mercurial/interfaces/util.py
author Pierre-Yves David <pierre-yves.david@octobus.net>
Thu, 08 Jul 2021 03:03:34 +0200
changeset 47593 f927ad5a4e2c
parent 43077 687b865b95ad
child 48875 6000f5b25c9b
permissions -rw-r--r--
dirstate: add a `set_tracked` method for "hg add"-like usage This is a step further toward clarifying the semantic of various dirstate call. Having a dedicated function comes with a couple of benefits: 1) we can move duplicated logic about how to handle the previous state within the dirstate. Since we are sure this is always called in the same situation, we can implement that logic once in the dirstate. 2) having a dedicated method for this case unlock also having a dedicated method for the other case and recording more information at that time. All this leading having more code within the dirstate and higher level API that are less error prone. Differential Revision: https://phab.mercurial-scm.org/D11013

# util.py - Utilities for declaring interfaces.
#
# Copyright 2018 Gregory Szorc <gregory.szorc@gmail.com>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

# zope.interface imposes a run-time cost due to module import overhead and
# bookkeeping for declaring interfaces. So, we use stubs for various
# zope.interface primitives unless instructed otherwise.

from __future__ import absolute_import

from .. import encoding

if encoding.environ.get(b'HGREALINTERFACES'):
    from ..thirdparty.zope import interface as zi

    Attribute = zi.Attribute
    Interface = zi.Interface
    implementer = zi.implementer
else:

    class Attribute(object):
        def __init__(self, __name__, __doc__=b''):
            pass

    class Interface(object):
        def __init__(
            self, name, bases=(), attrs=None, __doc__=None, __module__=None
        ):
            pass

    def implementer(*ifaces):
        def wrapper(cls):
            return cls

        return wrapper