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annotate mercurial/interfaces/util.py @ 48946:642e31cb55f0

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py3: use class X: instead of class X(object): The inheritance from object is implied in Python 3. So this should be equivalent. This change was generated via an automated search and replace. So there may have been some accidental changes. Differential Revision: https://phab.mercurial-scm.org/D12352
author Gregory Szorc <gregory.szorc@gmail.com>
date Mon, 21 Feb 2022 13:08:28 -0700
parents 6000f5b25c9b
children f4733654f144
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2c4f656c8e9f interfaceutil: move to interfaces/
Pulkit Goyal <pulkit@yandex-team.ru>
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1 # util.py - Utilities for declaring interfaces.
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2 #
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3 # Copyright 2018 Gregory Szorc <gregory.szorc@gmail.com>
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4 #
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5 # This software may be used and distributed according to the terms of the
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6 # GNU General Public License version 2 or any later version.
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7
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8 # zope.interface imposes a run-time cost due to module import overhead and
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9 # bookkeeping for declaring interfaces. So, we use stubs for various
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10 # zope.interface primitives unless instructed otherwise.
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11
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12
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13 from .. import encoding
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14
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15 if encoding.environ.get(b'HGREALINTERFACES'):
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16 from ..thirdparty.zope import interface as zi
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17
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18 Attribute = zi.Attribute
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19 Interface = zi.Interface
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20 implementer = zi.implementer
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21 else:
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22
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23 class Attribute:
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24 def __init__(self, __name__, __doc__=b''):
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25 pass
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26
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27 class Interface:
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28 def __init__(
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29 self, name, bases=(), attrs=None, __doc__=None, __module__=None
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30 ):
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31 pass
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32
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33 def implementer(*ifaces):
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34 def wrapper(cls):
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35 return cls
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36
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37 return wrapper