Mercurial > hg
annotate mercurial/error.py @ 39750:ec723284d07a
bookmarks: parse out implicit "add" action early
This prepares for adding -l/--list option, which can be combined with the
positional arguments.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Sat, 15 Sep 2018 12:25:19 +0900 |
parents | 409c42d6a570 |
children | cb65d4b7e429 |
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 |
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50 if isinstance(name, bytes) 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 AmbiguousPrefixLookupError(LookupError): |
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62 pass |
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63 |
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64 class FilteredLookupError(LookupError): |
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65 pass |
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66 |
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67 class ManifestLookupError(LookupError): |
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68 pass |
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69 |
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70 class CommandError(Exception): |
7636 | 71 """Exception raised on errors in parsing the command line.""" |
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72 __bytes__ = _tobytes |
7637 | 73 |
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74 class InterventionRequired(Hint, Exception): |
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75 """Exception raised when a command requires human intervention.""" |
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76 __bytes__ = _tobytes |
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77 |
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78 class Abort(Hint, Exception): |
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79 """Raised if a command needs to print an error and exit.""" |
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80 __bytes__ = _tobytes |
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81 |
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82 class HookLoadError(Abort): |
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83 """raised when loading a hook fails, aborting an operation |
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84 |
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85 Exists to allow more specialized catching.""" |
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86 |
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87 class HookAbort(Abort): |
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88 """raised when a validation hook fails, aborting an operation |
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89 |
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90 Exists to allow more specialized catching.""" |
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91 |
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92 class ConfigError(Abort): |
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93 """Exception raised when parsing config files""" |
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94 |
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95 class UpdateAbort(Abort): |
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96 """Raised when an update is aborted for destination issue""" |
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97 |
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98 class MergeDestAbort(Abort): |
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99 """Raised when an update is aborted for destination issues""" |
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100 |
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101 class NoMergeDestAbort(MergeDestAbort): |
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102 """Raised when an update is aborted because there is nothing to merge""" |
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103 |
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104 class ManyMergeDestAbort(MergeDestAbort): |
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105 """Raised when an update is aborted because destination is ambiguous""" |
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106 |
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107 class ResponseExpected(Abort): |
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108 """Raised when an EOF is received for a prompt""" |
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109 def __init__(self): |
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110 from .i18n import _ |
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111 Abort.__init__(self, _('response expected')) |
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112 |
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113 class OutOfBandError(Hint, Exception): |
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114 """Exception raised when a remote repo reports failure""" |
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115 __bytes__ = _tobytes |
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116 |
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117 class ParseError(Hint, Exception): |
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118 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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119 __bytes__ = _tobytes |
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120 |
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121 class PatchError(Exception): |
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122 __bytes__ = _tobytes |
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123 |
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124 class UnknownIdentifier(ParseError): |
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125 """Exception raised when a {rev,file}set references an unknown identifier""" |
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126 |
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127 def __init__(self, function, symbols): |
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128 from .i18n import _ |
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129 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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130 self.function = function |
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131 self.symbols = symbols |
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132 |
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133 class RepoError(Hint, Exception): |
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134 __bytes__ = _tobytes |
7637 | 135 |
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136 class RepoLookupError(RepoError): |
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137 pass |
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138 |
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139 class FilteredRepoLookupError(RepoLookupError): |
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140 pass |
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141 |
7637 | 142 class CapabilityError(RepoError): |
143 pass | |
7640 | 144 |
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145 class RequirementError(RepoError): |
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146 """Exception raised if .hg/requires has an unknown entry.""" |
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147 |
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148 class StdioError(IOError): |
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149 """Raised if I/O to stdout or stderr fails""" |
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150 |
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151 def __init__(self, err): |
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152 IOError.__init__(self, err.errno, err.strerror) |
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153 |
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154 # no __bytes__() because error message is derived from the standard IOError |
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155 |
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156 class UnsupportedMergeRecords(Abort): |
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157 def __init__(self, recordtypes): |
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158 from .i18n import _ |
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159 self.recordtypes = sorted(recordtypes) |
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160 s = ' '.join(self.recordtypes) |
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161 Abort.__init__( |
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162 self, _('unsupported merge state records: %s') % s, |
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163 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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164 'more information')) |
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165 |
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166 class UnknownVersion(Abort): |
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167 """generic exception for aborting from an encounter with an unknown version |
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168 """ |
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169 |
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170 def __init__(self, msg, hint=None, version=None): |
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171 self.version = version |
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172 super(UnknownVersion, self).__init__(msg, hint=hint) |
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173 |
7640 | 174 class LockError(IOError): |
175 def __init__(self, errno, strerror, filename, desc): | |
176 IOError.__init__(self, errno, strerror, filename) | |
177 self.desc = desc | |
178 | |
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179 # no __bytes__() because error message is derived from the standard IOError |
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180 |
7640 | 181 class LockHeld(LockError): |
182 def __init__(self, errno, filename, desc, locker): | |
183 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
184 self.locker = locker | |
185 | |
186 class LockUnavailable(LockError): | |
187 pass | |
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188 |
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189 # LockError is for errors while acquiring the lock -- this is unrelated |
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190 class LockInheritanceContractViolation(RuntimeError): |
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191 __bytes__ = _tobytes |
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192 |
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193 class ResponseError(Exception): |
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194 """Raised to print an error with part of output and exit.""" |
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195 __bytes__ = _tobytes |
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196 |
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197 class UnknownCommand(Exception): |
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198 """Exception raised if command is not in the command table.""" |
