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cv2 import error when using OpenCV built from source

Open pwuertz opened this issue 3 years ago • 14 comments

When pyinstalling an application with an OpenCV-built-from-source dependency, the bundled application fails importing cv2 with an error message like this:

ImportError: OpenCV loader: missing configuration file: ['config.py']. Check OpenCV installation.

This problem exists on Linux and Windows alike (also reported and discussed in https://github.com/pyinstaller/pyinstaller/issues/4564).

I think the issue is specific to OpenCV built and installed from source, which installs some sort of dynamic loader for importing the real cv2 so/pyd module. Workarounds presented so far circumvent this problem by adding the real module path as pythonpath with high priority, thus bypassing the loader.

The python module layout created by OpenCV source builds looks like this:

./dist-packages
./dist-packages/cv2
./dist-packages/cv2/python-3.9
./dist-packages/cv2/python-3.9/cv2.cpython-39-x86_64-linux-gnu.so
./dist-packages/cv2/__init__.py
./dist-packages/cv2/__pycache__
./dist-packages/cv2/__pycache__/__init__.cpython-39.pyc
./dist-packages/cv2/__pycache__/load_config_py3.cpython-39.pyc
./dist-packages/cv2/load_config_py2.py
./dist-packages/cv2/config.py
./dist-packages/cv2/load_config_py3.py
./dist-packages/cv2/config-3.9.py

And here is the top level import script doing all sorts of library path manipulation before selecting and loading the real module dynamically: init.py

Is there something that can be done at hook-cv2.py to mitigate this problem? PyInstaller already provides all the magic for resolving and bundling .dll/.so dependencies, so in general it should be safe to skip the OpenCV loader altogether as shown by the workarounds. Is there a way to import cv2 within hook-cv2.py, and then tell PyInstaller to just package the module cv2 points to instead of trying to analyze the cv2/ module dir?

pwuertz avatar Apr 15 '21 09:04 pwuertz

There is any news regarding this issue? I think that this problem is the same that occurs with new opencv version.

jmspereira avatar Oct 27 '21 13:10 jmspereira

There is any news regarding this issue? I think that this problem is the same that occurs with new opencv version.

Confirmed. Latest version opencv having same problem. Before problem didn't reproduced.

shagren avatar Oct 28 '21 11:10 shagren

I'm also facing this problem with the latest versions: PyInstaller 4.6 opencv-python 4.5.3.58

For temporary workaround, I downgraded opencv version to 4.5.3.56. and It's working fine with PyInstaller 4.6 .

IvanLauLinTiong avatar Nov 03 '21 15:11 IvanLauLinTiong

Yeah, it looks like that horrible loader shim made it into wheels. I was hoping this was an oversight, but opencv/opencv-python#569 seems to suggest this was intentional (even though as far as I can tell, the library search path magic is largely redundant (especially compared to what were doing before) as wheels are statically linked against OpenCV, so the library path they are trying to set does not exist).

But even if we were to collect those config scripts, the module swapping trick module does not work with PyInstaller at the moment, presumably because our FrozenImporter is immune to changes to sys.path, so it always loads the collected cv2/__init__.py wrapper (from PYZ), leading to recursion error. I suppose we'll have to modify it to give precedence to on-filesystem files (or at least binary extensions), or maybe try to put it at the end of sys.meta_path so that on-filesystem resources are handled first using the built-in loaders/importers.

rokm avatar Nov 03 '21 16:11 rokm

I'm also facing this problem with the latest versions: PyInstaller 4.6 opencv-python 4.5.3.58

For temporary workaround, I downgraded opencv version to 4.5.3.56. and It's working fine with PyInstaller 4.6 .

I also tried with downgrade the version but still getting same error, ImportError: OpenCV loader: missing configuration file: ['config.py']. Check OpenCV installation.

ns1998-hub avatar Nov 16 '21 05:11 ns1998-hub

I'm also facing this problem with the latest versions: PyInstaller 4.6 opencv-python 4.5.3.58 For temporary workaround, I downgraded opencv version to 4.5.3.56. and It's working fine with PyInstaller 4.6 .

