1.5 KiB
Exceptions
Built-in Exceptions reference
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Unknown directive type "module".
.. module:: scrapy.exceptions :synopsis: Scrapy exceptions
Here's a list of all exceptions included in Scrapy and their usage.
DropItem
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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".CloseSpider
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Unknown directive type "exception".
.. exception:: CloseSpider(reason='cancelled')
This exception can be raised from a spider callback to request the spider to be
closed/stopped. Supported arguments:
:param reason: the reason for closing
:type reason: str
For example:
def parse_page(self, response):
if 'Bandwidth exceeded' in response.body:
raise CloseSpider('bandwidth_exceeded')
IgnoreRequest
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Unknown directive type "exception".
.. exception:: IgnoreRequest
This exception can be raised by the Scheduler or any downloader middleware to indicate that the request should be ignored.
NotConfigured
System Message: ERROR/3 (<stdin>, line 53)
Unknown directive type "exception".
.. exception:: NotConfigured
This exception can be raised by some components to indicate that they will remain disabled. Those components include:
- Extensions
- Item pipelines
- Downloader middlewares
- Spider middlewares
The exception must be raised in the component's __init__ method.
NotSupported
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Unknown directive type "exception".
.. exception:: NotSupported
This exception is raised to indicate an unsupported feature.