scrapy.exceptions

module documentation

(source)

Scrapy core exceptions These exceptions are documented in docs/topics/exceptions.rst. Please don't add new exceptions here without documenting them there.

Exception	`CloseSpider`	Raise this from callbacks to request the spider to be closed
Exception	`ContractFail`	Error raised in case of a failing contract
Exception	`DontCloseSpider`	Request the spider not to be closed yet
Exception	`DropItem`	Drop item from the item pipeline
Exception	`IgnoreRequest`	Indicates a decision was made not to process a request
Exception	`NotConfigured`	Indicates a missing configuration situation
Exception	`NotSupported`	Indicates a feature or method is not supported
Exception	`ScrapyDeprecationWarning`	Warning category for deprecated features, since the default DeprecationWarning is silenced on Python 2.7+
Exception	`StopDownload`	Stop the download of the body for a given response. The 'fail' boolean parameter indicates whether or not the resulting partial response should be handled by the request errback. Note that 'fail' is a keyword-only argument.
Exception	`UsageError`	To indicate a command-line usage error
Exception	`_InvalidOutput`	Indicates an invalid value has been returned by a middleware's processing method. Internal and undocumented, it should not be raised or caught by user code.