hgext3rd/topic/compat.py
author Joerg Sonnenberger <joerg@bec.de>
Sun, 03 May 2020 01:45:04 +0200
changeset 5322 498dc888ff40
parent 5193 a4d081923c81
permissions -rw-r--r--
stablerangecache: sanity check subranges Try to detect invalid conditions on insert as would result in deep recursions and final aborts much later. This has been observed on two different machines and the check makes it hopefully possible to find the origin of the problem.
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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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    pycompat,
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    registrar,
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    util,
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)
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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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    # py3-transform: off
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    def branchmapitems(branchmap):
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        return branchmap.iteritems()
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    # py3-transform: on
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# help category compatibility
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# hg <= 4.7 (c303d65d2e34)
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def helpcategorykwargs(categoryname):
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    """Backwards-compatible specification of the helpategory argument."""
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    category = getattr(registrar.command, categoryname, None)
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    if not category:
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        return {}
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    return {'helpcategory': category}
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# nodemap.get and index.[has_node|rev|get_rev]
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# hg <= 5.2 (02802fa87b74)
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def getgetrev(cl):
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    """Returns index.get_rev or nodemap.get (for pre-5.3 Mercurial)."""
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    if util.safehasattr(cl.index, 'get_rev'):
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        return cl.index.get_rev
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    return cl.nodemap.get