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Merge pull request #1348 from TikhonJelvis/pytesseract-executable-dependency

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Add dependency on native Tesseract OCR executable for pytesseract
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Phillip Cloud 2023-10-21 12:36:12 +00:00 • committed by GitHub
commit 67dade9d5f
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28
overrides/default.nix
View file

@ -2141,6 +2141,34 @@ lib.composeManyExtensions [
buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.taglib ];
});
pytesseract =
let
pytesseract-cmd-patch = pkgs.writeText "pytesseract-cmd.patch" ''
--- a/pytesseract/pytesseract.py
+++ b/pytesseract/pytesseract.py
@@ -27,7 +27,7 @@
from PIL import Image
-tesseract_cmd = 'tesseract'
+tesseract_cmd = '${pkgs.tesseract4}/bin/tesseract'
numpy_installed = find_loader('numpy') is not None
if numpy_installed:
'';
in
super.pytesseract.overridePythonAttrs (old: {
buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.tesseract4 ];
patches = (old.patches or [ ]) ++ lib.optionals (!(old.src.isWheel or false)) [ pytesseract-cmd-patch ];
# apply patch in postInstall if the source is a wheel
postInstall = lib.optionalString (old.src.isWheel or false) ''
pushd "$out/${self.python.sitePackages}"
patch -p1 < "${pytesseract-cmd-patch}"
popd
'';
});
pytezos = super.pytezos.overridePythonAttrs (old: {
buildInputs = (old.buildInputs or [ ]) ++ [ pkgs.libsodium ];
});

1
tests/default.nix
View file

@ -162,6 +162,7 @@ in
rpds-py-no-wheel = callTest ./rpds-py-no-wheel { };
contourpy-wheel = callTest ./contourpy-wheel { };
contourpy-no-wheel = callTest ./contourpy-no-wheel { };
pytesseract = callTest ./pytesseract { };
} // lib.optionalAttrs (!stdenv.isDarwin) {
# pyqt5 = (callTest ./pyqt5 { });

13
tests/pytesseract/default.nix Normal file
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@ -0,0 +1,13 @@
{ poetry2nix, runCommand, python3 }:
let
env = poetry2nix.mkPoetryEnv {
python = python3;
pyproject = ./pyproject.toml;
poetrylock = ./poetry.lock;
preferWheels = true;
};
py = env.python;
in
runCommand "pytesseract-test" { } ''
${env}/bin/python -c 'import pytesseract; print(pytesseract.get_tesseract_version())' > $out
''

99
tests/pytesseract/poetry.lock generated Normal file
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@ -0,0 +1,99 @@
# This file is automatically @generated by Poetry 1.6.1 and should not be changed by hand.
[[package]]
name = "packaging"
version = "23.2"
description = "Core utilities for Python packages"
optional = false
python-versions = ">=3.7"
files = [
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{file = "packaging-23.2.tar.gz", hash = "sha256:048fb0e9405036518eaaf48a55953c750c11e1a1b68e0dd1a9d62ed0c092cfc5"},
]
[[package]]
name = "pillow"
version = "10.1.0"
description = "Python Imaging Library (Fork)"
optional = false
python-versions = ">=3.8"
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{file = "Pillow-10.1.0.tar.gz", hash = "sha256:e6bf8de6c36ed96c86ea3b6e1d5273c53f46ef518a062464cd7ef5dd2cf92e38"},
]
[package.extras]
docs = ["furo", "olefile", "sphinx (>=2.4)", "sphinx-copybutton", "sphinx-inline-tabs", "sphinx-removed-in", "sphinxext-opengraph"]
tests = ["check-manifest", "coverage", "defusedxml", "markdown2", "olefile", "packaging", "pyroma", "pytest", "pytest-cov", "pytest-timeout"]
[[package]]
name = "pytesseract"
version = "0.3.10"
description = "Python-tesseract is a python wrapper for Google's Tesseract-OCR"
optional = false
python-versions = ">=3.7"
files = [
{file = "pytesseract-0.3.10-py3-none-any.whl", hash = "sha256:8f22cc98f765bf13517ead0c70effedb46c153540d25783e04014f28b55a5fc6"},
{file = "pytesseract-0.3.10.tar.gz", hash = "sha256:f1c3a8b0f07fd01a1085d451f5b8315be6eec1d5577a6796d46dc7a62bd4120f"},
]
[package.dependencies]
packaging = ">=21.3"
Pillow = ">=8.0.0"
[metadata]
lock-version = "2.0"
python-versions = "^3.10"
content-hash = "df97bbe07626ef00c31368c0bb6c90286e1255cb76b806811c9a2a921112eb0f"

9
tests/pytesseract/pyproject.toml Normal file
View file

@ -0,0 +1,9 @@
[tool.poetry]
name = "pytesseract-test"
version = "0.1.0"
description = ""
authors = ["Your Name <you@example.com>"]
[tool.poetry.dependencies]
python = "^3.10"
pytesseract = "*"