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annotate hgext3rd/topic/compat.py @ 4929:bb2b4f6c99dc

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compat: compatibility for cl.nodemap.get vs cl.index.get_rev
author Anton Shestakov <av6@dwimlabs.net>
date Wed, 13 Nov 2019 13:47:55 +0700
parents f9743b13de6d
children acc7e27fa5c6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
parents:
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1 # Copyright 2017 FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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2 #
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3 # This software may be used and distributed according to the terms of the
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4 # GNU General Public License version 2 or any later version.
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5 """
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6 Compatibility module
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7 """
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8 from __future__ import absolute_import
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9
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10 from mercurial import (
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11 obsolete,
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Martin von Zweigbergk <martinvonz@google.com>
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12 pycompat,
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Rodrigo Damazio <rdamazio@google.com>
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13 registrar,
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14 util,
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15 )
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16
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17 getmarkers = None
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18 successorssets = None
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19 try:
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20 from mercurial import obsutil
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21 getmarkers = getattr(obsutil, 'getmarkers', None)
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22 successorssets = getattr(obsutil, 'successorssets', None)
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23 except ImportError:
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24 pass
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25
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26 if getmarkers is None:
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27 getmarkers = obsolete.getmarkers
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28 if successorssets is None:
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29 successorssets = obsolete.successorssets
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30
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31 if pycompat.ispy3:
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32 def branchmapitems(branchmap):
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33 return branchmap.items()
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34 else:
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35 # py3-transform: off
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36 def branchmapitems(branchmap):
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37 return branchmap.iteritems()
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38 # py3-transform: on
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39
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40 # help category compatibility
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41 # hg <= 4.7 (c303d65d2e34)
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42 def helpcategorykwargs(categoryname):
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43 """Backwards-compatible specification of the helpategory argument."""
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44 category = getattr(registrar.command, categoryname, None)
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45 if not category:
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46 return {}
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47 return {'helpcategory': category}
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Anton Shestakov <av6@dwimlabs.net>
parents: 4894
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48
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parents: 4894
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49 # nodemap.get and index.[has_node|rev|get_rev]
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50 # hg <= 5.3 (02802fa87b74)
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51 def getgetrev(cl):
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52 """Returns index.get_rev or nodemap.get (for pre-5.3 Mercurial)."""
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53 if util.safehasattr(cl.index, 'get_rev'):
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54 return cl.index.get_rev
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55 return cl.nodemap.get