Python2.7/Opecv3.2 test

最新推荐文章于 2022-07-29 19:16:14 发布
最新推荐文章于 2022-07-29 19:16:14 发布
阅读量260 收藏
点赞数
CC 4.0 BY-SA版权
分类专栏： Python Ubuntu OpenCV CrossPlatform 文章标签： Python Opencv
版权声明：本文为博主原创文章，遵循 CC 4.0 BY-SA 版权协议，转载请附上原文出处链接和本声明。
本文链接：https://blog.youkuaiyun.com/hushui/article/details/87855207
本文详细记录了在Ubuntu18系统中安装并配置OpenCV与Python环境的过程，包括Python版本管理、OpenCV依赖库安装及验证OpenCV与Python2.7的兼容性。通过实际操作步骤，展示了如何解决常见问题，为开发者提供了实用指南。

摘要生成于 C知道 ，由 DeepSeek-R1 满血版支持， 前往体验 >

Ubuntu18

$ls -l /usr/bin/python*
lrwxrwxrwx 1 root root       9 Apr 16  2018 /usr/bin/python -> python2.7
lrwxrwxrwx 1 root root       9 Apr 16  2018 /usr/bin/python2 -> python2.7
-rwxr-xr-x 1 root root 3670448 Nov 12 22:31 /usr/bin/python2.7
lrwxrwxrwx 1 root root      33 Nov 12 22:31 /usr/bin/python2.7-config -> x86_64-linux-gnu-python2.7-config
lrwxrwxrwx 1 root root      16 Apr 16  2018 /usr/bin/python2-config -> python2.7-config
lrwxrwxrwx 1 root root       9 Oct 25 19:11 /usr/bin/python3 -> python3.6
-rwxr-xr-x 2 root root 4522328 Oct 22 19:32 /usr/bin/python3.6
lrwxrwxrwx 1 root root      33 Oct 22 19:32 /usr/bin/python3.6-config -> x86_64-linux-gnu-python3.6-config
-rwxr-xr-x 2 root root 4522328 Oct 22 19:32 /usr/bin/python3.6m
lrwxrwxrwx 1 root root      34 Oct 22 19:32 /usr/bin/python3.6m-config -> x86_64-linux-gnu-python3.6m-config
lrwxrwxrwx 1 root root      16 Oct 25 19:11 /usr/bin/python3-config -> python3.6-config
lrwxrwxrwx 1 root root      10 Oct 25 19:11 /usr/bin/python3m -> python3.6m
lrwxrwxrwx 1 root root      17 Oct 25 19:11 /usr/bin/python3m-config -> python3.6m-config
lrwxrwxrwx 1 root root      16 Apr 16  2018 /usr/bin/python-config -> python2.7-config
lake@lake-Latitude-5491:~$ sudo  apt-get install libopencv-dev

....................................

....................................

.................................

Setting up libopencv-highgui-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-features2d3.2:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-superres-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-features2d-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-calib3d3.2:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-stitching3.2:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-calib3d-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-objdetect-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-videostab3.2:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-stitching-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-contrib3.2:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-videostab-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-contrib-dev:amd64 (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv3.2-jni (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv3.2-java (3.2.0+dfsg-4ubuntu0.1) ...
Setting up libopencv-dev (3.2.0+dfsg-4ubuntu0.1) ...
Processing triggers for libc-bin (2.27-3ubuntu1) ...
lake@lake-Latitude-5491:~$ sudo  apt-get install python-opencv
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following additional packages will be installed:
  python-numpy
Suggested packages:
  gfortran python-nose python-numpy-dbg python-numpy-doc
The following NEW packages will be installed:
  python-numpy python-opencv
0 upgraded, 2 newly installed, 0 to remove and 325 not upgraded.
Need to get 2,472 kB of archives.
After this operation, 13.9 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
Get:1 http://cn.archive.ubuntu.com/ubuntu bionic/main amd64 python-numpy amd64 1:1.13.3-2ubuntu1 [1,938 kB]
Get:2 http://cn.archive.ubuntu.com/ubuntu bionic-updates/universe amd64 python-opencv amd64 3.2.0+dfsg-4ubuntu0.1 [535 kB]
Fetched 2,472 kB in 7s (371 kB/s)                                              
Selecting previously unselected package python-numpy.
(Reading database ... 155024 files and directories currently installed.)
Preparing to unpack .../python-numpy_1%3a1.13.3-2ubuntu1_amd64.deb ...
Unpacking python-numpy (1:1.13.3-2ubuntu1) ...
Selecting previously unselected package python-opencv.
Preparing to unpack .../python-opencv_3.2.0+dfsg-4ubuntu0.1_amd64.deb ...
Unpacking python-opencv (3.2.0+dfsg-4ubuntu0.1) ...
Setting up python-numpy (1:1.13.3-2ubuntu1) ...
Processing triggers for man-db (2.8.3-2) ...
Setting up python-opencv (3.2.0+dfsg-4ubuntu0.1) ...  

