mirror of https://github.com/scrapy/scrapy.git
46 lines
1.1 KiB
Python
46 lines
1.1 KiB
Python
"""
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Scrapy core exceptions
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These exceptions are documented in docs/topics/exceptions.rst. Please don't add
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new exceptions here without documenting them there.
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"""
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# Internal
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class NotConfigured(Exception):
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"""Indicates a missing configuration situation"""
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pass
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# HTTP and crawling
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class IgnoreRequest(Exception):
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"""Indicates a decision was made not to process a request"""
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class DontCloseSpider(Exception):
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"""Request the spider not to be closed yet"""
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pass
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class CloseSpider(Exception):
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"""Raise this from callbacks to request the spider to be closed"""
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def __init__(self, reason='cancelled'):
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self.reason = reason
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# Items
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class DropItem(Exception):
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"""Drop item from the item pipeline"""
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pass
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class NotSupported(Exception):
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"""Indicates a feature or method is not supported"""
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pass
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# Commands
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class UsageError(Exception):
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"""To indicate a command-line usage error"""
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def __init__(self, *a, **kw):
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self.print_help = kw.pop('print_help', True)
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super(UsageError, self).__init__(*a, **kw)
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