Mercurial > hg
annotate mercurial/error.py @ 31957:84f9eb9758c0
atexit: test failing handlers
author | Bryan O'Sullivan <bryano@fb.com> |
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date | Tue, 11 Apr 2017 14:54:12 -0700 |
parents | 0ca00905f769 |
children | b445a3f00528 |
rev | line source |
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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 |
10263 | 6 # GNU General Public License version 2 or any later version. |
7633 | 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 from __future__ import absolute_import |
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15 |
7633 | 16 # Do not import anything here, please |
17 | |
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18 class Hint(object): |
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19 """Mix-in to provide a hint of an error |
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20 |
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21 This should come first in the inheritance list to consume a hint and |
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22 pass remaining arguments to the exception class. |
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23 """ |
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24 def __init__(self, *args, **kw): |
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25 self.hint = kw.pop(r'hint', None) |
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26 super(Hint, self).__init__(*args, **kw) |
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27 |
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28 class RevlogError(Hint, Exception): |
7633 | 29 pass |
30 | |
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31 class FilteredIndexError(IndexError): |
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32 pass |
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33 |
7633 | 34 class LookupError(RevlogError, KeyError): |
35 def __init__(self, name, index, message): | |
36 self.name = name | |
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37 self.index = index |
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38 # this can't be called 'message' because at least some installs of |
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39 # Python 2.6+ complain about the 'message' property being deprecated |
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40 self.lookupmessage = message |
7633 | 41 if isinstance(name, str) and len(name) == 20: |
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42 from .node import short |
7633 | 43 name = short(name) |
44 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
45 | |
46 def __str__(self): | |
47 return RevlogError.__str__(self) | |
7636 | 48 |
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49 class FilteredLookupError(LookupError): |
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50 pass |
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51 |
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52 class ManifestLookupError(LookupError): |
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53 pass |
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54 |
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55 class CommandError(Exception): |
7636 | 56 """Exception raised on errors in parsing the command line.""" |
7637 | 57 |
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58 class InterventionRequired(Hint, Exception): |
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59 """Exception raised when a command requires human intervention.""" |
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60 |
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61 class Abort(Hint, Exception): |
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62 """Raised if a command needs to print an error and exit.""" |
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63 |
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64 class HookLoadError(Abort): |
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65 """raised when loading a hook fails, aborting an operation |
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66 |
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67 Exists to allow more specialized catching.""" |
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68 |
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69 class HookAbort(Abort): |
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70 """raised when a validation hook fails, aborting an operation |
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71 |
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72 Exists to allow more specialized catching.""" |
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73 |
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74 class ConfigError(Abort): |
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75 """Exception raised when parsing config files""" |
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76 |
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77 class UpdateAbort(Abort): |
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78 """Raised when an update is aborted for destination issue""" |
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79 |
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80 class MergeDestAbort(Abort): |
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81 """Raised when an update is aborted for destination issues""" |
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82 |
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83 class NoMergeDestAbort(MergeDestAbort): |
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84 """Raised when an update is aborted because there is nothing to merge""" |
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85 |
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86 class ManyMergeDestAbort(MergeDestAbort): |
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87 """Raised when an update is aborted because destination is ambiguous""" |
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88 |
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89 class ResponseExpected(Abort): |
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90 """Raised when an EOF is received for a prompt""" |
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91 def __init__(self): |
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92 from .i18n import _ |
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93 Abort.__init__(self, _('response expected')) |
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94 |
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95 class OutOfBandError(Hint, Exception): |
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96 """Exception raised when a remote repo reports failure""" |
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97 |
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98 class ParseError(Hint, Exception): |
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99 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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100 |
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101 class UnknownIdentifier(ParseError): |
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102 """Exception raised when a {rev,file}set references an unknown identifier""" |
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103 |
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104 def __init__(self, function, symbols): |
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105 from .i18n import _ |
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106 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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107 self.function = function |
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108 self.symbols = symbols |
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109 |
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110 class RepoError(Hint, Exception): |
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111 pass |
7637 | 112 |
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113 class RepoLookupError(RepoError): |
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114 pass |
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115 |
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116 class FilteredRepoLookupError(RepoLookupError): |
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117 pass |
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118 |
7637 | 119 class CapabilityError(RepoError): |
120 pass | |
7640 | 121 |
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122 class RequirementError(RepoError): |
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123 """Exception raised if .hg/requires has an unknown entry.""" |
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124 |
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125 class UnsupportedMergeRecords(Abort): |
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126 def __init__(self, recordtypes): |
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127 from .i18n import _ |
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128 self.recordtypes = sorted(recordtypes) |
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129 s = ' '.join(self.recordtypes) |
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130 Abort.__init__( |
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131 self, _('unsupported merge state records: %s') % s, |
