mac系统 pip3 install scrapy 失败 No local packages or working download links found for incremental>=16.10.1 使用pip3 install scrapy命令之后,会出现如下问题: Collecting scrapy Downloading Scrapy-1.4.0-py2.py3-none-any.whl (248kB) 100% |████████████████████████████████|…

主要错误提示如下: ld: library not found for -lssl clang: error: linker command failed with exit code 1 (use -v to see invocation) error: command 'clang' failed with exit status 1 ---------------------------------------- Failed building wheel for mysqlclient…

执行 sudo apt-get install libmysqlclient-dev, 然后执行 pip3 install mysqlclient 成功.…

接上片... 问题 virtualenvwrapper装好后, 发现使用mkvirtualenv XX时, 又找不到virtualenv了... apt install python3-virtualenv的virtualenv找不到, apt install virtualenv的virtualenv又报缺少python2的path. 解决: 我又想起了上个问题的解决方法, 在~/.local/bin/下找到了virtualenv文件, 这可能就是python3-virtualenv所对应的了…

mac brew install redis 报错 /usr/local/opt/php55/bin/phpize /usr/local/opt/php55/bin/phpize: line 61: /usr/local/Library/ENV/4.3/sed: No such file or directory /usr/local/opt/php55/bin/phpize: line 62: /usr/local/Library/ENV/4.3/sed: No such file or di…

更新项目依赖包,删除掉package-lock.json.node_modules,运行npm install,报如上错误信息,查询资料说是没有权限,本人用管理员身份打开powershell,运行npm install,依旧报错.后来查询https://stackoverflow.com/questions/46020018/error-eperm-operation-not-permitted-unlink-d-sources-node-modules-fseven 使用方法:在vscode中…

# 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…

composer install thinkphp6 报错 Parse error: syntax error, unexpected ':', expecting '{' in vendor\topthink\think-helper\src\helper.php on line 233 执行安装语句 composer create-project topthink/think tp 查找原因原来是 php 的版本不对,官方文档 ThinkPHP 6.0 的环境要求如下: PHP >= 7.1…

错误描述: [root@eshop-cache01 local]# gem install redis ERROR: Loading command: install (LoadError) cannot load such file -- zlib ERROR: While executing gem ... (NoMethodError) undefined method `invoke_with_build_args' for nil:NilClass 解决方案: 报错原因 缺少zlib库…

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…

解决mvn clean install的报错The packaging for this project did not assign a file to the build artifact…

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…

汉化版的sublime text安装软件包的时候报错如下: There are no packages available for install 打开控制台,ctrl+~,然后看到如下错误: Package Control: Channel http://www.anchen8.net/channel.php does not appear to be a valid channel file because the "schema_version" is not a valid n…

最近准备想用vue-cli初始化一个项目,需要sass-loader编译: 发现window下npm install node-sass和sass-loader一直报错, window 命令行中提示我全局安装 node-gyp ,有些提示好像是本地找不到python, 于是我按照提示安装node-gyp node-gyp是一个用Node.js编写的跨平台命令行工具,用于编译Node.js的本地插件模块. node-gyp node-gyp官方网址https://www.npmjs.com/pac…

报错信息如下: Error: Running Homebrew as root is extremely dangerous and no longer supported. As Homebrew does not drop privileges on installation you would be giving all build scripts full access to your system.解决方法: 命令:sudo chown -R 用户名 /usr/local 再次报错:c…

本人在CentOS7上在 执行”gem install rmagick“是报错,具体情况如下: 报错如下: [root@localhost ~]# gem install rmagick -v '2.16.0'Building native extensions. This could take a while...ERROR: Error installing rmagick: ERROR: Failed to build gem native extension. current direc…

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…

打包报错, mvn install后加上参数-Dgpg.skip,例如:mvn install -Dgpg.skip   即可解决. 我们也可以去掉 这个 插件   <plugin>                <groupId>org.apache.maven.plugins</groupId>                <artifactId>maven-gpg-plugin</artifactId>                &l…

在执行gem install redis时 提示:    gem install redis    ERROR:  Error installing redis:            redis requires Ruby version >= 2.2.2. 查了查资料,CentOS7 yum库中ruby的版本支持到 2.0.0,可gem 安装redis需要最低是2.2.2,自己编译的ruby源码,再执行还是报错…最后google结合几篇文章解决了: 采用rvm来更新ruby: 1.安装RVM…

npm install 安装插件的时候,fsevents报错,这是node 8.x版本的问题,解决办法,把node 版本切换到6.x…

intellij中install报错:The packaging for this project did not assign a file to the build artifact 原因是run/eidt configuration -> maven -> preject name -> Parameters -> command line中是install:install. 改成install就可以了. 备注:idea中run/eidt configuration 位置:…

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…

最近准备想用vue-cli初始化一个项目,需要sass-loader编译: 发现window下npm install node-sass和sass-loader一直报错, window 命令行中提示我全局安装 node-gyp ,有些提示好像是本地找不到python, 于是我按照提示安装node-gyp node-gyp是一个用Node.js编写的跨平台命令行工具,用于编译Node.js的本地插件模块. node-gyp node-gyp官方网址https://www.npmjs.com/pac…

很多用户在使用sumblime安装插件的时候,打开package control的install package会出现报错:There are no packages available for installation.如下图: 之所以会出现这种错误的原因是因为sublime中的包管理install package依赖一个channel_v3.json文件,而这个json文件默认每次打开package control都会从一个网址下载,而当网址未响应的时候(实事证明经常出问题),就会出现报错.…

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…