安裝命令列工具

xcode-select --install 

已經安裝xcode的,在其偏好設定中指定

pip install scrapy

驗證

安裝好之後再終端輸入scrapy,出現如下提示,則安裝成功

Usage:
  scrapy <command> [options] [args]

Available commands:
  bench         Run quick benchmark test
  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

常見報錯

command '/usr/bin/clang' failed with exit status 1沒有安裝命令列工具