Mercurial > hg
annotate mercurial/error.py @ 25245:504ef9c49f4a
util: allow to specify buffer size in popen4
We will need unbuffered IO to restore real time output with ssh peer.
Changeset ec171737aaf1 seems to indicate playing with this value could be
dangerous, but does not indicate why.
author | Pierre-Yves David <pierre-yves.david@fb.com> |
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date | Wed, 20 May 2015 11:29:45 -0500 |
parents | 8de7d1d937b3 |
children | 821e664924dc |
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 |
7633 | 14 # Do not import anything here, please |
15 | |
16 class RevlogError(Exception): | |
17 pass | |
18 | |
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19 class FilteredIndexError(IndexError): |
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20 pass |
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21 |
7633 | 22 class LookupError(RevlogError, KeyError): |
23 def __init__(self, name, index, message): | |
24 self.name = name | |
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25 self.index = index |
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26 # this can't be called 'message' because at least some installs of |
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27 # Python 2.6+ complain about the 'message' property being deprecated |
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28 self.lookupmessage = message |
7633 | 29 if isinstance(name, str) and len(name) == 20: |
30 from node import short | |
31 name = short(name) | |
32 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message)) | |
33 | |
34 def __str__(self): | |
35 return RevlogError.__str__(self) | |
7636 | 36 |
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37 class FilteredLookupError(LookupError): |
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38 pass |
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39 |
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40 class ManifestLookupError(LookupError): |
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41 pass |
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42 |
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43 class CommandError(Exception): |
7636 | 44 """Exception raised on errors in parsing the command line.""" |
7637 | 45 |
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46 class InterventionRequired(Exception): |
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47 """Exception raised when a command requires human intervention.""" |
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48 |
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49 class Abort(Exception): |
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50 """Raised if a command needs to print an error and exit.""" |
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51 def __init__(self, *args, **kw): |
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52 Exception.__init__(self, *args) |
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53 self.hint = kw.get('hint') |
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54 |
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55 class HookAbort(Abort): |
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56 """raised when a validation hook fails, aborting an operation |
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57 |
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58 Exists to allow more specialized catching.""" |
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59 pass |
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60 |
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61 class ConfigError(Abort): |
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62 """Exception raised when parsing config files""" |
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63 |
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64 class OutOfBandError(Exception): |
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65 """Exception raised when a remote repo reports failure""" |
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66 |
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67 def __init__(self, *args, **kw): |
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68 Exception.__init__(self, *args) |
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69 self.hint = kw.get('hint') |
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70 |
11292 | 71 class ParseError(Exception): |
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72 """Raised when parsing config files and {rev,file}sets (msg[, pos])""" |
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73 |
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74 class UnknownIdentifier(ParseError): |
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75 """Exception raised when a {rev,file}set references an unknown identifier""" |
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76 |
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77 def __init__(self, function, symbols): |
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78 from i18n import _ |
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79 ParseError.__init__(self, _("unknown identifier: %s") % function) |
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80 self.function = function |
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81 self.symbols = symbols |
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82 |
7637 | 83 class RepoError(Exception): |
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84 def __init__(self, *args, **kw): |
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85 Exception.__init__(self, *args) |
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86 self.hint = kw.get('hint') |
7637 | 87 |
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88 class RepoLookupError(RepoError): |
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89 pass |
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90 |
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91 class FilteredRepoLookupError(RepoLookupError): |
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92 pass |
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93 |
7637 | 94 class CapabilityError(RepoError): |
95 pass | |
7640 | 96 |
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97 class RequirementError(RepoError): |
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98 """Exception raised if .hg/requires has an unknown entry.""" |
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99 pass |
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100 |
7640 | 101 class LockError(IOError): |
102 def __init__(self, errno, strerror, filename, desc): | |
103 IOError.__init__(self, errno, strerror, filename) | |
104 self.desc = desc | |
105 | |
106 class LockHeld(LockError): | |
107 def __init__(self, errno, filename, desc, locker): | |
108 LockError.__init__(self, errno, 'Lock held', filename, desc) | |
109 self.locker = locker | |
110 | |
111 class LockUnavailable(LockError): | |
112 pass | |
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113 |
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114 class ResponseError(Exception): |
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115 """Raised to print an error with part of output and exit.""" |
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116 |
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117 class UnknownCommand(Exception): |
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118 """Exception raised if command is not in the command table.""" |
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119 |
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120 class AmbiguousCommand(Exception): |
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121 """Exception raised if command shortcut matches more than one command.""" |
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122 |
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123 # derived from KeyboardInterrupt to simplify some breakout code |
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124 class SignalInterrupt(KeyboardInterrupt): |
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125 """Exception raised on SIGTERM and SIGHUP.""" |
7646 | 126 |
127 class SignatureError(Exception): | |
128 pass | |
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129 |
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130 class PushRaced(RuntimeError): |
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131 """An exception raised during unbundling that indicate a push race""" |
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132 |
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133 # bundle2 related errors |
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134 class BundleValueError(ValueError): |
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135 """error raised when bundle2 cannot be processed""" |
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136 |
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137 class UnsupportedPartError(BundleValueError): |
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138 def __init__(self, parttype=None, params=()): |
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139 self.parttype = parttype |
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140 self.params = params |
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141 if self.parttype is None: |
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142 msg = 'Stream Parameter' |
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143 else: |
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144 msg = parttype |
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145 if self.params: |
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146 msg = '%s - %s' % (msg, ', '.join(self.params)) |
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147 ValueError.__init__(self, msg) |
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148 |
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149 class ReadOnlyPartError(RuntimeError): |
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150 """error raised when code tries to alter a part being generated""" |
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151 pass |
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152 |
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153 class CensoredNodeError(RevlogError): |
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154 """error raised when content verification fails on a censored node |
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155 |
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156 Also contains the tombstone data substituted for the uncensored data. |
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157 """ |
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158 |
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159 def __init__(self, filename, node, tombstone): |
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160 from node import short |
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161 RevlogError.__init__(self, '%s:%s' % (filename, short(node))) |
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162 self.tombstone = tombstone |
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163 |
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164 class CensoredBaseError(RevlogError): |
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165 """error raised when a delta is rejected because its base is censored |
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166 |
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167 A delta based on a censored revision must be formed as single patch |
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168 operation which replaces the entire base with new content. This ensures |
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169 the delta may be applied by clones which have not censored the base. |
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170 """ |