实际上需要调用get_project_settings，在已发布的代码中传递给爬虫的Settings对象将为你提供默认值，而不是你的特定项目设置。你需要编写如下内容：
from scrapy.utils.project import get_project_settings
settings = get_project_settings()
crawler = Crawler(settings)
从脚本运行scrapy，不包括管道
从脚本运行scrapy，不包括管道
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