I also tried with downgrade the version but still getting same error, ImportError: OpenCV loader: missing configuration file: ['config.py']. Check OpenCV installation.

Downgrading only opencv-python to 4.5.3.56 worked for me.

adh-arsh avatar Nov 16 '21 19:11 adh-arsh

In the OpenCV build configuration, there is an option OPENCV_SKIP_PYTHON_LOADER. Although I'd expect this to bypass the loader as it says on the tin, enabling the debug in OpenCV still shows the loader doing its thing. That's not really a PyInstaller problem though. I just wanted to mention that this option existed and was curious if this knowledge was of any use. I haven't dug into the cmake files thoroughly enough to know if this option can be tested against in an installed OpenCV.

EDIT: Made a fool of myself in the OpenCV GitHub page, so I'll update here too. I removed the install files from my Python environment and ran install on OpenCV again. It appears to work, though I haven't tested it thoroughly to be sure. If this does actually work, would it be possible to provide some kind of warning that OpenCV needs to be built in this way when using PyInstaller?

camblomquist avatar May 10 '22 20:05 camblomquist

This is legitimately a blocker on MacOS since pip install opencv-python-headless<4.6 fails while building wheel for opencv-python-headless. While opencv-python-headless-4.6.0.66 installed correctly. And I don't know of a workaround at the moment.

Edit: See comment below

Avasam avatar Jul 21 '22 04:07 Avasam

How does PyInstaller in any way inhibit wheel building? The two are completely unrelated.

bwoodsend avatar Jul 21 '22 17:07 bwoodsend

This is legitimately a blocker on MacOS since pip install opencv-python-headless<4.6 fails while building wheel for opencv-python-headless. While opencv-python-headless-4.6.0.66 installed correctly. And I don't know of a workaround at the moment.

4.5.4.60 provides binary wheels for python 3.10, so it installs just fine...

rokm avatar Jul 21 '22 18:07 rokm

How does PyInstaller in any way inhibit wheel building? The two are completely unrelated.

It's a catch 22. PyInstaller has issues with OpenCV-python 4.6. The solution/workaround mentioned here and at pyinstaller/pyinstaller#6889 is to go back to 4.5 instead. But OpenCV-python 4.5 simply won't build on my MacOS machine. (no problem on Windows and Linux)

It's entirely possible there's another solution I'm not aware of. Like forking OpenCV and making a patch. But I don't curerntly have the answer so as far as I'm concerned it's impossible to use opencv with pyinstaller on a mac at the moment.

4.5.4.60 provides binary wheels for python 3.10, so it installs just fine...

numpy fails to build on 3.10. The wheels for mac were added in 1.21.4, but opencv-python-headless-4.5.5.64 is pinned to numpy-1.21.2

Python 3.9 opencv-python-headless>=4.5.4,
[...] (goes further than my console could print, also took many minutes to try to install)
clude/opencv4/opencv2/flann/heap.h
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      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/misc/__init__.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/misc/version.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/mat_wrapper/__init__.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/utils/__init__.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/gapi/__init__.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/python-3/cv2.abi3.so
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/config-3.py
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_eye.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_eye_tree_eyeglasses.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalcatface.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalcatface_extended.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt2.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt_tree.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_default.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_fullbody.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_lefteye_2splits.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_licence_plate_rus_16stages.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_lowerbody.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_profileface.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_righteye_2splits.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_russian_plate_number.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_smile.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_upperbody.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/lbpcascades/lbpcascade_frontalcatface.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/lbpcascades/lbpcascade_frontalface.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/lbpcascades/lbpcascade_frontalface_improved.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/lbpcascades/lbpcascade_profileface.xml
      -- Installing: /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/lbpcascades/lbpcascade_silverware.xml
      
