Mercurial > hg
annotate mercurial/interfaces/util.py @ 45438:ed95ccc94333
rhg: pass `ui` to `Command` `run`
Allow implementation of `From<clap::ArgMatches> for Command`
Differential Revision: https://phab.mercurial-scm.org/D8954
author | Antoine Cezar <antoine.cezar@octobus.net> |
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date | Tue, 04 Aug 2020 16:11:23 +0200 |
parents | 687b865b95ad |
children | 6000f5b25c9b |
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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 from __future__ import absolute_import |
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13 |
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14 from .. import encoding |
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15 |
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16 if encoding.environ.get(b'HGREALINTERFACES'): |
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17 from ..thirdparty.zope import interface as zi |
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18 |
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19 Attribute = zi.Attribute |
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20 Interface = zi.Interface |
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21 implementer = zi.implementer |
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22 else: |
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23 |
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24 class Attribute(object): |
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25 def __init__(self, __name__, __doc__=b''): |
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26 pass |
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27 |
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28 class Interface(object): |
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29 def __init__( |
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30 self, name, bases=(), attrs=None, __doc__=None, __module__=None |
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31 ): |
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32 pass |
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33 |
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34 def implementer(*ifaces): |
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35 def wrapper(cls): |
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36 return cls |
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37 |
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38 return wrapper |