Mercurial > hg
annotate mercurial/error.py @ 28359:f6b5b041c6c9
commit: block amend while histedit is in progress (issue4800)
author | timeless <timeless@mozdev.org> |
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date | Sun, 14 Feb 2016 07:35:50 +0000 |
parents | 13bb8de97f87 |
children | 945b4c14c570 |
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 HintException(Exception): |
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19 def __init__(self, *args, **kw): |
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20 Exception.__init__(self, *args) |
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21 self.hint = kw.get('hint') |
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22 |
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23 class RevlogError(HintException): |
7633 | 24 pass |
25 | |
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26 class FilteredIndexError(IndexError): |
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27 pass |
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28 |
7633 | 29 class LookupError(RevlogError, KeyError): |
30 def __init__(self, name, index, message): | |
31 self.name = name | |
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32 self.index = index |
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33 # this can't be called 'message' because at least some installs of |
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34 # Python 2.6+ complain about the 'message' property being deprecated |
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35 self.lookupmessage = message |
7633 | 36 if isinstance(name, str) and len(name) == 20: |
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37 from .node import short |
7633 | 38 name = short(name) |
39 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
40 | |
41 def __str__(self): | |
42 return RevlogError.__str__(self) | |
7636 | 43 |
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44 class FilteredLookupError(LookupError): |
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45 pass |
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46 |
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47 class ManifestLookupError(LookupError): |
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48 pass |
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49 |
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50 class CommandError(Exception): |
7636 | 51 """Exception raised on errors in parsing the command line.""" |
7637 | 52 |
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53 class InterventionRequired(HintException): |
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54 """Exception raised when a command requires human intervention.""" |
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55 |
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56 class Abort(HintException): |
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57 """Raised if a command needs to print an error and exit.""" |
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58 |
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59 class HookLoadError(Abort): |
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60 """raised when loading a hook fails, aborting an operation |
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61 |
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62 Exists to allow more specialized catching.""" |
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63 |
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64 class HookAbort(Abort): |
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65 """raised when a validation 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 ConfigError(Abort): |
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70 """Exception raised when parsing config files""" |
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71 |
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72 class UpdateAbort(Abort): |
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73 """Raised when an update is aborted for destination issue""" |
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74 |
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75 class MergeDestAbort(Abort): |
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76 """Raised when an update is aborted for destination issues""" |
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77 |
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78 class NoMergeDestAbort(MergeDestAbort): |
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79 """Raised when an update is aborted because there is nothing to merge""" |
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80 |
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81 class ManyMergeDestAbort(MergeDestAbort): |
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82 """Raised when an update is aborted because destination is ambigious""" |
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83 |
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84 class ResponseExpected(Abort): |
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85 """Raised when an EOF is received for a prompt""" |
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86 def __init__(self): |
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87 from .i18n import _ |
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88 Abort.__init__(self, _('response expected')) |
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89 |
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90 class OutOfBandError(HintException): |
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91 """Exception raised when a remote repo reports failure""" |
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92 |
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93 class ParseError(HintException): |
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94 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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95 |
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96 class UnknownIdentifier(ParseError): |
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97 """Exception raised when a {rev,file}set references an unknown identifier""" |
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98 |
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99 def __init__(self, function, symbols): |
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100 from .i18n import _ |
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101 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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102 self.function = function |
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103 self.symbols = symbols |
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104 |
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105 class RepoError(HintException): |
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106 pass |
7637 | 107 |
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108 class RepoLookupError(RepoError): |
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109 pass |
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110 |
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111 class FilteredRepoLookupError(RepoLookupError): |
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112 pass |
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113 |
7637 | 114 class CapabilityError(RepoError): |
115 pass | |
7640 | 116 |
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117 class RequirementError(RepoError): |
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118 """Exception raised if .hg/requires has an unknown entry.""" |
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119 |
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120 class UnsupportedMergeRecords(Abort): |
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121 def __init__(self, recordtypes): |
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122 from .i18n import _ |
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123 self.recordtypes = sorted(recordtypes) |
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124 s = ' '.join(self.recordtypes) |
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125 Abort.__init__( |
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126 self, _('unsupported merge state records: %s') % s, |
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127 hint=_('see https://mercurial-scm.org/wiki/MergeStateRecords for ' |
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128 'more information')) |
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129 |
7640 | 130 class LockError(IOError): |
131 def __init__(self, errno, strerror, filename, desc): | |
