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33 lines
1.2 KiB
Nix
33 lines
1.2 KiB
Nix
{ stdenv, buildPythonPackage, fetchFromGitHub, numpy, scipy, pillow }:
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buildPythonPackage rec {
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pname = "pyssim";
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version = "0.4";
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propagatedBuildInputs = [ numpy scipy pillow ];
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# PyPI tarball doesn't contain test images so let's use GitHub
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src = fetchFromGitHub {
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owner = "jterrace";
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repo = pname;
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rev = "v${version}";
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sha256 = "0rnj3xdhma1fc0fg0jjsdy74ar0hgr3w8kygbnijqjdms7m3asqm";
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};
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# Tests are copied from .travis.yml
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checkPhase = ''
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$out/bin/pyssim test-images/test1-1.png test-images/test1-1.png | grep 1
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$out/bin/pyssim test-images/test1-1.png test-images/test1-2.png | grep 0.998
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$out/bin/pyssim test-images/test1-1.png "test-images/*" | grep -E " 1| 0.998| 0.672| 0.648" | wc -l | grep 4
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$out/bin/pyssim --cw --width 128 --height 128 test-images/test1-1.png test-images/test1-1.png | grep 1
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$out/bin/pyssim --cw --width 128 --height 128 test-images/test3-orig.jpg test-images/test3-rot.jpg | grep 0.938
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'';
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meta = with stdenv.lib; {
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description = "Module for computing Structured Similarity Image Metric (SSIM) in Python";
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homepage = https://github.com/jterrace/pyssim;
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license = licenses.mit;
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maintainers = with maintainers; [ jluttine ];
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};
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}
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