/usr/lib/python2.7/dist-packages/oslo_reports/models/threading.py is in python-oslo.reports 1.7.0-2.
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#
# 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 threading and stack-trace models
This module defines classes representing thread, green
thread, and stack trace data models
"""
import traceback
from oslo_reports.models import with_default_views as mwdv
from oslo_reports.views.text import threading as text_views
class StackTraceModel(mwdv.ModelWithDefaultViews):
"""A Stack Trace Model
This model holds data from a python stack trace,
commonly extracted from running thread information
:param stack_state: the python stack_state object
"""
def __init__(self, stack_state):
super(StackTraceModel, self).__init__(
text_view=text_views.StackTraceView())
if (stack_state is not None):
self['lines'] = [
{'filename': fn, 'line': ln, 'name': nm, 'code': cd}
for fn, ln, nm, cd in traceback.extract_stack(stack_state)
]
# FIXME(flepied): under Python3 f_exc_type doesn't exist
# anymore so we lose information about exceptions
if getattr(stack_state, 'f_exc_type', None) is not None:
self['root_exception'] = {
'type': stack_state.f_exc_type,
'value': stack_state.f_exc_value}
else:
self['root_exception'] = None
else:
self['lines'] = []
self['root_exception'] = None
class ThreadModel(mwdv.ModelWithDefaultViews):
"""A Thread Model
This model holds data for information about an
individual thread. It holds both a thread id,
as well as a stack trace for the thread
.. seealso::
Class :class:`StackTraceModel`
:param int thread_id: the id of the thread
:param stack: the python stack state for the current thread
"""
# threadId, stack in sys._current_frams().items()
def __init__(self, thread_id, stack):
super(ThreadModel, self).__init__(text_view=text_views.ThreadView())
self['thread_id'] = thread_id
self['stack_trace'] = StackTraceModel(stack)
class GreenThreadModel(mwdv.ModelWithDefaultViews):
"""A Green Thread Model
This model holds data for information about an
individual thread. Unlike the thread model,
it holds just a stack trace, since green threads
do not have thread ids.
.. seealso::
Class :class:`StackTraceModel`
:param stack: the python stack state for the green thread
"""
# gr in greenpool.coroutines_running --> gr.gr_frame
def __init__(self, stack):
super(GreenThreadModel, self).__init__(
{'stack_trace': StackTraceModel(stack)},
text_view=text_views.GreenThreadView())
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