Install poppler-utils (to get pdftoppm)

[mgeier]

Can you please install the package poppler-utils?

This provides the program pdftoppm for converting PDF files to bitmaps (like PNG, JPEG, TIFF, ...).

This conversion could theoretically also be done with convert (from ImageMagick, which is already installed), but this doesn't work, see #155.

Apart from that, my experiments so far have shown that pdftoppm produces better results.

[humitos]

Hi and thanks for your contribution!

I suggest you to subscribe to this PR readthedocs/readthedocs.org#8065 that implements a new config in .readthedocs.yaml that allow users to install packages via APT. Once it gets merged and deployed you will be able to install these packages by yourself.

Since we are allowing users to install these dependencies, I don't think this PR will be required anymore. I'm closing it. Let me know if anything.

[mgeier]

Thanks @humitos, I've just tried it with the new apt_packages feature and it works great!

However, there will still be a certain number of basic packages installed by default, right?

I think it would still be helpful to install the package poppler-utils by default, just like convert from ImageMagick is installed by default.

Conversion between common image formats should work out of the box, IMHO.