      
      --------------------------------------------------------------------------------
      -- Trying "Ninja" generator
      --------------------------------
      ---------------------------
      ----------------------
      -----------------
      ------------
      -------
      --
      --
      -------
      ------------
      -----------------
      ----------------------
      ---------------------------
      --------------------------------
      -- Trying "Ninja" generator - failure
      --------------------------------------------------------------------------------
      
      
      
      --------------------------------------------------------------------------------
      -- Trying "Unix Makefiles" generator
      --------------------------------
      ---------------------------
      ----------------------
      -----------------
      ------------
      -------
      --
      --
      -------
      ------------
      -----------------
      ----------------------
      ---------------------------
      --------------------------------
      -- Trying "Unix Makefiles" generator - success
      --------------------------------------------------------------------------------
      
      Configuring Project
        Working directory:
          /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-build
        Command:
          cmake /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/opencv -G 'Unix Makefiles' -DCMAKE_INSTALL_PREFIX:PATH=/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-grgxayvc/opencv-python-headless_035f1155810845f4832fbf578510ffda/_skbuild/macosx-10.14-x86_64-3.9/cmake-install -DPYTHON_VERSION_STRING:STRING=3.9.13 -DSKBUILD:INTERNAL=TRUE -DCMAKE_MODULE_PATH:PATH=/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/skbuild/resources/cmake -DPython3_EXECUTABLE:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3.9 -DPython3_INCLUDE_DIR:PATH=/Library/Frameworks/Python.framework/Versions/3.9/include/python3.9 -DPython3_LIBRARY:PATH=/Library/Frameworks/Python.framework/Versions/3.9/lib/libpython3.9.dylib -DPython3_NumPy_INCLUDE_DIRS:PATH=/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/numpy/core/include -DPython_EXECUTABLE:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3.9 -DPython_INCLUDE_DIR:PATH=/Library/Frameworks/Python.framework/Versions/3.9/include/python3.9 -DPython_LIBRARY:PATH=/Library/Frameworks/Python.framework/Versions/3.9/lib/libpython3.9.dylib -DPython_NumPy_INCLUDE_DIRS:PATH=/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/numpy/core/include -DPYTHON_EXECUTABLE:FILEPATH=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3.9 -DPYTHON_INCLUDE_DIR:PATH=/Library/Frameworks/Python.framework/Versions/3.9/include/python3.9 -DPYTHON_LIBRARY:PATH=/Library/Frameworks/Python.framework/Versions/3.9/lib/libpython3.9.dylib -DPYTHON_NumPy_INCLUDE_DIRS:PATH=/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/numpy/core/include -DPYTHON3_EXECUTABLE=/Library/Frameworks/Python.framework/Versions/3.9/bin/python3.9 -DPYTHON3_INCLUDE_DIR=/Library/Frameworks/Python.framework/Versions/3.9/include/python3.9 -DPYTHON3_LIBRARY=/Library/Frameworks/Python.framework/Versions/3.9/lib/libpython3.9.dylib -DBUILD_opencv_python3=ON -DBUILD_opencv_python2=OFF -DBUILD_opencv_java=OFF -DOPENCV_PYTHON3_INSTALL_PATH=python -DINSTALL_CREATE_DISTRIB=ON -DBUILD_opencv_apps=OFF -DBUILD_opencv_freetype=OFF -DBUILD_SHARED_LIBS=OFF -DBUILD_TESTS=OFF -DBUILD_PERF_TESTS=OFF -DBUILD_DOCS=OFF -DPYTHON3_LIMITED_API=ON -DBUILD_OPENEXR=ON -DBUILD_PNG=ON -DWITH_WIN32UI=OFF -DWITH_QT=OFF -DWITH_GTK=OFF -DCMAKE_BUILD_TYPE:STRING=Release -DCMAKE_OSX_DEPLOYMENT_TARGET:STRING=10.14 -DCMAKE_OSX_ARCHITECTURES:STRING=x86_64
      