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199 __bytes__ = _tobytes |
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200 |
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201 class AmbiguousCommand(Exception): |
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202 """Exception raised if command shortcut matches more than one command.""" |
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203 __bytes__ = _tobytes |
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204 |
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205 # derived from KeyboardInterrupt to simplify some breakout code |
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206 class SignalInterrupt(KeyboardInterrupt): |
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207 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 208 |
209 class SignatureError(Exception): | |
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210 __bytes__ = _tobytes |
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211 |
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212 class PushRaced(RuntimeError): |
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213 """An exception raised during unbundling that indicate a push race""" |
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214 __bytes__ = _tobytes |
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215 |
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216 class ProgrammingError(Hint, RuntimeError): |
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217 """Raised if a mercurial (core or extension) developer made a mistake""" |
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218 |
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219 def __init__(self, msg, *args, **kwargs): |
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220 # On Python 3, turn the message back into a string since this is |
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221 # an internal-only error that won't be printed except in a |
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222 # stack traces. |
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223 msg = pycompat.sysstr(msg) |
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224 super(ProgrammingError, self).__init__(msg, *args, **kwargs) |
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225 |
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226 __bytes__ = _tobytes |
30573 | 227 |
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228 class WdirUnsupported(Exception): |
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229 """An exception which is raised when 'wdir()' is not supported""" |
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230 __bytes__ = _tobytes |
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231 |
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232 # bundle2 related errors |
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233 class BundleValueError(ValueError): |
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234 """error raised when bundle2 cannot be processed""" |
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235 __bytes__ = _tobytes |
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236 |
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237 class BundleUnknownFeatureError(BundleValueError): |
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238 def __init__(self, parttype=None, params=(), values=()): |
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239 self.parttype = parttype |
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240 self.params = params |
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241 self.values = values |
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242 if self.parttype is None: |
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243 msg = 'Stream Parameter' |
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244 else: |
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245 msg = parttype |
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246 entries = self.params |
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247 if self.params and self.values: |
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248 assert len(self.params) == len(self.values) |
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249 entries = [] |
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250 for idx, par in enumerate(self.params): |
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251 val = self.values[idx] |
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252 if val is None: |
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253 entries.append(val) |
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254 else: |
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255 entries.append("%s=%r" % (par, pycompat.maybebytestr(val))) |
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256 if entries: |
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257 msg = '%s - %s' % (msg, ', '.join(entries)) |
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258 ValueError.__init__(self, msg) |
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259 |
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260 class ReadOnlyPartError(RuntimeError): |
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261 """error raised when code tries to alter a part being generated""" |
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262 __bytes__ = _tobytes |
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263 |
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264 class PushkeyFailed(Abort): |
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265 """error raised when a pushkey part failed to update a value""" |
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266 |
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267 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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268 ret=None): |
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269 self.partid = partid |
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270 self.namespace = namespace |
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271 self.key = key |
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272 self.new = new |
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273 self.old = old |
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274 self.ret = ret |
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275 # no i18n expected to be processed into a better message |
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276 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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277 % (namespace, key)) |
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278 |
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279 class CensoredNodeError(RevlogError): |
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280 """error raised when content verification fails on a censored node |
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281 |
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282 Also contains the tombstone data substituted for the uncensored data. |
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283 """ |
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284 |
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285 def __init__(self, filename, node, tombstone): |
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286 from .node import short |
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287 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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288 self.tombstone = tombstone |
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289 |
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290 class CensoredBaseError(RevlogError): |
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291 """error raised when a delta is rejected because its base is censored |
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292 |
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293 A delta based on a censored revision must be formed as single patch |
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294 operation which replaces the entire base with new content. This ensures |
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295 the delta may be applied by clones which have not censored the base. |
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296 """ |
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297 |
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298 class InvalidBundleSpecification(Exception): |
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299 """error raised when a bundle specification is invalid. |
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300 |
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301 This is used for syntax errors as opposed to support errors. |
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302 """ |
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303 __bytes__ = _tobytes |
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304 |
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305 class UnsupportedBundleSpecification(Exception): |
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306 """error raised when a bundle specification is not supported.""" |
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307 __bytes__ = _tobytes |
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308 |
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309 class CorruptedState(Exception): |
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310 """error raised when a command is not able to read its state from file""" |
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311 __bytes__ = _tobytes |
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312 |
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313 class PeerTransportError(Abort): |
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314 """Transport-level I/O error when communicating with a peer repo.""" |
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315 |
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316 class InMemoryMergeConflictsError(Exception): |
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317 """Exception raised when merge conflicts arose during an in-memory merge.""" |
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318 __bytes__ = _tobytes |
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319 |
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320 class WireprotoCommandError(Exception): |
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321 """Represents an error during execution of a wire protocol command. |
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322 |
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323 Should only be thrown by wire protocol version 2 commands. |
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324 |
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325 The error is a formatter string and an optional iterable of arguments. |
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326 """ |
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327 def __init__(self, message, args=None): |
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328 self.message = message |
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329 self.messageargs = args |