xcode-select --install ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" brew search python brew install python3 pip3 install scrapy
检测scrapy版本:scrapy version
xcode-select --install ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" brew search python brew install python3 pip3 install scrapy
检测scrapy版本:scrapy version