92 lines
2.3 KiB
Python
92 lines
2.3 KiB
Python
# © 2019 James R. Barlow: github.com/jbarlow83
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#
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# This file is part of OCRmyPDF.
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#
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# OCRmyPDF is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# OCRmyPDF is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with OCRmyPDF. If not, see <http://www.gnu.org/licenses/>.
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import os
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from PIL import Image
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import pytest
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from ocrmypdf import ocrmypdf
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from ocrmypdf.filters import invert, whiteout
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from ocrmypdf._plugins import load_plugin
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os_environ = pytest.helpers.os_environ
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check_ocrmypdf = pytest.helpers.check_ocrmypdf
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def filter_42():
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return 42
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def test_pyfile():
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obj = load_plugin(f'{__file__}::filter_42')
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assert obj() == 42
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def test_pyfile_notexist():
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with pytest.raises(FileNotFoundError):
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load_plugin('thisfile.doesnot.exist.py::filter_42')
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def test_pyfile_noobject():
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with pytest.raises(AttributeError):
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load_plugin(f'{__file__}::no_function_with_this_name')
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def test_module():
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obj = load_plugin(f'os.getuid')
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assert obj() == os.getuid()
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def test_module_notexist():
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with pytest.raises(ModuleNotFoundError):
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load_plugin('thismodule.doesnot.exist')
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def test_filter_from_cmdline(resources, outdir):
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(outdir / 'temp.py').write_text(
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"from PIL import Image\n"
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"def whiteout(im):\n"
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" return Image.new(im.mode, im.size)\n"
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)
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check_ocrmypdf(
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resources / 'crom.png',
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outdir / 'out.pdf',
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'--image-dpi',
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'100',
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'--sidecar',
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outdir / 'sidecar.txt',
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'--filter-ocr-image',
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f"{outdir / 'temp.py'}::whiteout",
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)
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assert (outdir / 'sidecar.txt').read_text().strip() == ''
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def test_filter_from_api(resources, outdir):
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ocrmypdf(
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resources / 'crom.png',
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outdir / 'out.pdf',
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image_dpi=100,
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sidecar=outdir / 'sidecar.txt',
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filter_ocr_image=whiteout,
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)
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assert (outdir / 'sidecar.txt').read_text().strip() == ''
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