hgext3rd/topic/compat.py
author Martin von Zweigbergk <martinvonz@google.com>
Fri, 12 Jul 2019 08:17:25 -0700
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# Copyright 2017 FUJIWARA Katsunori <foozy@lares.dti.ne.jp>
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2 or any later version.
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"""
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Compatibility module
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"""
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from __future__ import absolute_import
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from mercurial import (
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    obsolete,
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    pycompat,
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)
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getmarkers = None
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successorssets = None
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try:
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    from mercurial import obsutil
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    getmarkers = getattr(obsutil, 'getmarkers', None)
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    successorssets = getattr(obsutil, 'successorssets', None)
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except ImportError:
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    pass
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if getmarkers is None:
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    getmarkers = obsolete.getmarkers
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if successorssets is None:
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    successorssets = obsolete.successorssets
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if pycompat.ispy3:
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    def branchmapitems(branchmap):
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        return branchmap.items()
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else:
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    def branchmapitems(branchmap):
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        return branchmap.iteritems()