scrapy/scrapy — pull request #876 by nramirezuy (2014-09-03 20:25:43+00:00)
Title: sargs available on update_settings

With sargs available on updated_settings we can make use of more dynamic configurations.

One example could be `scrapy crawl spider -a debug=yes` where `debug=yes` disables a `FeedExporter` that upload to s3.