在Python3.5中安装Scrapy第三方库 pip install Scrapy 安装到后面出现的这类错误: error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools 按照提示是需要安装一个C++14.0的一个库,在https://www.
前面的安装报错信息 ansible模块安装报错:Could not install packages due to an OSError: [Errno 2] No such file or directory:先升级pip版本,如果不指定国内源,容易更新失败(venv) D:\python_mcw\venv\Scripts>D:\python_mcw\venv\Scripts\python.exe -m pip install --upgrade pip -i https://pypi.tun