      Copying files from CMake output
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/python-3/cv2.abi3.so -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/cv2.abi3.so
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/__init__.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/__init__.py
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/load_config_py2.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/load_config_py2.py
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/load_config_py3.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/load_config_py3.py
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/config.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/config.py
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/config-3.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/config-3.py
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_eye.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_eye.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_eye_tree_eyeglasses.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_eye_tree_eyeglasses.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalcatface.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalcatface.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalcatface_extended.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalcatface_extended.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalface_alt.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt2.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalface_alt2.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_alt_tree.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalface_alt_tree.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_frontalface_default.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_frontalface_default.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_fullbody.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_fullbody.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_lefteye_2splits.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_lefteye_2splits.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_licence_plate_rus_16stages.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_licence_plate_rus_16stages.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_lowerbody.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_lowerbody.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_profileface.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_profileface.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_righteye_2splits.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_righteye_2splits.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_russian_plate_number.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_russian_plate_number.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_smile.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_smile.xml
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/share/opencv4/haarcascades/haarcascade_upperbody.xml -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/data/haarcascade_upperbody.xml
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/gapi
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/gapi/__init__.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/gapi/__init__.py
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/mat_wrapper
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/mat_wrapper/__init__.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/mat_wrapper/__init__.py
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/misc
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/misc/__init__.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/misc/__init__.py
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/misc/version.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/misc/version.py
      creating directory _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/utils
      copying _skbuild/macosx-10.14-x86_64-3.9/cmake-install/python/cv2/utils/__init__.py -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/utils/__init__.py
      Copying files from non-default sourcetree locations
      copying LICENSE.txt -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/LICENSE.txt
      copying LICENSE-3RD-PARTY.txt -> _skbuild/macosx-10.14-x86_64-3.9/cmake-install/cv2/LICENSE-3RD-PARTY.txt
      Traceback (most recent call last):
        File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 363, in <module>
          main()
        File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 345, in main
          json_out['return_val'] = hook(**hook_input['kwargs'])
        File "/Library/Frameworks/Python.framework/Versions/3.9/lib/python3.9/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 261, in build_wheel
          return _build_backend().build_wheel(wheel_directory, config_settings,
        File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 244, in build_wheel
          return self._build_with_temp_dir(['bdist_wheel'], '.whl',
        File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 229, in _build_with_temp_dir
          self.run_setup()
        File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 281, in run_setup
          super(_BuildMetaLegacyBackend,
        File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/setuptools/build_meta.py", line 174, in run_setup
          exec(code, locals())
        File "<string>", line 503, in <module>
        File "<string>", line 240, in main
        File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-wvgisydu/overlay/lib/python3.9/site-packages/skbuild/setuptools_wrap.py", line 676, in setup
          _classify_installed_files(
        File "<string>", line 443, in _classify_installed_files_override
      TypeError: _classify_installed_files() got an unexpected keyword argument 'cmake_install_dir'
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
  ERROR: Failed building wheel for opencv-python-headless
Failed to build opencv-python-headless
ERROR: Could not build wheels for opencv-python-headless, which is required to install pyproject.toml-based projects
Python 3.10 opencv-python-headless>=4.5.4,
Collecting opencv-python-headless<4.6,>=4.5.4
  Using cached opencv-python-headless-4.5.5.64.tar.gz (89.9 MB)
  Installing build dependencies ... error
  error: subprocess-exited-with-error
  