 lake@lake-Latitude-5491:~/opencv3.2-sample-ubuntu18/image$ sudo apt-get install python-opencv 
 Reading package lists... Done
Building dependency tree       
Reading state information... Done
python-opencv is already the newest version (3.2.0+dfsg-4ubuntu0.1).
0 upgraded, 0 newly installed, 0 to remove and 325 not upgraded.
 
lake@lake-Latitude-5491:~/opencv3.2-sample-ubuntu18/image$ python2.7
Python 2.7.15rc1 (default, Nov 12 2018, 14:31:15) 
[GCC 7.3.0] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>> import cv2
>>> print(cv2.__version__)
3.2.0
>>> 

 

 

### #Example 

lake@lake-Latitude-5491:~/opencv3.2-sample-ubuntu18/image$ python2.7   ./image.py 
lake@lake-Latitude-5491:~/opencv3.2-sample-ubuntu18/image$ cat ./image.py 
#!/usr/bin/python2.7  
# -*- coding: utf-8 -*-  
import cv2
img = cv2.imread('../lena.jpg')
cv2.namedWindow('Image')
cv2.imshow('Image', img)
cv2.waitKey(0)

 

python出错重新安装_在ubuntu 16.04中重新安装python3时出错
weixin_34576446的博客
01-13 2939
我使用的是Ubuntu16.04，我删除了预装的python3，想重新安装。但是，我在使用sudo apt-get -f install python3时遇到一个错误：Reading package lists... DoneBuilding dependency treeReading state information... Donepython3.5 is already the newes...
Anaconda python2.7 + opencv3.2 + mxnet 安装、配置、解决方法
zhangchenhaojifeng的博客
11-07 2463
一、Anaconda 安装与import cv2 失败 1. 从清华大学开源软件镜像站下载Anaconda,分Python3.6和2.7版本，32和64位。 地址： https://mirrors.tuna.tsinghua.edu.cn/anaconda/archive/ 我下载的是 Anaconda2-5.0.1-Linux-x86_64.sh 2. 下载之后直接bash
python3安装opencv
踏雪寻春的专栏
07-29 6941
在使用Python的时候有时候需要用到一个名为“cv2”的库，其实就是OpenCV的库。
Ubuntu安装OpenCV
Fighting！的博客
04-25 496
Ubuntu安装OpenCV
ubuntu下boot分区空间不足解决办法
verybing的专栏
10-12 2173
本文欢迎转载，但请注明来自：http://asmylife.com/?p=297 很多同学都是在自己的机器上安装双系统，也就是说用来装linux的空间不会很多。在装的过程中都喜欢把boot挂单独挂分区，一般设置100M， 可随着linux升级，往往会攒下好几个内核，某一天系统会提示你升级失败，空间不足了。。。 更改boot分区大大小不晓得可不可以做到，貌似linux下还没有无损分区的概念。
ubuntu安装python2.7出现python-minimal is already the newest version....解决方案
jainszhang的博客
01-10 1万+
错误如上图： 解决方案如下：老的包可能损坏了，需要重新安装 sudo apt-get install --reinstall python-minimal sudo apt-get upgrade
wxPython4.1文件下载Win64 For Python2.7/Python3.7/Python3.8
05-08
wxPython4.1是该库的一个稳定版本，针对Windows 64位系统进行了优化，同时兼容Python2.7、Python3.7和Python3.8这三个主要的Python版本。 **Python版本兼容性** wxPython4.1的显著特点之一就是对多个Python版本的...
Python 2.7 windows端所需的pycurl安装文件
08-03
在本文中，我们将深入探讨`pycurl`在Python 2.7版本下在Windows平台上的安装过程。 首先，`pycurl`提供了不同的构建版本，以适应不同的Python解释器和操作系统架构。在这个压缩包中，我们有两个不同版本的`pycurl`...
将 Python 2.7（3.2 及其他版本）解释器和脚本嵌入到 Android APK 中.zip
11-24
将 Python 2.7（3.2 及其他版本）解释器和脚本嵌入到 Android APK 中Android-python27将 Python 2.7（3.2 及其他）解释器和脚本嵌入到 Android APK 中该项目的目标是帮助人们将 Android 版 Python 解释器与其脚本...
Windows平台Python2.7/3.7免安装版下载
资源摘要信息:"该资源包含了两个版本的Python，分别是Python 2.7和Python 3.7的免安装Windows版本。这两个版本的Python都内置了pip包管理工具，使得安装和管理Python包变得简单快捷。Python作为一种广泛使用的高级...
python3之opencv安装
专注技术分享
11-16 4万+
