annotate mercurial/peer.py @ 21812:73e4a02e6d23

hg: add support for HGUNICODEPEDANTRY environment variable This lets us easily verify that there are no implicit conversions between unicodes and bytes in Mercurial's codebase. Based on something mpm did by hand periodically, but it kept regressing, so just open the door to running it in a buildbot.
author Augie Fackler <raf@durin42.com>
date Mon, 23 Jun 2014 09:33:07 -0400
parents 4ed6b3a24661
children cbbdd085c991
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1 # peer.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 of the
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7 # GNU General Public License version 2 or any later version.
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8
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9 from i18n import _
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10 import error
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11
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12 class peerrepository(object):
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13
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14 def capable(self, name):
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15 '''tell whether repo supports named capability.
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16 return False if not supported.
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17 if boolean capability, return True.
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18 if string capability, return string.'''
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19 caps = self._capabilities()
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20 if name in caps:
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21 return True
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22 name_eq = name + '='
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23 for cap in caps:
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24 if cap.startswith(name_eq):
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25 return cap[len(name_eq):]
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26 return False
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27
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28 def requirecap(self, name, purpose):
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29 '''raise an exception if the given capability is not present'''
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30 if not self.capable(name):
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31 raise error.CapabilityError(
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32 _('cannot %s; remote repository does not '
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33 'support the %r capability') % (purpose, name))
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35 def local(self):
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36 '''return peer as a localrepo, or None'''
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37 return None
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38
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39 def peer(self):
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40 return self
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41
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42 def canpush(self):
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43 return True
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44
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45 def close(self):
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46 pass