mac下scrapy的安装-ag真人游戏

1. mac自带python 的版本是2.7

 python --version
python 2.7.16

1. 安装3.7版本，设置别名为python3

 brew install python3

1. 安装pip到python3环境

 curl https://bootstrap.pypa.io/get-pip.py | python3

1. 安装xcode命令行工具

 xcode-select --install

1. 安装scrapy

 pip install scrapy

1. 安装成功

 scrapy
scrapy 2.2.0 - no active project
usage:
  scrapy  [options] [args]
available commands:
  bench         run quick benchmark test
  commands
  fetch         fetch a url using the scrapy downloader
  genspider     generate new spider using pre-defined templates
  runspider     run a self-contained spider (without creating a project)
  settings      get settings values
  shell         interactive scraping console
  startproject  create new project
  version       print scrapy version
  view          open url in browser, as seen by scrapy
  [ more ]      more commands available when run from project directory
use "scrapy  -h" to see more info about a command