##// END OF EJS Templates
upgrade: demonstrate that a no-op upgrade still performs everything...
upgrade: demonstrate that a no-op upgrade still performs everything An upgrade operation which is not adding or removing anything should ideally error out. However, it does the whole cloning and everything. Next patch will fix it. Differential Revision: https://phab.mercurial-scm.org/D9694

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util.py
38 lines | 1.0 KiB | text/x-python | PythonLexer
# 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