scrapy学习：环境及安装

记录一下自己在 MacOs 下安装 scrapy 的过程

利用 pip 安装

# 查看 pip 情况
❯ pip --version
pip 21.3.1 from /usr/local/lib/python3.9/site-packages/pip (python 3.9)

# 安装 scrapy
❯ pip install scrapy

查看 scrapy 安装情况

❯ scrapy --version
Scrapy 2.5.1 - no active project

Usage:
  scrapy <command> [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 <command> -h" to see more info about a command

参考 

• https://scrapy.org/
• https://docs.scrapy.org/en/latest/