Exceptions

Built-in Exceptions reference

System Message: ERROR/3 (<stdin>, line 7)

Unknown directive type "module".

.. module:: scrapy.core.exceptions
   :synopsis: Core exceptions

Here's a list of all exceptions included in Scrapy and their usage.

System Message: ERROR/3 (<stdin>, line 20)

Unknown directive type "exception".

.. exception:: DropItem

The exception that must be raised by item pipeline stages to stop processing an Item. For more information see :ref:`topics-item-pipeline`.

System Message: ERROR/3 (<stdin>, line 22); backlink

Unknown interpreted text role "ref".

System Message: ERROR/3 (<stdin>, line 28)

Unknown directive type "exception".

.. exception:: IgnoreRequest

This exception can be raised by the Scheduler or any downlaoder middleware to indicate that the request should be ignored.

System Message: ERROR/3 (<stdin>, line 36)

Unknown directive type "exception".

.. exception:: NotConfigured

This exception can be raised by some components to indicate that they will remain disabled. Those component include:

Extensions

Item pipelines

Downloader middlwares

Spider middlewares

The exception must be raised in the component constructor.

System Message: ERROR/3 (<stdin>, line 51)

Unknown directive type "exception".

.. exception:: NotSupported

This exception is raised to indicate an unsupported feature.

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