{ lib, pythonPackages, fetchurl, xpdf }: let py = pythonPackages; in py.buildPythonApplication rec { name = "pdfdiff-${version}"; version = "0.92"; src = fetchurl { url = "https://www.cs.ox.ac.uk/people/cas.cremers/downloads/software/pdfdiff.py"; sha256 = "0zxwjjbklz87wkbhkmsvhc7xmv5php7m2a9vm6ydhmhlxsybf836"; }; buildInputs = [ pythonPackages.wrapPython ]; doCheck = false; phases = [ "unpackPhase" "patchPhase" "installPhase" ]; unpackPhase = "cp $src pdfdiff.py"; postPatch = '' sed -i -r 's|pdftotextProgram = "pdftotext"|pdftotextProgram = "${xpdf}/bin/pdftotext"|' pdfdiff.py sed -i -r 's|progName = "pdfdiff.py"|progName = "pdfdiff"|' pdfdiff.py ''; installPhase = '' mkdir -p $out/bin cp pdfdiff.py $out/bin/pdfdiff chmod +x $out/bin/pdfdiff substituteInPlace $out/bin/pdfdiff --replace "#!/usr/bin/python" "#!${pythonPackages.python.interpreter}" ''; meta = with lib; { homepage = "http://www.cs.ox.ac.uk/people/cas.cremers/misc/pdfdiff.html"; description = "Tool to view the difference between two PDF or PS files"; license = licenses.gpl2Plus; platforms = platforms.linux; }; }