  × pip subprocess to install build dependencies did not run successfully.
  │ exit code: 1
  ╰─> [212 lines of output]
      Ignoring numpy: markers 'python_version == "3.6" and platform_machine != "aarch64" and platform_machine != "arm64"' don't match your environment
      Ignoring numpy: markers 'python_version == "3.7" and platform_machine != "aarch64" and platform_machine != "arm64"' don't match your environment
      Ignoring numpy: markers 'python_version == "3.8" and platform_machine != "aarch64" and platform_machine != "arm64"' don't match your environment
      Ignoring numpy: markers 'python_version <= "3.9" and sys_platform == "linux" and platform_machine == "aarch64"' don't match your environment
      Ignoring numpy: markers 'python_version <= "3.9" and sys_platform == "darwin" and platform_machine == "arm64"' don't match your environment
      Ignoring numpy: markers 'python_version == "3.9" and platform_machine != "aarch64" and platform_machine != "arm64"' don't match your environment
      Collecting setuptools
        Using cached setuptools-63.2.0-py3-none-any.whl (1.2 MB)
      Collecting wheel
        Using cached wheel-0.37.1-py2.py3-none-any.whl (35 kB)
      Collecting scikit-build
        Using cached scikit_build-0.15.0-py2.py3-none-any.whl (77 kB)
      Collecting cmake
        Using cached cmake-3.22.5-py2.py3-none-macosx_10_10_universal2.macosx_10_10_x86_64.macosx_11_0_arm64.macosx_11_0_universal2.whl (75.2 MB)
      Collecting pip
        Using cached pip-22.2-py3-none-any.whl (2.0 MB)
      Collecting numpy==1.21.2
        Using cached numpy-1.21.2.zip (10.3 MB)
        Installing build dependencies: started
        Installing build dependencies: finished with status 'done'
        Getting requirements to build wheel: started
        Getting requirements to build wheel: finished with status 'done'
        Preparing metadata (pyproject.toml): started
        Preparing metadata (pyproject.toml): finished with status 'done'
      Collecting distro
        Using cached distro-1.7.0-py3-none-any.whl (20 kB)
      Collecting packaging
        Using cached packaging-21.3-py3-none-any.whl (40 kB)
      Collecting pyparsing!=3.0.5,>=2.0.2
        Using cached pyparsing-3.0.9-py3-none-any.whl (98 kB)
      Building wheels for collected packages: numpy
        Building wheel for numpy (pyproject.toml): started
        Building wheel for numpy (pyproject.toml): finished with status 'error'
        error: subprocess-exited-with-error
      
        × Building wheel for numpy (pyproject.toml) did not run successfully.
        │ exit code: 1
        ╰─> [168 lines of output]
            setup.py:63: RuntimeWarning: NumPy 1.21.2 may not yet support Python 3.10.
              warnings.warn(
            Running from numpy source directory.
            /private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/tools/cythonize.py:69: DeprecationWarning: The distutils package is deprecated and slated for removal in Python 3.12. Use setuptools or check PEP 632 for potential alternatives
              from distutils.version import LooseVersion
            Processing numpy/random/_bounded_integers.pxd.in
            Processing numpy/random/_philox.pyx
            Processing numpy/random/_bounded_integers.pyx.in
            Processing numpy/random/_sfc64.pyx
            Processing numpy/random/_mt19937.pyx
            Processing numpy/random/bit_generator.pyx
            Processing numpy/random/mtrand.pyx
            Processing numpy/random/_generator.pyx
            Processing numpy/random/_pcg64.pyx
            Processing numpy/random/_common.pyx
            Cythonizing sources
            blas_opt_info:
            blas_mkl_info:
            customize UnixCCompiler
              libraries mkl_rt not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            blis_info:
              libraries blis not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            openblas_info:
              libraries openblas not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            accelerate_info:
              libraries accelerate not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
            Library accelerate was not found. Ignoring
              libraries veclib not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
            Library veclib was not found. Ignoring
              FOUND:
                extra_compile_args = ['-msse3', '-I/System/Library/Frameworks/vecLib.framework/Headers']
                extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
                define_macros = [('NO_ATLAS_INFO', 3), ('HAVE_CBLAS', None)]
      