一、安装pip3 install numpy pip3 install opencv-python 以上在ubunt上安装成功，但是在树莓派安装失败，在树莓派上Python2可以使用apt install python-opencv安装成功，Python3只能自己编译二、树莓派在python3中安装opencv参考网页：https://www.cnblogs.com/lynsyklate/p/771
uboot编译 sh: 1: python: not found ，cripts/dtc/pylibfdt/_libfdt.so' failed解决
消雨匆匆
04-24 5284
如果排查的思路对你有帮助，请记住 消雨匆匆 or 大吊工。码字和排查很累，仅此而已 编译Uboot出现以下错误， /bin/sh: 1: python: not found scripts/dtc/pylibfdt/Makefile:26: recipe for target 'scripts/dtc/pylibfdt/_libfdt.so' failed make[3]: *** [sc...
ubuntu安装python包_ubuntu16.04安装python3的包报错
weixin_39917090的博客
11-21 260
该楼层疑似违规已被系统折叠 隐藏此楼查看此楼Reading package lists... DoneBuilding dependency treeReading state information... Donepython-scipy is already the newest version (0.17.0-1).0 upgraded, 0 newly installed, 0 to re...
opencv的安装、配置及所遇问题（Ubuntu16.04 + OpenCV3.4.2 + Python3.6）
u013093426的博客
05-14 2825
安装opencv对好多首次安装的开发者来说都是一场勇气和运气的较量，同样也是我在安装Ubuntu下安装过的众多软件包中最为波折的一款，在此记录安装过程中出现的各种error。 幸运女神眷顾的安装顺序 1.安装ubuntu下的依赖项 $ sudo apt-get install build-essential $ sudo apt-get install cmake git libgtk2....
从源码安装ＯpenCV，使用python3生成opencv-python(cv2)的接口
轻宇的博客
07-22 2万+
1.OpenCV源码下载 https://github.com/opencv 需要的有两个部分：opencv 和opencv_contrib　这两个部分悬着相同的版本，opencv_contrib是opencv的扩充． 2.cmake 配置 安装cmake-gui 在opencv3.4.1中创建一个build文件夹，并将opencv_contrib-3.4.1(扩展库）...
Ubuntu 16.04 下 源码安装 opencv3.4（遇到各种坑之后安装成功）
chen280085871的博客
04-18 3613
Linux下自带 python2 和 python3，按道理来说是 安装pip 和 pip3  之后是可以直接安装 opencv的， 但是在使用时会遇到错误，cv2.imshow()函数出错，如下：此时自己内心的os是非常难过的，就去网上查找答案，最终得出自己的结论是，利用pip安装得到的是别人已经配置好了环境的opencv，别人的电脑系统和一些配置与自己的是不一样的，所以就会出错。得出了如下可行...
Python 自省指南 如何监视您的 Python 对象
weixin_34138139的博客
11-15 278
Patrick K. O'Brien (pobrien@orbtech.com), Python 程序员, Orbtech   简介： 自省揭示了关于程序对象的有用信息。Python 是动态的面向对象的编程语言，提供了很棒的自省支持。本文展示了该语言的许多能力，从最基本形式的帮助到较为高级形式的调查。 什么是自省？ 在日常生活中，自省（introspection）是一种自我检查行为。自省是...
mac python安装opencv_Mac + PyCharm 安装 Opencv3 + python2.7
weixin_42246401的博客
02-07 1063
今天要在Mac上安装OpenCV，过程非常曲折，充分体会到了每个人的安装过程都是不同的具体参考了以下几篇博客：在参考 [1] 的过程中，还下载了Anaconda，其实最后都没有用上另外推荐一本学习Python的书：下面是正式安装过程，目的是使用PyCharm进行Python开发// 更新：可以不安装虚拟环境，直接跳到第二节，选择系统默认的python2.7即可// 再更新，其实可以在Pycharm...
AOSP8.1 Build aosp_x86_64-eng
热门推荐
hushui的专栏
07-02 5万+
Host Linux/64bit x86-64 Ubutu or RHEL7.x 1. Build refer to aosp8.1/aosp_arm-eng https://blog.csdn.net/hushui/article/details/80744702 lake@localhost:~/Google/android-8.1.0_r1_OPM6.171019.030...
su -s /bin/sh -c "keystone-manage db_sync" keystone /usr/lib/python2.7/site-packages/requests/__init__.py:91: RequestsDependencyWarning: urllib3 (1.10.2) or chardet (3.0.4) doesn&#39;t match a supported version! RequestsDependencyWarning) Traceback (most recent call last): File "/usr/bin/keystone-manage", line 6, in <module> from keystone.cmd.manage import main File "/usr/lib/python2.7/site-packages/keystone/cmd/manage.py", line 19, in <module> from keystone.cmd import cli File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 29, in <module> from keystone.cmd import