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132 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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133 'more information')) |
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134 |
7640 | 135 class LockError(IOError): |
136 def __init__(self, errno, strerror, filename, desc): | |
137 IOError.__init__(self, errno, strerror, filename) | |
138 self.desc = desc | |
139 | |
140 class LockHeld(LockError): | |
141 def __init__(self, errno, filename, desc, locker): | |
142 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
143 self.locker = locker | |
144 | |
145 class LockUnavailable(LockError): | |
146 pass | |
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147 |
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148 # LockError is for errors while acquiring the lock -- this is unrelated |
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149 class LockInheritanceContractViolation(RuntimeError): |
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150 pass |
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151 |
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152 class ResponseError(Exception): |
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153 """Raised to print an error with part of output and exit.""" |
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154 |
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155 class UnknownCommand(Exception): |
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156 """Exception raised if command is not in the command table.""" |
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157 |
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158 class AmbiguousCommand(Exception): |
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159 """Exception raised if command shortcut matches more than one command.""" |
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160 |
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161 # derived from KeyboardInterrupt to simplify some breakout code |
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162 class SignalInterrupt(KeyboardInterrupt): |
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163 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 164 |
165 class SignatureError(Exception): | |
166 pass | |
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167 |
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168 class PushRaced(RuntimeError): |
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169 """An exception raised during unbundling that indicate a push race""" |
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170 |
30573 | 171 class ProgrammingError(RuntimeError): |
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172 """Raised if a mercurial (core or extension) developer made a mistake""" |
30573 | 173 |
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174 # bundle2 related errors |
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175 class BundleValueError(ValueError): |
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176 """error raised when bundle2 cannot be processed""" |
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177 |
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178 class BundleUnknownFeatureError(BundleValueError): |
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179 def __init__(self, parttype=None, params=(), values=()): |
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180 self.parttype = parttype |
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181 self.params = params |
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182 self.values = values |
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183 if self.parttype is None: |
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184 msg = 'Stream Parameter' |
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185 else: |
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186 msg = parttype |
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187 entries = self.params |
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188 if self.params and self.values: |
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189 assert len(self.params) == len(self.values) |
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190 entries = [] |
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191 for idx, par in enumerate(self.params): |
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192 val = self.values[idx] |
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193 if val is None: |
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194 entries.append(val) |
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195 else: |
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196 entries.append("%s=%r" % (par, val)) |
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197 if entries: |
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198 msg = '%s - %s' % (msg, ', '.join(entries)) |
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199 ValueError.__init__(self, msg) |
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200 |
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201 class ReadOnlyPartError(RuntimeError): |
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202 """error raised when code tries to alter a part being generated""" |
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203 |
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204 class PushkeyFailed(Abort): |
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205 """error raised when a pushkey part failed to update a value""" |
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206 |
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207 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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208 ret=None): |
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209 self.partid = partid |
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210 self.namespace = namespace |
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211 self.key = key |
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212 self.new = new |
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213 self.old = old |
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214 self.ret = ret |
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215 # no i18n expected to be processed into a better message |
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216 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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217 % (namespace, key)) |
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218 |
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219 class CensoredNodeError(RevlogError): |
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220 """error raised when content verification fails on a censored node |
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221 |
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222 Also contains the tombstone data substituted for the uncensored data. |
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223 """ |
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224 |
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225 def __init__(self, filename, node, tombstone): |
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226 from .node import short |
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227 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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228 self.tombstone = tombstone |
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229 |
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230 class CensoredBaseError(RevlogError): |
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231 """error raised when a delta is rejected because its base is censored |
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232 |
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233 A delta based on a censored revision must be formed as single patch |
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234 operation which replaces the entire base with new content. This ensures |
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235 the delta may be applied by clones which have not censored the base. |
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236 """ |
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237 |
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238 class InvalidBundleSpecification(Exception): |
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239 """error raised when a bundle specification is invalid. |
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240 |
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241 This is used for syntax errors as opposed to support errors. |
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242 """ |
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243 |
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244 class UnsupportedBundleSpecification(Exception): |
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245 """error raised when a bundle specification is not supported.""" |
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246 |
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247 class CorruptedState(Exception): |
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248 """error raised when a command is not able to read its state from file""" |