Search bar offers the following options:
+foo bar -baz
foo*
+qname:twisted.mail.* +search
Possible fields: 'name', 'qname' (fully qualified name), 'docstring', and 'kind'. Last two fields are only applicable if "search in docstrings" is enabled.
foo~1
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ContractFail
exceptions
CloseSpider
DontCloseSpider
DropItem
IgnoreRequest
NotConfigured
NotSupported
ScrapyDeprecationWarning
StopDownload
UsageError
_InvalidOutput
scrapy.exceptions.ContractFail
scrapy
class ContractFail(AssertionError): (source)
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Error raised in case of a failing contract