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{ lib
, buildPythonPackage
, pythonRelaxDepsHook
, fetchFromGitHub
, attrdict
, beautifulsoup4
, cython
, fire
, fonttools
, lmdb
, lxml
, numpy
, opencv4
, openpyxl
, pdf2docx
, pillow
, premailer
, pyclipper
, pymupdf
, python-docx
, rapidfuzz
, scikit-image
, shapely
, tqdm
, paddlepaddle
, lanms-neo
, polygon3
}:
let
version = "2.7.0.1";
in
buildPythonPackage {
pname = "paddleocr";
inherit version;
format = "setuptools";
src = fetchFromGitHub {
owner = "PaddlePaddle";
repo = "PaddleOCR";
rev = "254786752a2659e184822b4b2de5637a05236590";
hash = "sha256-M/Fpk9swX9Gds7o5poM9Iv6LOhKoZNbe0Wv9JNMPOU0=";
};
patches = [
# The `ppocr.data.imaug` re-exports the `IaaAugment` and `CopyPaste`
# classes. These classes depend on the `imgaug` package which is
# unmaintained and has been removed from nixpkgs.
#
# The image OCR feature of PaddleOCR doesn't use these classes though, so
# they work even after stripping the the `IaaAugment` and `CopyPaste`
# exports. It probably breaks some of the OCR model creation tooling that
# PaddleOCR provides, however.
./remove-import-imaug.patch
];
nativeBuildInputs = [ pythonRelaxDepsHook ];
# trying to relax only pymupdf makes the whole build fail
pythonRelaxDeps = true;
pythonRemoveDeps = [
"imgaug"
"visualdl"
"opencv-python"
"opencv-contrib-python"
];
propagatedBuildInputs = [
attrdict
beautifulsoup4
cython
fire
fonttools
lmdb
lxml
numpy
opencv4
openpyxl
pdf2docx
pillow
premailer
pyclipper
pymupdf
python-docx
rapidfuzz
scikit-image
shapely
tqdm
paddlepaddle
lanms-neo
polygon3
];
# TODO: The tests depend, among possibly other things, on `cudatoolkit`.
# But Cudatoolkit fails to install.
# preCheck = "export HOME=$TMPDIR";
# nativeCheckInputs = with pkgs; [ which cudatoolkit ];
doCheck = false;
meta = with lib; {
homepage = "https://github.com/PaddlePaddle/PaddleOCR";
license = licenses.asl20;
description = "Multilingual OCR toolkits based on PaddlePaddle";
longDescription = ''
PaddleOCR aims to create multilingual, awesome, leading, and practical OCR
tools that help users train better models and apply them into practice.
'';
changelog = "https://github.com/PaddlePaddle/PaddleOCR/releases/tag/v${version}";
maintainers = with maintainers; [ happysalada ];
platforms = [ "x86_64-linux" "x86_64-darwin" "aarch64-darwin" ];
};
}
|