ImportError: ERROR: recursion is detected during loading of "cv2" binary extensions. Check OpenCV installation.
问题:
pyinstaller 打包后,运行生成的exe报错 “recursion is detected during loading of “cv2“ binary extensions.”
Traceback (most recent call last):
File "Sy.py", line 15, in <module>
File "PyInstaller\loader\pyimod03_importers.py", line 495, in exec_module
File "cv2\__init__.py", line 180, in <module>
bootstrap()
File "cv2\__init__.py", line 152, in bootstrap
native_module = importlib.import_module("cv2")
File "importlib\__init__.py", line 126, in import_module
File "PyInstaller\loader\pyimod03_importers.py", line 495, in exec_module
File "cv2\__init__.py", line 180, in <module>
bootstrap()
File "cv2\__init__.py", line 75, in bootstrap
raise ImportError('ERROR: recursion is detected during loading of "cv2" binary extensions. Check OpenCV installation.')
ImportError: ERROR: recursion is detected during loading of "cv2" binary extensions. Check OpenCV installation.
========================
使用pip卸载opencv,pip uninstall opencv*******(具体的安装的opencv的名字)
到%:\python\Lib\site-packages%路径(安装的python的路径)下删除cv2的文件夹
再用pip重新安装opencv,pip install opencv****
========================
解决方法(可依次尝试):
1.重装cv2。(这是回答比较多的,多数情况有用)
先pip unintall opencv-python ,再pip intall opencv-python
2.设置环境变量。
参考:
Python-Opencv [ERROR: recursion is detected during loading of "cv2"_凌空的桨-CSDN博客
3.降低cv2版本。
pyinstaller和cv2的版本存在兼容问题。本人用的pyinstaller是4.7(python3.8.0),cv2是4.5.4.58,结果出错,把cv2版本降低到4.5.1.48再打包,就不报错了。
========================
https://wiki.archlinux.org/index.php/Arch_Linux_Archive#How_to_downgrade_one_package
========================
open cmd and use pip to install a different version:
pip install opencv-python==4.5.3.56
========================
opencv-python 4.5.5.62
========================
REF
https://blog.csdn.net/weixin_44205803/article/details/100975762
https://blog.csdn.net/qq_44796370/article/details/121458744
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