bootstrap File "/usr/lib/python2.7/site-packages/keystone/cmd/bootstrap.py", line 17, in <module> from keystone.common import driver_hints File "/usr/lib/python2.7/site-packages/keystone/common/driver_hints.py", line 18, in <module> from keystone import exception File "/usr/lib/python2.7/site-packages/keystone/exception.py", line 20, in <module> import keystone.conf File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 20, in <module> from osprofiler import opts as profiler File "/usr/lib/python2.7/site-packages/osprofiler/opts.py", line 18, in <module> from osprofiler import web File "/usr/lib/python2.7/site-packages/osprofiler/web.py", line 20, in <module> from osprofiler import profiler File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 27, in <module> from osprofiler import notifier File "/usr/lib/python2.7/site-packages/osprofiler/notifier.py", line 16, in <module> from osprofiler.drivers import base File "/usr/lib/python2.7/site-packages/osprofiler/drivers/__init__.py", line 4, in <module> from osprofiler.drivers import loginsight # noqa File "/usr/lib/python2.7/site-packages/osprofiler/drivers/loginsight.py", line 25, in <module> import requests File "/usr/lib/python2.7/site-packages/requests/__init__.py", line 94, in <module> from urllib3.exceptions import DependencyWarning ImportError: cannot import name DependencyWarning [root@controller ~]# su -s /bin/sh -c "keystone-manage db_sync" keystone /usr/lib/python2.7/site-packages/requests/__init__.py:91: RequestsDependencyWarning: urllib3 (1.10.2) or chardet (3.0.4) doesn&#39;t match a supported version! RequestsDependencyWarning) Traceback (most recent call last): File "/usr/bin/keystone-manage", line 6, in <module> from keystone.cmd.manage import main File "/usr/lib/python2.7/site-packages/keystone/cmd/manage.py", line 19, in <module> from keystone.cmd import cli File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 29, in <module> from keystone.cmd import bootstrap File "/usr/lib/python2.7/site-packages/keystone/cmd/bootstrap.py", line 17, in <module> from keystone.common import driver_hints File "/usr/lib/python2.7/site-packages/keystone/common/driver_hints.py", line 18, in <module> from keystone import exception File "/usr/lib/python2.7/site-packages/keystone/exception.py", line 20, in <module> import keystone.conf File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 20, in <module> from osprofiler import opts as profiler File "/usr/lib/python2.7/site-packages/osprofiler/opts.py", line 18, in <module> from osprofiler import web File "/usr/lib/python2.7/site-packages/osprofiler/web.py", line 20, in <module> from osprofiler import profiler File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 27, in <module> from osprofiler import notifier File "/usr/lib/python2.7/site-packages/osprofiler/notifier.py", line 16, in <module> from osprofiler.drivers