ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type

本文解决了Anaconda安装opencv后与ROS kinetice环境中cv2.so出现的符号未定义错误问题。通过调整opencv的安装方式,避免了Python环境冲突,确保ROS项目正常运行。
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Anaconda 安装opencv和Ros的opencv冲突问题,报错:

ImportError: /opt/ros/kinetic/lib/python2.7/dist-packages/cv2.so: undefined symbol: PyCObject_Type

解决方法参考以下链接

https://blog.youkuaiyun.com/qq_34544129/article/details/81946494

 

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ile "a.py", line 120, in image_callback self.last_image = self.bridge.imgmsg_to_cv2(msg, "bgr8") File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 163, in imgmsg_to_cv2 dtype, n_channels = self.encoding_to_dtype_with_channels(img_msg.encoding) File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 99, in encoding_to_dtype_with_channels return self.cvtype2_to_dtype_with_channels(self.encoding_to_cvtype2(encoding)) File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 91, in encoding_to_cvtype2 from cv_bridge.boost.cv_bridge_boost import getCvType ImportError: dynamic module does not define module export function (PyInit_cv_bridge_boost) [ERROR] [1755031910.383812]: bad callback: <bound method DetectionMonitor.image_callback of <__main__.DetectionMonitor object at 0x7fce5ee7c250>> Traceback (most recent call last): File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/topics.py", line 750, in _invoke_callback cb(msg) File "a.py", line 120, in image_callback self.last_image = self.bridge.imgmsg_to_cv2(msg, "bgr8") File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 163, in imgmsg_to_cv2 dtype, n_channels = self.encoding_to_dtype_with_channels(img_msg.encoding) File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 99, in encoding_to_dtype_with_channels return self.cvtype2_to_dtype_with_channels(self.encoding_to_cvtype2(encoding)) File "/opt/ros/melodic/lib/python2.7/dist-packages/cv_bridge/core.py", line 91, in encoding_to_cvtype2 from cv_bridge.boost.cv_bridge_boost import getCvType ImportError: dynamic module does not define module export function (PyInit_cv_bridge_boost) [ERROR] [1755031910.395251]: bad callback: <bound method DetectionMonitor.image_callback of <__main__.DetectionMonitor object at 0x7fce5ee7c250>> Traceback (most recent call last): File "/opt/ros/melodic/lib/python2.7/dist-packages/rospy/topics.py", line 750, in _invoke_callback
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08-14
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