132 IOError.__init__(self, errno, strerror, filename) | |
133 self.desc = desc | |
134 | |
135 class LockHeld(LockError): | |
136 def __init__(self, errno, filename, desc, locker): | |
137 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
138 self.locker = locker | |
139 | |
140 class LockUnavailable(LockError): | |
141 pass | |
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142 |
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143 # LockError is for errors while acquiring the lock -- this is unrelated |
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144 class LockInheritanceContractViolation(RuntimeError): |
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145 pass |
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146 |
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147 class ResponseError(Exception): |
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148 """Raised to print an error with part of output and exit.""" |
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149 |
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150 class UnknownCommand(Exception): |
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151 """Exception raised if command is not in the command table.""" |
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152 |
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153 class AmbiguousCommand(Exception): |
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154 """Exception raised if command shortcut matches more than one command.""" |
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155 |
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156 # derived from KeyboardInterrupt to simplify some breakout code |
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157 class SignalInterrupt(KeyboardInterrupt): |
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158 """Exception raised on SIGTERM and SIGHUP.""" |
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160 class SignatureError(Exception): | |
161 pass | |
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162 |
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163 class PushRaced(RuntimeError): |
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164 """An exception raised during unbundling that indicate a push race""" |
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165 |
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166 # bundle2 related errors |
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167 class BundleValueError(ValueError): |
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168 """error raised when bundle2 cannot be processed""" |
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169 |
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170 class BundleUnknownFeatureError(BundleValueError): |
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171 def __init__(self, parttype=None, params=(), values=()): |
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172 self.parttype = parttype |
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173 self.params = params |
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174 self.values = values |
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175 if self.parttype is None: |
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176 msg = 'Stream Parameter' |
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177 else: |
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178 msg = parttype |
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179 entries = self.params |
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180 if self.params and self.values: |
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181 assert len(self.params) == len(self.values) |
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182 entries = [] |
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183 for idx, par in enumerate(self.params): |
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184 val = self.values[idx] |
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185 if val is None: |
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186 entries.append(val) |
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187 else: |
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188 entries.append("%s=%r" % (par, val)) |
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189 if entries: |
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190 msg = '%s - %s' % (msg, ', '.join(entries)) |
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191 ValueError.__init__(self, msg) |
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192 |
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193 class ReadOnlyPartError(RuntimeError): |
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194 """error raised when code tries to alter a part being generated""" |
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195 |
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196 class PushkeyFailed(Abort): |
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197 """error raised when a pushkey part failed to update a value""" |
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198 |
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199 def __init__(self, partid, namespace=None, key=None, new=None, old=None, |
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200 ret=None): |
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201 self.partid = partid |
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202 self.namespace = namespace |
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203 self.key = key |
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204 self.new = new |
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205 self.old = old |
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206 self.ret = ret |
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207 # no i18n expected to be processed into a better message |
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208 Abort.__init__(self, 'failed to update value for "%s/%s"' |
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209 % (namespace, key)) |
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210 |
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211 class CensoredNodeError(RevlogError): |
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212 """error raised when content verification fails on a censored node |
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213 |
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214 Also contains the tombstone data substituted for the uncensored data. |
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215 """ |
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216 |
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217 def __init__(self, filename, node, tombstone): |
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218 from .node import short |
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219 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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220 self.tombstone = tombstone |
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221 |
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222 class CensoredBaseError(RevlogError): |
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223 """error raised when a delta is rejected because its base is censored |
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224 |
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225 A delta based on a censored revision must be formed as single patch |
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226 operation which replaces the entire base with new content. This ensures |
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227 the delta may be applied by clones which have not censored the base. |
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228 """ |
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229 |
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230 class InvalidBundleSpecification(Exception): |
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231 """error raised when a bundle specification is invalid. |
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232 |
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233 This is used for syntax errors as opposed to support errors. |
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234 """ |
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235 |
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236 class UnsupportedBundleSpecification(Exception): |
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237 """error raised when a bundle specification is not supported.""" |