98 lines
2.0 KiB
Python
98 lines
2.0 KiB
Python
# -*- test-case-name: twisted.names.test -*-
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# Copyright (c) Twisted Matrix Laboratories.
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# See LICENSE for details.
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"""
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Exception class definitions for Twisted Names.
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"""
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from __future__ import division, absolute_import
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from twisted.internet.defer import TimeoutError
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class DomainError(ValueError):
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"""
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Indicates a lookup failed because there were no records matching the given
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C{name, class, type} triple.
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"""
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class AuthoritativeDomainError(ValueError):
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"""
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Indicates a lookup failed for a name for which this server is authoritative
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because there were no records matching the given C{name, class, type}
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triple.
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"""
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class DNSQueryTimeoutError(TimeoutError):
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"""
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Indicates a lookup failed due to a timeout.
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@ivar id: The id of the message which timed out.
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"""
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def __init__(self, id):
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TimeoutError.__init__(self)
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self.id = id
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class DNSFormatError(DomainError):
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"""
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Indicates a query failed with a result of C{twisted.names.dns.EFORMAT}.
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"""
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class DNSServerError(DomainError):
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"""
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Indicates a query failed with a result of C{twisted.names.dns.ESERVER}.
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"""
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class DNSNameError(DomainError):
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"""
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Indicates a query failed with a result of C{twisted.names.dns.ENAME}.
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"""
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class DNSNotImplementedError(DomainError):
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"""
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Indicates a query failed with a result of C{twisted.names.dns.ENOTIMP}.
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"""
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class DNSQueryRefusedError(DomainError):
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"""
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Indicates a query failed with a result of C{twisted.names.dns.EREFUSED}.
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"""
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class DNSUnknownError(DomainError):
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"""
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Indicates a query failed with an unknown result.
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"""
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class ResolverError(Exception):
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"""
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Indicates a query failed because of a decision made by the local
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resolver object.
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"""
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__all__ = [
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'DomainError', 'AuthoritativeDomainError', 'DNSQueryTimeoutError',
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'DNSFormatError', 'DNSServerError', 'DNSNameError',
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'DNSNotImplementedError', 'DNSQueryRefusedError',
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'DNSUnknownError', 'ResolverError']
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