On Thu, Oct 29, 2020 at 10:09:29AM +0100, Tanguy Le Carrour wrote: > * gnu/packages/python-xyz.scm (python-pydub): New variable. Thanks! Pushed as 96767739a1d2222ed802dd5dcfa2bda1df85df77 > + (add-after 'unpack 'fix-ffmpeg-path > + (lambda* (#:key inputs #:allow-other-keys) > + (let ((ffmpeg (assoc-ref inputs "ffmpeg"))) > + (substitute* '("pydub/utils.py") > + (("return \"ffmpeg\"") > + (string-append "return \"" ffmpeg "/bin/ffmpeg\"")) > + (("return \"ffplay\"") > + (string-append "return \"" ffmpeg "/bin/ffplay\"")) > + (("return \"ffprobe\"") > + (string-append "return \"" ffmpeg "/bin/ffprobe\"")) > + (("warn\\(\"Couldn't find ff") "# warn\\(\"Couldn't find ff")) > + #t)))))) This solution is more correct than the one I suggested. Thanks! > + (home-page "http://pydub.com") I made this use HTTPS. > + (synopsis "Manipulate audio with an simple and easy high level interface") > + (description > + "@code{pydub} makes it easy to manipulate audio. It relies on > +@code{ffmpeg} to open various audio formats.") And I tweaked these to avoid so-called "marketing language" and to clarify that pydub is in Python, which I think can be useful when searching for packages.