Mercurial > hg > mercurial-crew-with-dirclash

annotate mercurial/repo.py @ 5455:08d6e8754388

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import gettext since '_' is used
author Benoit Boissinot <benoit.boissinot@ens-lyon.org>
date Thu, 11 Oct 2007 16:26:14 +0200
parents 65dc707606ed
children
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1 # repo.py - repository base classes for mercurial
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2 #
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3 # Copyright 2005, 2006 Matt Mackall <mpm@selenic.com>
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4 # Copyright 2006 Vadim Gelfer <vadim.gelfer@gmail.com>
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5 #
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6 # This software may be used and distributed according to the terms
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7 # of the GNU General Public License, incorporated herein by reference.
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8
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9 from i18n import _
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11 class RepoError(Exception):
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12 pass
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13
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14 class NoCapability(RepoError):
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15 pass
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16
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17 class repository(object):
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18 def capable(self, name):
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19 '''tell whether repo supports named capability.
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20 return False if not supported.
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21 if boolean capability, return True.
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22 if string capability, return string.'''
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23 if name in self.capabilities:
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24 return True
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25 name_eq = name + '='
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26 for cap in self.capabilities:
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27 if cap.startswith(name_eq):
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28 return cap[len(name_eq):]
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29 return False
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30
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31 def requirecap(self, name, purpose):
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32 '''raise an exception if the given capability is not present'''
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33 if not self.capable(name):
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34 raise NoCapability(_('cannot %s; remote repository does not '
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35 'support the %r capability') %
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36 (purpose, name))