转载请标明本文链接:(https://www.cnblogs.com/softwarecb/p/python-backports-ssl.html) 系统版本Ubuntu14.04 因为要用Containernet做实验,根据官网安装文档安装Containernet.Container是Mininet的一个分支,可以用Docker Container作为mininet网络的Host,其中包含了Dockers. 根据官网教程死活安装不上,错误如下显示找不到python-backports.ssl-

# 故障描述 shell > pip install gensim # 报错信息如下: Command "c:\users\op\appdata\local\programs\python\python35\python.exe -u -c "import setuptools, tokenize;__file__='C:\\Users\\op\\AppData\\Local\\Temp\\pip-bu ild-x0lf1g8n\\scipy\\setup.py';f=getat

窗口命令pip install PIL(python3.6+selenium——2.53.1+pycharm) from PIL import Image from selenium import webdriverd=webdriver.Firefox()d.get('http://www.baidu.com')# 窗口最大化d.maximize_window()time.sleep(1)# 进行全屏截图d.get_screenshot_as_file('c:\mark666.png')# 定

(一)问题描述 Centos7 安装python-igraph时,pip install python-igraph 报错,C core of igraph 没有安装. failure: repodata/repomd.xml from base: [Errno ] No more mirrors to try. Cannot find the C core of igraph on this system using pkg-config. We will now try to downloa

最近在安装mysql -python 时报错折腾了半天,通过以下方法解决: 1. pip install mysql-python报错 Unable to find vcvarsall.bat (参考网上链接http://blog.csdn.net/secretx/article/details/17472107) 解决方法:我的vs版本是2013所以设置环境变量: VS90COMNTOOLS=%VS120COMNTOOLS% 设置好后错误Unable to find vcvarsall.bat

pip install MySQL-python 报错 pip install MySQL-python DEPRECATION: Python . Please upgrade your Python as Python 2.7 won't be maintained after that date. A future version of pip will drop support for Python 2.7. Looking in indexes: http://mirrors.clou

安装个distribute或nose或lpthw.web或virtualenv 都可能出现下面问题   root@kali:~# pip install distribute Collecting distribute Exception: Traceback (most recent call last):   File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main     statu

环境 Centos 7(其他Centos或者RHEL一样) 问题 在执行 pip install MySQL-python 时报错如: Command "python setup.py egg_info" failed with error code 1 in /tmp/pip-build-P6IAnP/mysql-python/ 解决方法 缺少mysql-devel yum install -y mysql-devel 如果不行请执行以下安装更多 yum install -y pyt

安装locust时, 执行pip install locustio时报错 ERROR: Cannot uninstall 'requests'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall. 解决方式 sudo pip install locustio

pip install cv2 安装cv2报错: Could not find a version that satisfies the requirement cv2 (from versions: )No matching distribution found for cv2 解决方案:安装opencv-python代替cv2 pip install opencv-python

emm今天群友发了个图,说他的pip报错,是这个问题 emmm这个问题我也不太懂,后来让他pip install requests这样操作,, 还是不管用,我寻思这个错咋回事,让他用  python -m pip install --upgrade pip 抱着试试的心态 ...成功了

matplotlib是python中强大的画图模块. 首先确保已经安装python,然后用pip来安装matplotlib模块. 进入到cmd窗口下,建议执行python -m pip install -U pip setuptools进行升级. 接着键入python -m pip install matplotlib进行自动的安装,系统会自动下载安装包. 安装完成后,可以用python -m pip list查看本机的安装的所有模块,确保matplotlib已经安装成功. 如果你能看的上面的m

在安装pywinauto模块,导入模块后,提示缺少:win32api 但是在使用pip install安装win32api后,居然报错 错误信息如下: Could not find a version that satisfies the requirement win32api (from versions: ) No matching distribution found for win32api 所以找了一些文档,最有用安装pypiwin32后成功解决win32api不能安装问题: pip

ERROR: Cannot uninstall 'tornado' ERROR: Cannot uninstall 'tornado'. It is a distutils installed project and thus we cannot accurately determine which files belong to it which would lead to only a partial uninstall. pip install --ignore-installed <库名

1.配置python环境之后想使用Jupyter,网上查看可以使用pip install Jupyter安装,执行命令行后正常安装,安装到一半以后报错,如图1.2 图1 图2 2.发现是安装过程中安装到pyzmq一直报错 3.手动更新pip之后依然报这样的错 4.于是手动更新pyzmq,如图 5.手动更新pyzmq之后,再次执行pip install jupyter安装成功 6.安装完成后启动jupyter,启动完成后发现进去默认文件路径不是自己想要的路径 7.执行jupyter noteboo

报错截图 一般情况是系统没有安装libmysqld-dev 执行 sudo apt install libmysqld-dev完成安装后再 pip install mysqlclient就可以了(系统环境Ubuntu18.04)

最近在研究Python,安装scrapy过程中报错如下图: 尝试找了一下解决方式:下载已经编译好的.whl安装包 步骤如下: 1.下载与Python版本和系统版本相匹配的Twisted包,网址:http://www.lfd.uci.edu/~gohlke/pythonlibs/#pip 2.pip install D:\Twisted-17.9.0-cp35-cp35m-win_amd64.whl(whl 包的保存路径) 3.pip install scrpay 安装成功如下图所示: 可以使用s

cmd pip install 某些包时报错 pip install Consider using the `--user` option or check the permissions. 只需要pip install --user package就可以解决  https://study.163.com/provider/400000000398149/index.htm?share=2&shareId=400000000398149( 欢迎关注博主主页,学习python视频资源,还有大量免费

Failed building wheel for Twisted inculde/site/python3./Twisted failed with error code in tmp/pip-install-y4-0q..... sudo apt-get install build-essential libssl-dev libffi-dev python3.5-dev# 或者 sudo aptitude install python3.5-dev pip install scrapy 搞

报错: 下载地址: https://www.lfd.uci.edu/~gohlke/pythonlibs/#mysql-python

我的环境: ubuntu 1604 版本, 在黑屏终端已经安装了django和virtualenv虚拟环境, 在创建了django的models后开始迁移的操作, 出现错误, 错误代码最后如题目 可以这样解决: 切出虚拟环境,  进入ubuntu的root账户, 输入apt-get -y install mysql-server mysql-client libmysqlclient-dev  mytop 然后回车开始安装,  完成后, 继续进入虚拟django环境, 输入pip install