              FOUND:
                extra_compile_args = ['-msse3', '-I/System/Library/Frameworks/vecLib.framework/Headers']
                extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
                define_macros = [('NO_ATLAS_INFO', 3), ('HAVE_CBLAS', None)]
      
            non-existing path in 'numpy/distutils': 'site.cfg'
            lapack_opt_info:
            lapack_mkl_info:
              libraries mkl_rt not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            openblas_lapack_info:
              libraries openblas not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            openblas_clapack_info:
              libraries openblas,lapack not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
            flame_info:
              libraries flame not found in ['/Library/Frameworks/Python.framework/Versions/3.10/lib', '/usr/local/lib', '/usr/lib']
              NOT AVAILABLE
      
              FOUND:
                extra_compile_args = ['-msse3', '-I/System/Library/Frameworks/vecLib.framework/Headers']
                extra_link_args = ['-Wl,-framework', '-Wl,Accelerate']
                define_macros = [('NO_ATLAS_INFO', 3), ('HAVE_CBLAS', None)]
      
            Warning: attempted relative import with no known parent package
            /Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/dist.py:274: UserWarning: Unknown distribution option: 'define_macros'
              warnings.warn(msg)
            running bdist_wheel
            running build
            running config_cc
            unifing config_cc, config, build_clib, build_ext, build commands --compiler options
            running config_fc
            unifing config_fc, config, build_clib, build_ext, build commands --fcompiler options
            running build_src
            build_src
            building py_modules sources
            creating build
            creating build/src.macosx-10.9-universal2-3.10
            creating build/src.macosx-10.9-universal2-3.10/numpy
            creating build/src.macosx-10.9-universal2-3.10/numpy/distutils
            building library "npymath" sources
            Could not locate executable gfortran
            Could not locate executable f95
            Could not locate executable f90
            Could not locate executable f77
            Could not locate executable xlf90
            Could not locate executable xlf
            Could not locate executable ifort
            Could not locate executable ifc
            Could not locate executable g77
            Could not locate executable g95
            Could not locate executable pgfortran
            don't know how to compile Fortran code on platform 'posix'
            creating build/src.macosx-10.9-universal2-3.10/numpy/core
            creating build/src.macosx-10.9-universal2-3.10/numpy/core/src
            creating build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath
            conv_template:> build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath/npy_math_internal.h
              adding 'build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath' to include_dirs.
            conv_template:> build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath/ieee754.c
            conv_template:> build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath/npy_math_complex.c
            None - nothing done with h_files = ['build/src.macosx-10.9-universal2-3.10/numpy/core/src/npymath/npy_math_internal.h']
            building library "npyrandom" sources
            building extension "numpy.core._multiarray_tests" sources
            creating build/src.macosx-10.9-universal2-3.10/numpy/core/src/multiarray
            conv_template:> build/src.macosx-10.9-universal2-3.10/numpy/core/src/multiarray/_multiarray_tests.c
            building extension "numpy.core._multiarray_umath" sources
            Traceback (most recent call last):
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 363, in <module>
                main()
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 345, in main
                json_out['return_val'] = hook(**hook_input['kwargs'])
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/site-packages/pip/_vendor/pep517/in_process/_in_process.py", line 261, in build_wheel
                return _build_backend().build_wheel(wheel_directory, config_settings,
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 211, in build_wheel
                return self._build_with_temp_dir(['bdist_wheel'], '.whl',
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 197, in _build_with_temp_dir
                self.run_setup()
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 248, in run_setup
                super(_BuildMetaLegacyBackend,
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/setuptools/build_meta.py", line 142, in run_setup
                exec(compile(code, __file__, 'exec'), locals())
              File "setup.py", line 448, in <module>
                setup_package()
              File "setup.py", line 440, in setup_package
                setup(**metadata)
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/core.py", line 169, in setup
                return old_setup(**new_attr)
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/setuptools/__init__.py", line 165, in setup
                return distutils.core.setup(**attrs)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/core.py", line 148, in setup
                dist.run_commands()
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/dist.py", line 966, in run_commands
                self.run_command(cmd)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/dist.py", line 985, in run_command
                cmd_obj.run()
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-build-env-vozkh5ko/overlay/lib/python3.10/site-packages/wheel/bdist_wheel.py", line 299, in run
                self.run_command('build')
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/cmd.py", line 313, in run_command
                self.distribution.run_command(command)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/dist.py", line 985, in run_command
                cmd_obj.run()
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/command/build.py", line 61, in run
                old_build.run(self)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/command/build.py", line 135, in run
                self.run_command(cmd_name)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/cmd.py", line 313, in run_command
                self.distribution.run_command(command)
              File "/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10/distutils/dist.py", line 985, in run_command
                cmd_obj.run()
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/command/build_src.py", line 144, in run
                self.build_sources()
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/command/build_src.py", line 161, in build_sources
                self.build_extension_sources(ext)
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/command/build_src.py", line 318, in build_extension_sources
                sources = self.generate_sources(sources, ext)
              File "/private/var/folders/pq/fcm14lvx33584r8lmkkmmzfw0000gn/T/pip-install-dnxvwotj/numpy_90683b37b79642ca867de6df03c4f715/numpy/distutils/command/build_src.py", line 378, in generate_sources
                source = func(extension, build_dir)
              File "numpy/core/setup.py", line 434, in generate_config_h
                moredefs, ignored = cocache.check_types(config_cmd, ext, build_dir)
              File "numpy/core/setup.py", line 44, in check_types
                out = check_types(*a, **kw)
              File "numpy/core/setup.py", line 289, in check_types
                raise SystemError(
            SystemError: Cannot compile 'Python.h'. Perhaps you need to install python-dev|python-devel.
            [end of output]
      
