mirror of https://github.com/scrapy/scrapy.git
49 lines
1.0 KiB
Python
49 lines
1.0 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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from scrapy import log
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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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def __init__(self, msg='', level=log.ERROR):
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self.msg = msg
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self.level = level
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def __str__(self):
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return self.msg
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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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# 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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