Comments (4)
Currently you can build custom versions only by forking the project and changing builds flags. On Appveyor the build artifacts can be downloaded after the build from the Appveyor service.
At some point it will also possible to build the package locally, see this issue: #43
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@espdev unfortunately the pre-built wheel can't include this.
This is similar to why work on #49 and #50 has to build LGPL versions of FFmpeg. Some things are just not safe for developers like us to distribute without the risks of legal repercussions. Pre-built Wheels will not be able to include these components.
Future work on an sdist might be able to mitigate this by performing the compilation on end users machine and thus not distributing potentially infringing software. But the focus of work here has been on building Wheels that enable users to install OpenCV without the need to spend the time compiling OpenCV.
@skvark Might have more to say. But I feel like I had a good answer for you since I'm digging around on the FFmpeg issues which have similar legal related constraints. My apologies if I've overstepped here in what is effectively answering for you ( @skvark ) as the project owner.
from opencv-python.
OpenCV cmake recipe has enable-nonfree flag but it's currently off. As @techdragon explained above, I'm not sure if we can distribute the modules protected by that flag. This would require lawyer advice.
Note: despite the flag being off there might be some other modules included in opencv-contrib-python which belong to the same "non-free" category. If that's the case it's because OpenCV developers haven't protected them with that macro.
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@techdragon @skvark Thank you for your replies! You are right.
I think I could build the wheel package for myself with needed opencv cmake-flag but I do not know how to build this project (opencv-python) correctly.
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Related Issues (20)
- PyPI: macOS arm64 wheel missing
- cv2.createThinPlateSplineShapeTransformer not exist in 4.10
- imdecode jpeg2000 segfault or deadlock in multithreading HOT 2
- Typing of compare does not allow scalar for src1 or src2
- Why Building wheel for opencv-python when using "pip install opencv-python"
- Typing stubs generation has failed when building wheel HOT 1
- Add option to skip jacobian calculation for cv2.projectPoints() to speed up calculation HOT 8
- Picture overlap error HOT 2
- Maybe cv2.findContours() error. It is inconsistent.
- BUG: cv2.fillPoly() causing segmentation fault on Ubuntu 22.04.4 LTS HOT 1
- [Suggestion] Metapackage as solution to current issues with opencv as dependency HOT 1
- Build from source python 3.12 fails HOT 6
- error: OpenCV(4.8.0) /io/opencv/modules/core/src/copy.cpp:71: error: (-215:Assertion failed) cn <= 4 in function 'scalarToRawData'
- ModuleNotFoundError: No module named 'distutils' in latest release HOT 7
- MacOS arm64 wheels missing from PyPI 4.10 release HOT 2
- ImportError: numpy.core.multiarray --- Numpy 2.0.0 HOT 1
- cv2/cv2.abi3.so, 2): Library not loaded: /usr/local/opt/libunistring/lib/libunistring.2.dylib Referenced from: /usr/local/opt/gnutls/lib/libgnutls.30.dylib HOT 1
- When will opencv-python support numpy 2.0? HOT 6
- compile bug
- AttributeError: module 'numpy' has no attribute 'object'. `np.object` was a deprecated alias for the builtin `object`. To avoid this error in existing code, use `object` by itself. Doing this will not modify any behavior and is safe. HOT 1
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