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OpenStack Study: threading.py**** CubicPower OpenStack Study ****
# Copyright 2013 Red Hat, Inc. # # 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. """Provides thread and stack-trace views This module provides a collection of views for visualizing threads, green threads, and stack traces in human-readable form. """ import nova.openstack.common.report.views.jinja_view as jv
**** CubicPower OpenStack Study **** class StackTraceView(jv.JinjaView): """A Stack Trace View This view displays stack trace models
**** CubicPower OpenStack Study **** class GreenThreadView(object): """A Green Thread View This view displays a green thread provided by the data model :class:`openstack.common.report.models.threading.GreenThreadModel` # noqa """ FORMAT_STR = "------{thread_str: ^60}------" + "\n" + "{stack_trace}"
**** CubicPower OpenStack Study **** def __call__(self, model): return self.FORMAT_STR.format( thread_str=" Green Thread ", stack_trace=model.stack_trace )
**** CubicPower OpenStack Study **** class ThreadView(object): """A Thread Collection View This view displays a python thread provided by the data model :class:`openstack.common.report.models.threading.ThreadModel` # noqa """ FORMAT_STR = "------{thread_str: ^60}------" + "\n" + "{stack_trace}"
**** CubicPower OpenStack Study **** def __call__(self, model): return self.FORMAT_STR.format( thread_str=" Thread #{0} ".format(model.thread_id), stack_trace=model.stack_trace )
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