Mercurial > public > mercurial-scm > hg-stable

annotate mercurial/error.py @ 8225:46293a0c7e9f

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updated license to be explicit about GPL version 2
author Martin Geisler <mg@lazybytes.net>
date Sun, 26 Apr 2009 01:08:54 +0200
parents fca54469480e
children 8b2cd04a6e97
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1 """
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2 error.py - Mercurial exceptions
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3
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4 This allows us to catch exceptions at higher levels without forcing imports
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5
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6 Copyright 2005-2008 Matt Mackall <mpm@selenic.com>
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7
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8 This software may be used and distributed according to the terms of the
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9 GNU General Public License version 2, incorporated herein by reference.
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10 """
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11
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12 # Do not import anything here, please
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13
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14 class RevlogError(Exception):
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15 pass
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16
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17 class LookupError(RevlogError, KeyError):
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18 def __init__(self, name, index, message):
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19 self.name = name
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20 if isinstance(name, str) and len(name) == 20:
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21 from node import short
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22 name = short(name)
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23 RevlogError.__init__(self, '%s@%s: %s' % (index, name, message))
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24
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25 def __str__(self):
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26 return RevlogError.__str__(self)
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27
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28 class ParseError(Exception):
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29 """Exception raised on errors in parsing the command line."""
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30
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31 class ConfigError(Exception):
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32 'Exception raised when parsing config files'
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33
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34 class RepoError(Exception):
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35 pass
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36
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37 class CapabilityError(RepoError):
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38 pass
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39
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40 class LockError(IOError):
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41 def __init__(self, errno, strerror, filename, desc):
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42 IOError.__init__(self, errno, strerror, filename)
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43 self.desc = desc
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44
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45 class LockHeld(LockError):
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46 def __init__(self, errno, filename, desc, locker):
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47 LockError.__init__(self, errno, 'Lock held', filename, desc)
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48 self.locker = locker
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49
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50 class LockUnavailable(LockError):
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51 pass
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52
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53 class ResponseError(Exception):
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54 """Raised to print an error with part of output and exit."""
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55
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56 class UnknownCommand(Exception):
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57 """Exception raised if command is not in the command table."""
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58
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59 class AmbiguousCommand(Exception):
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60 """Exception raised if command shortcut matches more than one command."""
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61
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62 # derived from KeyboardInterrupt to simplify some breakout code
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63 class SignalInterrupt(KeyboardInterrupt):
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64 """Exception raised on SIGTERM and SIGHUP."""
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65
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66 class SignatureError(Exception):
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67 pass
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68
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69 class Abort(Exception):
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70 """Raised if a command needs to print an error and exit."""