Mercurial > hg
annotate mercurial/error.py @ 36439:02cd2fb6de72
narrow: drop redundant templatekw/revset names from help text
":<name>:" is automatically added by the registrar.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sun, 25 Feb 2018 13:42:51 +0900 |
parents | 795bfa2a9103 |
children | c6a7b99f150a |
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 |
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16 # Do not import anything but pycompat here, please |
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17 from . import pycompat |
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18 |
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19 def _tobytes(exc): |
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20 """Byte-stringify exception in the same way as BaseException_str()""" |
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21 if not exc.args: |
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22 return b'' |
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23 if len(exc.args) == 1: |
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24 return pycompat.bytestr(exc.args[0]) |
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25 return b'(%s)' % b', '.join(b"'%s'" % pycompat.bytestr(a) for a in exc.args) |
7633 | 26 |
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27 class Hint(object): |
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28 """Mix-in to provide a hint of an error |
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29 |
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30 This should come first in the inheritance list to consume a hint and |
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31 pass remaining arguments to the exception class. |
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32 """ |
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33 def __init__(self, *args, **kw): |
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34 self.hint = kw.pop(r'hint', None) |
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35 super(Hint, self).__init__(*args, **kw) |
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36 |
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37 class RevlogError(Hint, Exception): |
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38 __bytes__ = _tobytes |
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40 class FilteredIndexError(IndexError): |
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41 __bytes__ = _tobytes |
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42 |
7633 | 43 class LookupError(RevlogError, KeyError): |
44 def __init__(self, name, index, message): | |
45 self.name = name | |
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46 self.index = index |
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47 # this can't be called 'message' because at least some installs of |
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48 # Python 2.6+ complain about the 'message' property being deprecated |
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49 self.lookupmessage = message |
7633 | 50 if isinstance(name, str) and len(name) == 20: |
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51 from .node import short |
7633 | 52 name = short(name) |
53 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
54 | |
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55 def __bytes__(self): |
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56 return RevlogError.__bytes__(self) |
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57 |
7633 | 58 def __str__(self): |
59 return RevlogError.__str__(self) | |
7636 | 60 |
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61 class FilteredLookupError(LookupError): |
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62 pass |
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63 |
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64 class ManifestLookupError(LookupError): |
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65 pass |
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66 |
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67 class CommandError(Exception): |
7636 | 68 """Exception raised on errors in parsing the command line.""" |
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69 __bytes__ = _tobytes |
7637 | 70 |
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71 class InterventionRequired(Hint, Exception): |
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72 """Exception raised when a command requires human intervention.""" |
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73 __bytes__ = _tobytes |
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74 |
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75 class Abort(Hint, Exception): |
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76 """Raised if a command needs to print an error and exit.""" |
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77 __bytes__ = _tobytes |
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78 |
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79 class HookLoadError(Abort): |
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80 """raised when loading a hook fails, aborting an operation |
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81 |
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82 Exists to allow more specialized catching.""" |
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83 |
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84 class HookAbort(Abort): |
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85 """raised when a validation hook fails, aborting an operation |
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86 |
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87 Exists to allow more specialized catching.""" |
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88 |
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89 class ConfigError(Abort): |
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90 """Exception raised when parsing config files""" |
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91 |
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92 class UpdateAbort(Abort): |
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93 """Raised when an update is aborted for destination issue""" |
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94 |
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95 class MergeDestAbort(Abort): |
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96 """Raised when an update is aborted for destination issues""" |
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97 |
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98 class NoMergeDestAbort(MergeDestAbort): |
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99 """Raised when an update is aborted because there is nothing to merge""" |
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100 |
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101 class ManyMergeDestAbort(MergeDestAbort): |
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102 """Raised when an update is aborted because destination is ambiguous""" |
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103 |
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104 class ResponseExpected(Abort): |
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105 """Raised when an EOF is received for a prompt""" |
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106 def __init__(self): |
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107 from .i18n import _ |
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108 Abort.__init__(self, _('response expected')) |
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109 |
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110 class OutOfBandError(Hint, Exception): |
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111 """Exception raised when a remote repo reports failure""" |
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112 __bytes__ = _tobytes |
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113 |
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114 class ParseError(Hint, Exception): |
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115 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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116 __bytes__ = _tobytes |
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117 |
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118 class PatchError(Exception): |
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119 __bytes__ = _tobytes |
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120 |
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121 class UnknownIdentifier(ParseError): |
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122 """Exception raised when a {rev,file}set references an unknown identifier""" |
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123 |
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124 def __init__(self, function, symbols): |
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125 from .i18n import _ |
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126 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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127 self.function = function |
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128 self.symbols = symbols |
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129 |
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130 class RepoError(Hint, Exception): |
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131 __bytes__ = _tobytes |
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133 class RepoLookupError(RepoError): |
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134 pass |
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135 |
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136 class FilteredRepoLookupError(RepoLookupError): |
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137 pass |
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138 |
7637 | 139 class CapabilityError(RepoError): |
140 pass | |
7640 | 141 |
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142 class RequirementError(RepoError): |
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143 """Exception raised if .hg/requires has an unknown entry.""" |
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144 |
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145 class StdioError(IOError): |
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146 """Raised if I/O to stdout or stderr fails""" |
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147 |
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148 def __init__(self, err): |
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149 IOError.__init__(self, err.errno, err.strerror) |
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150 |
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151 # no __bytes__() because error message is derived from the standard IOError |
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152 |
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153 class UnsupportedMergeRecords(Abort): |
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154 def __init__(self, recordtypes): |
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155 from .i18n import _ |
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156 self.recordtypes = sorted(recordtypes) |
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157 s = ' '.join(self.recordtypes) |
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158 Abort.__init__( |
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159 self, _('unsupported merge state records: %s') % s, |
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160 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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161 'more information')) |
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162 |
