Home Sign Up Sign In
rt95
V2EX  ›  问与答

用 scrapy 框架爬取数据时， pipelines.py 里面的 process_item 方法为什么一定要 return,又 return 到何处？

  •   
  •   rt95 · Apr 27, 2019 · 1660 views
    This topic created in 2753 days ago, the information mentioned may be changed or developed.
  • return
  • Scrapy
  • 框架
  • process_item
    2 replies  •  2019-04-28 09:15:46 +08:00
    SleipniR
    SleipniR
    Apr 27, 2019
    1
    要知道 pipeline 并非只有一个，你处理完可能别的 pipeline 还要处理。
    neptuno
    neptuno
    Apr 28, 2019 via iPhone
    2
    可以理解成放到下个环节的队列？没看过源码，只是用过几次，仅供参考
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Privacy   ·   Solana   ·   2970 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 44ms · UTC 00:49 · PVG 08:49 · LAX 16:49 · JFK 19:49
    ♥ Do have faith in what you're doing.