Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/error.py @ 23015:21c44c1aed87

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repoview: add a FilteredLookupError class This exception is a more precise LookupError that will allow us to issue a special message when we end up accessing a filtered revision.
author Pierre-Yves David <pierre-yves.david@fb.com>
date Thu, 16 Oct 2014 02:05:06 -0700
parents f00813325c5a
children 2bd51e61c65e
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Martin Geisler <mg@lazybytes.net>
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1 # error.py - Mercurial exceptions
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2 #
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3 # Copyright 2005-2008 Matt Mackall <mpm@selenic.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 """Mercurial exceptions.
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9
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10 This allows us to catch exceptions at higher levels without forcing
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11 imports.
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12 """
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13
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14 # Do not import anything here, please
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15
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16 class RevlogError(Exception):
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17 pass
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18
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19 class FilteredIndexError(IndexError):
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20 pass
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21
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22 class LookupError(RevlogError, KeyError):
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23 def __init__(self, name, index, message):
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24 self.name = name
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25 if isinstance(name, str) and len(name) == 20:
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26 from node import short
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27 name = short(name)
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28 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message))
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29
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30 def __str__(self):
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31 return RevlogError.__str__(self)
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32
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33 class FilteredLookupError(LookupError):
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34 pass
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35
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36 class ManifestLookupError(LookupError):
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37 pass
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38
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39 class CommandError(Exception):
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40 """Exception raised on errors in parsing the command line."""
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41
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42 class InterventionRequired(Exception):
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43 """Exception raised when a command requires human intervention."""
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44
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45 class Abort(Exception):
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46 """Raised if a command needs to print an error and exit."""
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47 def __init__(self, *args, **kw):
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48 Exception.__init__(self, *args)
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49 self.hint = kw.get('hint')
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50
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51 class ConfigError(Abort):
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52 """Exception raised when parsing config files"""
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53
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54 class OutOfBandError(Exception):
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55 """Exception raised when a remote repo reports failure"""
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56
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57 class ParseError(Exception):
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58 """Exception raised when parsing config files (msg[, pos])"""
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59
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60 class RepoError(Exception):
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61 def __init__(self, *args, **kw):
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62 Exception.__init__(self, *args)
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63 self.hint = kw.get('hint')
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64
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65 class RepoLookupError(RepoError):
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66 pass
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67
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68 class CapabilityError(RepoError):
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69 pass
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70
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71 class RequirementError(RepoError):
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72 """Exception raised if .hg/requires has an unknown entry."""
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73 pass
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74
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75 class LockError(IOError):
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76 def __init__(self, errno, strerror, filename, desc):
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77 IOError.__init__(self, errno, strerror, filename)
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78 self.desc = desc
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79
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80 class LockHeld(LockError):
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81 def __init__(self, errno, filename, desc, locker):
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82 LockError.__init__(self, errno, 'Lock held', filename, desc)
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83 self.locker = locker
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84
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85 class LockUnavailable(LockError):
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86 pass
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87
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88 class ResponseError(Exception):
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89 """Raised to print an error with part of output and exit."""
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90
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91 class UnknownCommand(Exception):
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92 """Exception raised if command is not in the command table."""
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93
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94 class AmbiguousCommand(Exception):
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95 """Exception raised if command shortcut matches more than one command."""
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96
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97 # derived from KeyboardInterrupt to simplify some breakout code
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98 class SignalInterrupt(KeyboardInterrupt):
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99 """Exception raised on SIGTERM and SIGHUP."""
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100
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101 class SignatureError(Exception):
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102 pass
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103
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104 class PushRaced(RuntimeError):
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105 """An exception raised during unbundling that indicate a push race"""
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106
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107 # bundle2 related errors
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108 class BundleValueError(ValueError):
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109 """error raised when bundle2 cannot be processed"""
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110
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111 class UnsupportedPartError(BundleValueError):
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112 def __init__(self, parttype=None, params=()):
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113 self.parttype = parttype
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114 self.params = params
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115 if self.parttype is None:
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116 msg = 'Stream Parameter'
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117 else:
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118 msg = parttype
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119 if self.params:
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120 msg = '%s - %s' % (msg, ', '.join(self.params))
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121 ValueError.__init__(self, msg)
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122
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123 class ReadOnlyPartError(RuntimeError):
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124 """error raised when code tries to alter a part being generated"""
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125 pass
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126
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127 class CensoredNodeError(RevlogError):
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128 """error raised when content verification fails on a censored node"""
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129
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130 def __init__(self, filename, node):
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131 from node import short
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132 RevlogError.__init__(self, '%s:%s' % (filename, short(node)))