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163 class UnknownVersion(Abort): |
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164 """generic exception for aborting from an encounter with an unknown version |
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165 """ |
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166 |
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167 def __init__(self, msg, hint=None, version=None): |
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168 self.version = version |
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169 super(UnknownVersion, self).__init__(msg, hint=hint) |
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170 |
7640 | 171 class LockError(IOError): |
172 def __init__(self, errno, strerror, filename, desc): | |
173 IOError.__init__(self, errno, strerror, filename) | |
174 self.desc = desc | |
175 | |
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176 # no __bytes__() because error message is derived from the standard IOError |
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177 |
7640 | 178 class LockHeld(LockError): |
179 def __init__(self, errno, filename, desc, locker): | |
180 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
181 self.locker = locker | |
182 | |
183 class LockUnavailable(LockError): | |
184 pass | |
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185 |
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186 # LockError is for errors while acquiring the lock -- this is unrelated |
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187 class LockInheritanceContractViolation(RuntimeError): |
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188 __bytes__ = _tobytes |
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189 |
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190 class ResponseError(Exception): |
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191 """Raised to print an error with part of output and exit.""" |
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192 __bytes__ = _tobytes |
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193 |
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194 class UnknownCommand(Exception): |
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195 """Exception raised if command is not in the command table.""" |
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196 __bytes__ = _tobytes |
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197 |
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198 class AmbiguousCommand(Exception): |
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199 """Exception raised if command shortcut matches more than one command.""" |
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200 __bytes__ = _tobytes |
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201 |
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202 # derived from KeyboardInterrupt to simplify some breakout code |
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203 class SignalInterrupt(KeyboardInterrupt): |
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204 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 205 |
206 class SignatureError(Exception): | |
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207 __bytes__ = _tobytes |
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208 |
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209 class PushRaced(RuntimeError): |
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210 """An exception raised during unbundling that indicate a push race""" |
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211 __bytes__ = _tobytes |
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212 |
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213 class ProgrammingError(Hint, RuntimeError): |
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214 """Raised if a mercurial (core or extension) developer made a mistake""" |
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215 __bytes__ = _tobytes |
30573 | 216 |
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217 class WdirUnsupported(Exception): |
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218 """An exception which is raised when 'wdir()' is not supported""" |
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219 __bytes__ = _tobytes |
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220 |
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221 # bundle2 related errors |
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222 class BundleValueError(ValueError): |
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223 """error raised when bundle2 cannot be processed""" |
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224 __bytes__ = _tobytes |
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225 |
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226 class BundleUnknownFeatureError(BundleValueError): |
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227 def __init__(self, parttype=None, params=(), values=()): |
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228 self.parttype = parttype |
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229 self.params = params |
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230 self.values = values |
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231 if self.parttype is None: |
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232 msg = 'Stream Parameter' |
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233 else: |
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234 msg = parttype |
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235 entries = self.params |
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236 if self.params and self.values: |
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237 assert len(self.params) == len(self.values) |
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238 entries = [] |
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239 for idx, par in enumerate(self.params): |
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240 val = self.values[idx] |
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241 if val is None: |
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242 entries.append(val) |
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243 else: |
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244 entries.append("%s=%r" % (par, val)) |
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245 if entries: |
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246 msg = '%s - %s' % (msg, ', '.join(entries)) |
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247 ValueError.__init__(self, msg) |
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248 |
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249 class ReadOnlyPartError(RuntimeError): |
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250 """error raised when code tries to alter a part being generated""" |
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251 __bytes__ = _tobytes |
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252 |
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253 class PushkeyFailed(Abort): |
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254 """error raised when a pushkey part failed to update a value""" |
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255 |
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256 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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257 ret=None): |
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258 self.partid = partid |
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259 self.namespace = namespace |
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260 self.key = key |
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261 self.new = new |
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262 self.old = old |
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263 self.ret = ret |
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264 # no i18n expected to be processed into a better message |
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265 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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266 % (namespace, key)) |
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267 |
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268 class CensoredNodeError(RevlogError): |
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269 """error raised when content verification fails on a censored node |
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270 |
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271 Also contains the tombstone data substituted for the uncensored data. |
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272 """ |
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273 |
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274 def __init__(self, filename, node, tombstone): |
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275 from .node import short |
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276 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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277 self.tombstone = tombstone |
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278 |
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279 class CensoredBaseError(RevlogError): |
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280 """error raised when a delta is rejected because its base is censored |
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281 |
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282 A delta based on a censored revision must be formed as single patch |
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283 operation which replaces the entire base with new content. This ensures |
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284 the delta may be applied by clones which have not censored the base. |
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285 """ |
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286 |
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287 class InvalidBundleSpecification(Exception): |
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288 """error raised when a bundle specification is invalid. |
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289 |
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290 This is used for syntax errors as opposed to support errors. |
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291 """ |
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292 __bytes__ = _tobytes |
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293 |
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294 class UnsupportedBundleSpecification(Exception): |
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295 """error raised when a bundle specification is not supported.""" |
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296 __bytes__ = _tobytes |
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297 |
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298 class CorruptedState(Exception): |
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299 """error raised when a command is not able to read its state from file""" |
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300 __bytes__ = _tobytes |
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301 |
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302 class PeerTransportError(Abort): |
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303 """Transport-level I/O error when communicating with a peer repo.""" |
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304 |
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305 class InMemoryMergeConflictsError(Exception): |
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306 """Exception raised when merge conflicts arose during an in-memory merge.""" |
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307 __bytes__ = _tobytes |