > </form>
> > ~~~~
> > 
> > (4) Desired final output would be something like this:
> > 
> > ...
> > 
> > <h2>A Form with a Button</h2>
> > 
> > <form>
> > <input id="b1" type="button" value="Apply" title="Button"/>
> > </form>
> > 
> > <h2>Code to Produce a Form with a Button</h2>
> > 
> > <div class="sourceCode" id="cb1"><pre class="sourceCode html"><code
> > class="sourceCode html"><a class="sourceLine" id="cb1-1" title="1"><span
> > class="kw">&lt;form&gt;</span></a>
> > <a class="sourceLine" id="cb1-2" title="2"><span
> > class="kw">&lt;input</span><span class="ot"> id=</span><span
> > class="st">&quot;b1&quot;</span><span class="ot"> type=</span><span
> > class="st">&quot;button&quot;</span><span class="ot"> value=</span><span
> > class="st">&quot;Apply&quot;</span><span class="ot"> title=</span><span
> > class="st">&quot;Button&quot;</span><span class="kw">/&gt;</span></a>
> > <a class="sourceLine" id="cb1-3" title="3"><span
> > class="kw">&lt;/form&gt;</span></a></code></pre></div>
> > 
> > ...
> > 
> 
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