        note: This error originates from a subprocess, and is likely not a problem with pip.
        ERROR: Failed building wheel for numpy
      Failed to build numpy
      ERROR: Could not build wheels for numpy, which is required to install pyproject.toml-based projects
      [end of output]
  
  note: This error originates from a subprocess, and is likely not a problem with pip.
error: subprocess-exited-with-error

× pip subprocess to install build dependencies did not run successfully.
│ exit code: 1
╰─> See above for output.

note: This error originates from a subprocess, and is likely not a problem with pip.

Avasam avatar Jul 21 '22 19:07 Avasam

If pip is trying to build opencv-python-headless from sdist (.tar.gz), you have some other problem going on (because on Windows and macOS, you probably won't have all dependencies for it).

On my test system, it installs pre-build wheels that are available on PyPI, and install without problems:

$ python3.10 -m venv venv
$ . venv/bin/activate
(venv) $ pip install "opencv-python-headless>=4.5.4,<4.6" --no-cache-dir
Collecting opencv-python-headless<4.6,>=4.5.4
  Downloading opencv_python_headless-4.5.5.64-cp36-abi3-macosx_10_15_x86_64.whl (46.3 MB)
     |████████████████████████████████| 46.3 MB 11.3 MB/s 
Collecting numpy>=1.21.2
  Downloading numpy-1.23.1-cp310-cp310-macosx_10_9_x86_64.whl (18.1 MB)
     |████████████████████████████████| 18.1 MB 11.5 MB/s 
Installing collected packages: numpy, opencv-python-headless
Successfully installed numpy-1.23.1 opencv-python-headless-4.5.5.64

rokm avatar Jul 21 '22 19:07 rokm

Downloading opencv_python_headless-4.5.5.64-cp36-abi3-macosx_10_15_x86_64.whl https://pypi.org/project/opencv-python-headless/#files

Y'know what, I think the macos version I'm using might just be too old at 10.14.6 I updated to 11.0.1 and it correctly installed from wheel in seconds instead of taking minutes. Despite the Backward compatibility section at the bottom of the PyPi insinuating 10.13+ should be supported.

No longer an issue on my side then, and I now know why.

Avasam avatar Jul 23 '22 04:07 Avasam

Those wheels are marked as >=10.15 compatible so yes, trying to install on 10.14 will lead to installation from source.

bwoodsend avatar Jul 23 '22 11:07 bwoodsend