chenhuimingdeMacBook-Pro:groceryList Mch$ sudo pip3 install beautifulsoup4 The directory '/Users/Mch/Library/Caches/pip/http' or its parent directory is not owned by the current user and the cache has been disabled. Please check the permissions and o…

问题描述 出现如下错误: Command "/Users/wang/.pyenv/versions/3.3.1/bin/python3.3 -u -c "import setuptools, tokenize;file='/private/tmp/pip-build-_9zwnm/pyzmq/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();ex…

首先pyspider all启动pyspider的所有服务,然后访问http://localhost:5000创建一个爬虫任务:taobaomm,点开任务链接编辑http://localhost:5000/debug/taobaomm,默认模板:   右侧为代码编辑区,可以在crawl_config里做一些配置,具体可以参考官网API文档:http://docs.pyspider.org/en/latest/apis/self.crawl/#validate_cert,Handler共实现了三个…

一直尝试在python3中安装pandas等一系列软件,但每次执行pip3 install pandas后就卡住不动了,一直停在那,开始以为是pip命令的版本不对,还执行过 python -m pip3 install -U pip3 升级命令,发现还是不行.有了上一篇python2中安装的经验可知肯定是numpy的版本不对,查看 /usr/lib/python3/dist-packages 目录下查看发现确实是1.8的版本,而从python2中的经验可知应该至少得1.9.0以上的版本. 1.…

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…

Reference Ubuntu 18.04 只自带python3.6.5, 因此不想装python2了, 但通过apt install 装virtualenvwrapper时发现必须得装python2, 因此洁癖促使我通过pip安装, 后有了如题的错误. 安装virtualenvwrapper: # pip 装这俩 pip3 install virtualenv virtualenvwrapper # .bashrc补缀 vim ~/.bashrc # 在末尾添上(去掉注释) # export…

failed to install tomcat8 service 如下图所示:     一.安装tomcat出现failed to install tomcat6 service错误及解决方法(转载) - supbeard的日志 - 网易博客 http://blog.163.com/supbeard@126/blog/static/1402621372011231112923778/ 最近在安装tomcat时,老是给我报failed to install tomcat6 service ,ch…

ubuntu,装完PYTHON3 pip3  install 报错CalledProcessError: Command 'lsb_release -a' returned non-zero exit status 1Traceback (most recent call last): 这应该是python2和python3引起的问题 1.先在控制台输入python看看当前是python几2.lsb_release需要使用python2,查看/usr/bin/lsb_release环境是不是py…

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% |████████████████████████████████| 256kB 1.2MB/s Collecting PyDispatcher>=2.0.5 (from scrapy) Downloading PyDispatcher-2.0.5.tar.gz Collec…

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