backgroundremover: init at 0.2.6

Signed-off-by: lucasew <lucas59356@gmail.com>

pkgs/by-name/ba/backgroundremover/package.nix

@@ -0,0 +1,92 @@
+{ python3
+, lib
+, runCommand
+, fetchFromGitHub
+, fetchurl
+}:
+
+let
+  p = python3.pkgs;
+  self = p.buildPythonApplication rec {
+    pname = "backgroundremover";
+    version = "0.2.6";
+    pyproject = true;
+
+    src = fetchFromGitHub {
+      owner = "nadermx";
+      repo = "backgroundremover";
+      rev = "v${version}";
+      hash = "sha256-dDOo7NPwvdfV+ae2oMUytCGC+2HF6xUI7dyKk2we23w=";
+    };
+
+    models = runCommand "background-remover-models" {} ''
+      mkdir $out
+      cat ${src}/models/u2a{a,b,c,d} > $out/u2net.pth
+      cat ${src}/models/u2ha{a,b,c,d} > $out/u2net_human_seg.pth
+      cp ${src}/models/u2netp.pth $out
+    '';
+
+    postPatch = ''
+      substituteInPlace backgroundremover/bg.py backgroundremover/u2net/detect.py \
+        --replace 'os.path.expanduser(os.path.join("~", ".u2net", model_name + ".pth"))' "os.path.join(\"$models\", model_name + \".pth\")"
+    '';
+
+    nativeBuildInputs = [ p.setuptools p.wheel ];
+
+    propagatedBuildInputs = [
+      p.certifi
+      p.charset-normalizer
+      p.ffmpeg-python
+      p.filelock
+      p.filetype
+      p.hsh
+      p.idna
+      p.more-itertools
+      p.moviepy
+      p.numpy
+      p.pillow
+      p.pymatting
+      p.pysocks
+      p.requests
+      p.scikit-image
+      p.scipy
+      p.six
+      p.torch
+      p.torchvision
+      p.tqdm
+      p.urllib3
+      p.waitress
+    ];
+
+    pythonImportsCheck = [ "backgroundremover" ];
+
+    passthru = {
+      inherit models;
+      tests = {
+        image = let
+          # random no copyright car image from the internet
+          demoImage = fetchurl {
+            url = "https://pics.craiyon.com/2023-07-16/38653769ac3b4e068181cb5ab1e542a1.webp";
+            hash = "sha256-Kvd06eZdibgDbabVVe0+cNTeS1rDnMXIZZpPlHIlfBo=";
+          };
+        in runCommand "backgroundremover-image-test.png" {
+          buildInputs = [ self ];
+        } ''
+          export NUMBA_CACHE_DIR=$(mktemp -d)
+          backgroundremover -i ${demoImage} -o $out
+        '';
+      };
+    };
+
+    doCheck = false; # no tests
+
+    meta = with lib; {
+      mainProgram = "backgroundremover";
+      description = "Command line tool to remove background from image and video, made by nadermx to power";
+      homepage = "https://BackgroundRemoverAI.com";
+      downloadPage = "https://github.com/nadermx/backgroundremover/releases";
+      license = licenses.mit;
+      maintainers = [ maintainers.lucasew ];
+    };
+  };
+in self

pkgs/by-name/ba/backgroundremover/test-script.py

@@ -0,0 +1,20 @@
+from argparse import ArgumentParser
+from pathlib import Path
+
+import backgroundremover.utilities as utilities
+from backgroundremover import bg
+
+parser = ArgumentParser()
+
+parser.add_argument('input', type=Path)
+parser.add_argument('output', type=Path)
+
+args = parser.parse_args()
+
+input_bytes = args.input.read_bytes()
+
+output_bytes = bg.remove(
+  input_bytes,
+)
+
+args.output.write_bytes(output_bytes)