scrapy/scrapy — pull request #401 by LorenDavie (2013-09-28 13:05:34+00:00)
Title: Added dynamic creation of item classes to practices.rst. Issue

As requested in issue [398](https://github.com/scrapy/scrapy/issues/398), an update to practices.rst showing the dynamic creation of item classes. Good for when the extracted data changes according to user input.