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python: accept path-like objects wherever file names are expected #24773 Merry Christmas, all 🎄 Implements #15731 Support is enabled for all arguments named `filename` or `filepath` (case-insensitive), or annotated with `CV_WRAP_FILE_PATH`. Support is based on `PyOS_FSPath`, which is available in Python 3.6+. When running on older Python versions the arguments must have a `str` value as before. ### Pull Request Readiness Checklist See details at https://github.com/opencv/opencv/wiki/How_to_contribute#making-a-good-pull-request - [x] I agree to contribute to the project under Apache 2 License. - [x] To the best of my knowledge, the proposed patch is not based on a code under GPL or another license that is incompatible with OpenCV - [x] The PR is proposed to the proper branch - [x] There is a reference to the original bug report and related work - [ ] There is accuracy test, performance test and test data in opencv_extra repository, if applicable Patch to opencv_extra has the same branch name. - [ ] The feature is well documented and sample code can be built with the project CMake
39 lines
964 B
Python
39 lines
964 B
Python
from tests_common import NewOpenCVTests, unittest
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import cv2 as cv
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import os
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def import_path():
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import sys
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if sys.version_info[0] < 3 or sys.version_info[1] < 6:
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raise unittest.SkipTest('Python 3.6+ required')
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from pathlib import Path
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return Path
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class CanPassPathLike(NewOpenCVTests):
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def test_pathlib_path(self):
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Path = import_path()
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img_path = self.find_file('cv/imgproc/stuff.jpg', [os.environ.get('OPENCV_TEST_DATA_PATH')])
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image_from_str = cv.imread(img_path)
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self.assertIsNotNone(image_from_str)
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image_from_path = cv.imread(Path(img_path))
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self.assertIsNotNone(image_from_path)
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def test_type_mismatch(self):
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import_path() # checks python version
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with self.assertRaises(TypeError) as context:
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cv.imread(123)
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self.assertTrue('str or path-like' in str(context.exception))
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if __name__ == '__main__':
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NewOpenCVTests.bootstrap()
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