import base File "/usr/lib/python2.7/site-packages/osprofiler/drivers/__init__.py", line 4, in <module> from osprofiler.drivers import loginsight # noqa File "/usr/lib/python2.7/site-packages/osprofiler/drivers/loginsight.py", line 25, in <module> import requests File "/usr/lib/python2.7/site-packages/requests/__init__.py", line 94, in <module> from urllib3.exceptions import DependencyWarning ImportError: cannot import name DependencyWarning 您在 /var/spool/mail/root 中有邮件 [root@controller ~]# su -s /bin/sh -c "keystone-manage db_sync" keystone /usr/lib/python2.7/site-packages/requests/__init__.py:91: RequestsDependencyWarning: urllib3 (1.10.2) or chardet (3.0.4) doesn&#39;t match a supported version! RequestsDependencyWarning) Traceback (most recent call last): File "/usr/bin/keystone-manage", line 6, in <module> from keystone.cmd.manage import main File "/usr/lib/python2.7/site-packages/keystone/cmd/manage.py", line 19, in <module> from keystone.cmd import cli File "/usr/lib/python2.7/site-packages/keystone/cmd/cli.py", line 29, in <module> from keystone.cmd import bootstrap File "/usr/lib/python2.7/site-packages/keystone/cmd/bootstrap.py", line 17, in <module> from keystone.common import driver_hints File "/usr/lib/python2.7/site-packages/keystone/common/driver_hints.py", line 18, in <module> from keystone import exception File "/usr/lib/python2.7/site-packages/keystone/exception.py", line 20, in <module> import keystone.conf File "/usr/lib/python2.7/site-packages/keystone/conf/__init__.py", line 20, in <module> from osprofiler import opts as profiler File "/usr/lib/python2.7/site-packages/osprofiler/opts.py", line 18, in <module> from osprofiler import web File "/usr/lib/python2.7/site-packages/osprofiler/web.py", line 20, in <module> from osprofiler import profiler File "/usr/lib/python2.7/site-packages/osprofiler/profiler.py", line 27, in <module> from osprofiler import notifier File "/usr/lib/python2.7/site-packages/osprofiler/notifier.py", line 16, in <module> from osprofiler.drivers import base File "/usr/lib/python2.7/site-packages/osprofiler/drivers/__init__.py", line 4, in <module> from osprofiler.drivers import loginsight # noqa File "/usr/lib/python2.7/site-packages/osprofiler/drivers/loginsight.py", line 25, in <module> import requests File "/usr/lib/python2.7/site-packages/requests/__init__.py", line 94, in <module> from urllib3.exceptions import DependencyWarning ImportError: cannot import name DependencyWarning
最新发布
06-08
我们正在处理的问题是在执行`keystone-managedb_sync`时出现的错误：`ImportError:cannotimportnameDependencyWarning`根据错误信息，问题出在Python2.7环境下，与`DependencyWarning`的导入有关。结合引用的内容，...
评论
添加红包

请填写红包祝福语或标题

个

红包个数最小为10个

元

红包金额最低5元

当前余额3.43元 前往充值 >
需支付：10.00元
成就一亿技术人!
领取后你会自动成为博主和红包主的粉丝 规则
hope_wisdom
发出的红包
实付元
使用余额支付
点击重新获取
扫码支付
钱包余额 0

抵扣说明：

1.余额是钱包充值的虚拟货币，按照1:1的比例进行支付金额的抵扣。
2.余额无法直接购买下载，可以购买VIP、付费专栏及课程。

余额充值