How would you build a PDF gallery?

[Jan Girlich]

Hi,

I am new to Nikola and am trying to build a PDF gallery like
https://ds.ccc.de/download.html

I thought a gallery is close enough to make this work, but I see the
following problems:

1. I need to extract a preview PNG from each PDF. The Python code for
that is trivial, I just don't know how to run it before the gallery
code is running and trying to create the HTML. I only found the FILTER
option to run on files after generation.

2. I want the preview link to be ds102.PNG, but the download link to be
to ds102.PDF and I have no idea how I can configure Nikola to do this.

How would you build such a download gallery?

Thanks,
vollkorn

[Roberto Alsina]

We are using PIL (Pillow) to extract the thumbnails. If it supports extracting PDF thumbnails, then that's it (maybe it does and our code is doing it wrong, I don't know)

If not, then there could be a special case in the code for PDFs, since this sounds pretty useful!

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