环境:只有 python39 centos8
步骤如下
[root@782c9d389ba6 /]# pip install opencv-python-headless
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting opencv-python-headless
Using cached https://pypi.tuna.tsinghua.edu.cn/packages/0b/5b/70685f60a3bfa5a3f74ba70faf3ebd43 5db4f778bc1610785cdacd793193/opencv_python_headless-4.4.0.46-cp39-cp39- manylinux2014_x86_64.whl (36.7 MB)
Requirement already satisfied: numpy>=1.19.3 in /usr/local/lib/python3.9/site-packages (from opencv-python-headless) (1.19.4)
Installing collected packages: opencv-python-headless
Successfully installed opencv-python-headless-4.4.0.46
[root@782c9d389ba6 ~]# python3
Python 3.9.0a6 (default, Jul 15 2020, 06:11:23)
[GCC 8.3.1 20191121 (Red Hat 8.3.1-5)] on linux
Type "help", "copyright", "credits" or "license" for more information.
import cv2
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "/usr/local/lib/python3.9/site-packages/cv2/__init__.py", line 5, in <module>
from .cv2 import *
ImportError: /usr/local/lib/python3.9/site-packages/cv2/cv2.cpython-39-x86_64-linux-gnu.so: undefined symbol: PyCMethod_New
quit()
[root@782c9d389ba6 ~]# cd /usr/local/lib/python3.9/site-packages/cv2/
[root@782c9d389ba6 cv2]# ls
cv2.cpython-39-x86_64-linux-gnu.so data __init__.py LICENSE-3RD-PARTY.txt LICENSE.txt __pycache__ version.py
[root@782c9d389ba6 cv2]# cat version.py
opencv_version = "4.4.0.46"
contrib = True
headless = True
ci_build = True
我试过'''pip install opencv-python''',结果是一样的。应该是环境的原因,但不知道具体是什么原因。请给我一些建议。谢谢