updated Scrapy architecture doc by adding reference to Scheduler middlewares. refs #31

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extra : convert_revision : svn%3Ab85faa78-f9eb-468e-a121-7cced6da292c%401031
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Pablo Hoffman 2009-04-03 00:43:09 +00:00
parent 8757359775
commit 931c29eabc
3 changed files with 9 additions and 1 deletions

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@ -18,7 +18,7 @@ also described below.
.. image:: _images/scrapy_architecture.png
:width: 700
:height: 468
:height: 494
:alt: Scrapy architecture
Components
@ -77,6 +77,14 @@ requests). They provide a convenient mechanism for extending Scrapy
functionality by plugging custom code. For more information see
:ref:`topics-spider-middleware`.
Scheduler middlewares
---------------------
Spider middlewares are specific hooks that sit between the Engine and the
Scheduler and process requests when they pass from the Engine to the Scheduler
and vice-versa. They provide a convenient mechanism for extending Scrapy
functionality by plugging custom code.
Data flow
=========