Python 导入错误：libSM.so.6：无法打开共享对象文件：没有这样的文件或目录
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ImportError: libSM.so.6: cannot open shared object file: No such file or directory
提问by Dmitry Rastorguev
When trying to import OpenCV, using import cv2I get the following error:
尝试导入 OpenCV 时，使用时import cv2出现以下错误：
/usr/local/lib/python2.7/dist-packages/cv2/__init__.py in <module>()
7
8 # make IDE's (PyCharm) autocompletion happy
----> 9 from .cv2 import *
10
11 # wildcard import above does not import "private" variables like __version__
ImportError: libSM.so.6: cannot open shared object file: No such file or directory
Not sure how to fix this - trying to play around with Google's new Colaboratorytool. Notebook is here: https://drive.google.com/file/d/0B7-sJqBiyjCcRmFkMzl6cy1iN0k/view?usp=sharing
不知道如何解决这个问题 - 尝试使用 Google 的新Colaboratory工具。笔记本在这里：https: //drive.google.com/file/d/0B7-sJqBiyjCcRmFkMzl6cy1iN0k/view?usp=sharing
回答by Dmitry Rastorguev
This fixed the problem by having it as the first two lines of the script:
这通过将其作为脚本的前两行来解决问题：
!pip install opencv-python
!apt update && apt install -y libsm6 libxext6
回答by Soufiane Chami
You need to add sudo . I did the following to get it installed :
您需要添加 sudo 。我做了以下操作来安装它：
sudo apt-get install libsm6 libxrender1 libfontconfig1
and then did that (optional! maybe you won't need it)
然后这样做（可选！也许你不需要它）
sudo python3 -m pip install opencv-contrib-python
FINALLY got it done !
终于搞定了！
回答by Caesar
For CentOS, run this:
sudo yum install libXext libSM libXrender
对于 CentOS，请运行：
sudo yum install libXext libSM libXrender
回答by Nathan
There is now a headless version of opencv-pythonwhich removes the graphical dependencies (like libSM). You can see the normal / headless version on the releases page(and the GitHub issueleading to this); just add -headlesswhen installing, e.g.,
现在有一个无头版本，opencv-python它删除了图形依赖项（如 libSM）。您可以在发布页面上看到普通/无头版本（以及导致此问题的GitHub 问题）；只需-headless在安装时添加，例如，
pip install opencv-python-headless
# also contrib, if needed
pip install opencv-contrib-python-headless
回答by de_billa_
回答by Utopia
I was facing similar issue with openCV on the python:3.7-slimdocker box. Following did the trick for me :
我在python:3.7-slimdocker box上遇到了与 openCV 类似的问题。以下对我有用：
apt-get install build-essential libglib2.0-0 libsm6 libxext6 libxrender-dev
Please see if this helps !
请看看这是否有帮助！
回答by Yogesh
I was not able to install cv2 on Anaconda-Jupyter notebook running on Ubuntu on Google Cloud Platform. But I found a way to do it as follows:
我无法在 Google Cloud Platform 上的 Ubuntu 上运行的 Anaconda-Jupyter 笔记本上安装 cv2。但我找到了一种方法，如下所示：
Run the following command from the ssh terminal and follow the instruction:
从 ssh 终端运行以下命令并按照说明进行操作：
sudo apt-get install libsm6 libxrender1 libfontconfig1
Once its installed Open the Jupyter notebook and run following command:
安装后打开 Jupyter notebook 并运行以下命令：
!pip install opencv-contrib-python
Note: I tried to run this command: "sudo python3 -m pip install opencv-contrib-python"but it was showing an error. But above command worked for me.
注意：我尝试运行此命令：“sudo python3 -m pip install opencv-contrib-python”但它显示错误。但上面的命令对我有用。
Now refresh the notebook page and check whether it's installed or not by running import cv2in the notebook.
现在刷新笔记本页面并通过import cv2在笔记本中运行来检查它是否已安装。
