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more updates to spider middleware doc

This commit is contained in:
Pablo Hoffman 2009-09-04 13:46:04 -03:00
parent d04640be5c
commit aefb94063a
1 changed files with 6 additions and 5 deletions
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11
docs/topics/spider-middleware.rst
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@ -66,14 +66,15 @@ single Python class that defines one or more of the following methods:
iterable of :class:`~scrapy.http.Request` or :class:`~scrapy.item.Item`
objects.
If it returns ``None``, Scrapy will continue processing this response,
If returns ``None``, Scrapy will continue processing this response,
executing all other middlewares until, finally, the response is handled
to the spider for processing.
If returns an iterable, Scrapy won't bother calling ANY other spider
middleware ``process_spider_input()`` and will return the iterable back
in the other direction for the ``process_spider_exception()`` and
``process_spider_output()`` methods to hook it.
If returns an iterable, Scrapy won't bother calling any other spider
middleware :meth:`process_spider_input` and will return the iterable
back in the other direction for the :meth:`process_spider_output` to
process it, or the :meth:`process_spider_exception` if it raised an
exception.
:param reponse: the response being processed
:type response: :class:`~scrapy.http.Response` object