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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
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9 of the GNU General Public License, 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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