/usr/lib/python2.7/dist-packages/twisted/plugins/masterchild.py is in python-twext 0.1.b2.dev15059-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (c) 2010-2015 Apple Inc. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##
from zope.interface import implementer
from twisted.python.reflect import namedClass
from twisted.plugin import IPlugin
from twisted.application.service import IServiceMaker
@implementer(IPlugin, IServiceMaker)
class ServiceMakerWrapper(object):
"""
ServiceMaker that instantiates and wraps a ServiceMaker, given a class name
and arguments.
"""
def __init__(self, className, *args, **kwargs):
"""
@param className: The fully qualified name of the
L{IServiceMaker}-providing class to instantiate.
@type className: L{str}
@param args: Sequential arguments to pass to the class's constructor.
@type args: arguments L{list}
@param kwargs: Keyword arguments to pass to the class's constructor.
@type args: arguments L{dict}
"""
self.className = className
self.args = args
self.kwargs = kwargs
@property
def wrappedServiceMaker(self):
if not hasattr(self, "_wrappedServiceMaker"):
makerClass = namedClass(self.className)
maker = makerClass(*self.args, **self.kwargs)
self._wrappedServiceMaker = maker
return self._wrappedServiceMaker
@property
def tapname(self):
return self.wrappedServiceMaker.tapname
@property
def description(self):
return self.wrappedServiceMaker.description
@property
def options(self):
return self.wrappedServiceMaker.options
def makeService(self, options):
return self.wrappedServiceMaker.makeService(options)
masterServiceMaker = ServiceMakerWrapper(
"twext.application.masterchild.MasterServiceMaker"
)
childServiceMaker = ServiceMakerWrapper(
"twext.application.masterchild.ChildServiceMaker"
)
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