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OpenCV 5.0.0.93 - cv2.data.haarcascades xml files missing #1244
Description
The OpenCV 5.0.0.93 wheels and sdists ship with an empty cv2/data directory. Take this 5.0.0.93 wheel for macOS for example: https://files.pythonhosted.org/packages/50/b9/2a3a9e23d7894f816792f93f2e73c017765a29e854ba343cb260da400a7e/opencv_contrib_python_headless-5.0.0.93-cp37-abi3-macosx_13_0_arm64.whl
It contains only an __init__.py file.
opencv_contrib_python_headless-5.0.0.93-cp37-abi3-macosx_13_0_arm64/cv2/data
└── __init__.py
1 directory, 1 file
The previous 4.13.0.92 wheels (example) do ship with a bunch of haarcascade_* files.
opencv_contrib_python_headless-4.13.0.92-cp37-abi3-macosx_13_0_arm64/cv2/data
├── __init__.py
├── haarcascade_eye_tree_eyeglasses.xml
├── haarcascade_eye.xml
├── haarcascade_frontalcatface_extended.xml
├── haarcascade_frontalcatface.xml
├── haarcascade_frontalface_alt_tree.xml
├── haarcascade_frontalface_alt.xml
├── haarcascade_frontalface_alt2.xml
├── haarcascade_frontalface_default.xml
├── haarcascade_fullbody.xml
├── haarcascade_lefteye_2splits.xml
├── haarcascade_license_plate_rus_16stages.xml
├── haarcascade_lowerbody.xml
├── haarcascade_profileface.xml
├── haarcascade_righteye_2splits.xml
├── haarcascade_russian_plate_number.xml
├── haarcascade_smile.xml
└── haarcascade_upperbody.xml
1 directory, 18 files
I would expect the haarcascade files to be present in 5.0+ wheels too, since I can't find an explicit mention that these files were removed. Was this intentional or is there a packaging bug?
PS: thanks for the major 5.0 release! Lots of exciting things to look forward to!
Activity
mohsinkhan85090 commentedon Jul 8, 2026
Hi! I'd like to work on this issue. Could you please assign it to me if it's not already being worked on? Thanks!
asmorkalov commentedon Jul 10, 2026
Haar cascades were moved to opencv_contrib as legacy. So, the cascade files should disappear from main opencv, but not opencv_contrib. let me recheck.
asmorkalov commentedon Jul 10, 2026
Yes, you are right. There are no xmls in 5.0 build. It's my fault, working on it.
ManiCodeUP commentedon Jul 30, 2026
HI there, got the same problem just yesterday so it seems still not to eb fixed. Just so you know. Good luck for workling on it.
sanskarpatel-AI-ML commentedon Sep 6, 2026
now can you confirm me, whether these xmls will come or not, after installing opencv_contrib
xinyuow commentedon Sep 13, 2026
so, when are you planning to update it to version 5.x? 😂
tamird commentedon Oct 7, 2026
Could y'all publish a new release containing the fix from #1262 ?