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| 1 # -*- test-case-name: twisted.names.test -*- | |
| 2 # Copyright (c) 2001-2004 Twisted Matrix Laboratories. | |
| 3 # See LICENSE for details. | |
| 4 | |
| 5 """ | |
| 6 Exception class definitions for Twisted Names. | |
| 7 """ | |
| 8 | |
| 9 from twisted.internet.defer import TimeoutError | |
| 10 | |
| 11 | |
| 12 class DomainError(ValueError): | |
| 13 """ | |
| 14 Indicates a lookup failed because there were no records matching the given | |
| 15 C{name, class, type} triple. | |
| 16 """ | |
| 17 | |
| 18 | |
| 19 | |
| 20 class AuthoritativeDomainError(ValueError): | |
| 21 """ | |
| 22 Indicates a lookup failed for a name for which this server is authoritative | |
| 23 because there were no records matching the given C{name, class, type} | |
| 24 triple. | |
| 25 """ | |
| 26 | |
| 27 | |
| 28 | |
| 29 class DNSQueryTimeoutError(TimeoutError): | |
| 30 """ | |
| 31 Indicates a lookup failed due to a timeout. | |
| 32 | |
| 33 @ivar id: The id of the message which timed out. | |
| 34 """ | |
| 35 def __init__(self, id): | |
| 36 TimeoutError.__init__(self) | |
| 37 self.id = id | |
| 38 | |
| 39 | |
| 40 | |
| 41 class DNSFormatError(DomainError): | |
| 42 """ | |
| 43 Indicates a query failed with a result of L{twisted.names.dns.EFORMAT}. | |
| 44 """ | |
| 45 | |
| 46 | |
| 47 | |
| 48 class DNSServerError(DomainError): | |
| 49 """ | |
| 50 Indicates a query failed with a result of L{twisted.names.dns.ESERVER}. | |
| 51 """ | |
| 52 | |
| 53 | |
| 54 | |
| 55 class DNSNameError(DomainError): | |
| 56 """ | |
| 57 Indicates a query failed with a result of L{twisted.names.dns.ENAME}. | |
| 58 """ | |
| 59 | |
| 60 | |
| 61 | |
| 62 class DNSNotImplementedError(DomainError): | |
| 63 """ | |
| 64 Indicates a query failed with a result of L{twisted.names.dns.ENOTIMP}. | |
| 65 """ | |
| 66 | |
| 67 | |
| 68 | |
| 69 class DNSQueryRefusedError(DomainError): | |
| 70 """ | |
| 71 Indicates a query failed with a result of L{twisted.names.dns.EREFUSED}. | |
| 72 """ | |
| 73 | |
| 74 | |
| 75 | |
| 76 class DNSUnknownError(DomainError): | |
| 77 """ | |
| 78 Indicates a query failed with an unknown result. | |
| 79 """ | |
| 80 | |
| 81 | |
| 82 | |
| 83 __all__ = [ | |
| 84 'DomainError', 'AuthoritativeDomainError', 'DNSQueryTimeoutError', | |
| 85 | |
| 86 'DNSFormatError', 'DNSServerError', 'DNSNameError', | |
| 87 'DNSNotImplementedError', 'DNSQueryRefusedError', | |
| 88 'DNSUnknownError'] | |
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