Mercurial > hg-stable
view mercurial/utils/interfaceutil.py @ 38238:7824783a6d5e
templater: add wrapped types for pure non-list/dict values
These wrapper types will allow us to get rid of some isinstance() business.
A bytes object needs to support sequence-like operations (e.g. join(),
ifcontains(), etc.) That's why we have two wrapper classes.
Tests will be added later.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Tue, 20 Mar 2018 23:56:26 +0900 |
parents | 856f381ad74b |
children |
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# interfaceutil.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('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__=''): 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