126 lines
3.5 KiB
Nix
126 lines
3.5 KiB
Nix
{
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lib,
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stdenv,
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buildPythonPackage,
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fetchFromGitHub,
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fetchzip,
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substitute,
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pytestCheckHook,
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setuptools,
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pyclipper,
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opencv4,
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numpy,
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six,
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shapely,
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pyyaml,
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pillow,
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onnxruntime,
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}:
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let
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version = "1.3.24";
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src = fetchFromGitHub {
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owner = "RapidAI";
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repo = "RapidOCR";
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rev = "refs/tags/v${version}";
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hash = "sha256-+iY+/IdOgsn+LPZQ4Kdzxuh31csQ7dyh5Zf552ne3N0=";
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};
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models = fetchzip {
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url = "https://github.com/RapidAI/RapidOCR/releases/download/v1.1.0/required_for_whl_v1.3.0.zip";
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hash = "sha256-j/0nzyvu/HfNTt5EZ+2Phe5dkyPOdQw/OZTz0yS63aA=";
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stripRoot = false;
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} + "/required_for_whl_v1.3.0/resources/models";
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in
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buildPythonPackage {
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pname = "rapidocr-onnxruntime";
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inherit version src;
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pyproject = true;
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sourceRoot = "${src.name}/python";
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# HACK:
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# Upstream uses a very unconventional structure to organize the packages, and we have to coax the
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# existing infrastructure to work with it.
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# See https://github.com/RapidAI/RapidOCR/blob/02829ef986bc2a5c4f33e9c45c9267bcf2d07a1d/.github/workflows/gen_whl_to_pypi_rapidocr_ort.yml#L80-L92
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# for the "intended" way of building this package.
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# The setup.py supplied by upstream tries to determine the current version by
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# fetching the latest version of the package from PyPI, and then bumping the version number.
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# This is not allowed in the Nix build environment as we do not have internet access,
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# hence we patch that out and get the version from the build environment directly.
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patches = [
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(substitute {
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src = ./setup-py-override-version-checking.patch;
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substitutions = [
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"--subst-var-by"
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"version"
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version
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];
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})
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];
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postPatch = ''
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mv setup_onnxruntime.py setup.py
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mkdir -p rapidocr_onnxruntime/models
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ln -s ${models}/* rapidocr_onnxruntime/models
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# Magic patch from upstream - what does this even do??
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echo "from .rapidocr_onnxruntime.main import RapidOCR, VisRes" > __init__.py
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'';
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# Upstream expects the source files to be under rapidocr_onnxruntime/rapidocr_onnxruntime
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# instead of rapidocr_onnxruntime for the wheel to build correctly.
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preBuild = ''
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mkdir rapidocr_onnxruntime_t
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mv rapidocr_onnxruntime rapidocr_onnxruntime_t
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mv rapidocr_onnxruntime_t rapidocr_onnxruntime
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'';
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# Revert the above hack
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postBuild = ''
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mv rapidocr_onnxruntime rapidocr_onnxruntime_t
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mv rapidocr_onnxruntime_t/* .
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'';
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build-system = [ setuptools ];
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dependencies = [
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pyclipper
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opencv4
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numpy
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six
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shapely
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pyyaml
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pillow
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onnxruntime
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];
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# Remove because we have adopted the `opencv4` as an attribute name.
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pythonRemoveDeps = [ "opencv-python" ];
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pythonImportsCheck = [ "rapidocr_onnxruntime" ];
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nativeCheckInputs = [ pytestCheckHook ];
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# These are tests for different backends.
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disabledTestPaths = [
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"tests/test_vino.py"
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"tests/test_paddle.py"
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];
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meta = {
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# This seems to be related to https://github.com/microsoft/onnxruntime/issues/10038
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# Also some related issue: https://github.com/NixOS/nixpkgs/pull/319053#issuecomment-2167713362
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broken = (stdenv.hostPlatform.isLinux && stdenv.hostPlatform.isAarch64);
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changelog = "https://github.com/RapidAI/RapidOCR/releases/tag/v${version}";
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description = "Cross platform OCR Library based on OnnxRuntime";
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homepage = "https://github.com/RapidAI/RapidOCR";
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license = with lib.licenses; [ asl20 ];
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maintainers = with lib.maintainers; [ pluiedev ];
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mainProgram = "rapidocr_onnxruntime";
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};
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}
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