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Fix the description of the ScreenshotPipeline example item pipeline

This commit is contained in:
Adrián Chaves 2020-05-22 18:06:54 +02:00
parent 6f3e3411b1
commit 08756cd87a
1 changed files with 7 additions and 5 deletions
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12
docs/topics/item-pipeline.rst
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@ -167,11 +167,13 @@ method and how to clean up the resources properly.::
Take screenshot of item
-----------------------
This example demonstrates how to return a
:class:`~twisted.internet.defer.Deferred` from the :meth:`process_item` method.
It uses Splash_ to render screenshot of item url. Pipeline
makes request to locally running instance of Splash_. After request is downloaded,
it saves the screenshot to a file and adds filename to the item.
This example demonstrates how to use :doc:`coroutine syntax <coroutines>` in
the :meth:`process_item` method.
This item pipeline makes a request to a locally-running instance of Splash_ to
render a screenshot of the item URL. After the request response is downloaded,
the item pipeline saves the screenshot to a file and adds the filename to the
item.
::