python - 如何在python中的scrapy中启用cookiemiddleware

Question

在他们的文档中 http://doc.scrapy.org/en/latest/topics/downloader-middleware.html#cookies-mw

他们告诉我启用 cookie middle ，但我无法找到如何做到这一点以及为此编辑哪个文件。谁能告诉我我该怎么做

Answer 1

更新 cookie 似乎默认位于中间件中，因此只需 COOKIES_ENABLED = True 就足够了。如果中间件不是默认设置的一部分，则只需要以下内容...

据我从 doc.scrapy.org/en/latest/topics/downloader-middleware.html 可以看出你添加 'scrapy.contrib.downloadermiddleware.cookies.CookiesMiddleware' 到具有相关顺序的 DOWNLOADER_MIDDLEWARE:

To activate a downloader middleware component, add it to the DOWNLOADER_MIDDLEWARES setting, which is a dict whose keys are the middleware class paths and their values are the middleware orders.

DOWNLOADER_MIDDLEWARES = {
    'myproject.middlewares.CustomDownloaderMiddleware': 543,
    'scrapy.contrib.downloadermiddleware.cookies.CookiesMiddleware': 700 # <-
}

700 来自 http://doc.scrapy.org/en/latest/topics/downloader-middleware.html#built-in-downloader-middleware-reference 处的默认 DOWNLOADER_MIDDLEWARES_BASE 然后将 COOKIES_ENABLED = True(以及可选的 COOKIES_DEBUG = True)与您的其余设置一起放置。