8bd8a07c08
Update all .py source files by $ pyupgrade --py3-only $(git ls-files | grep ".py$") to modernize the code according to Python 3 syntaxes. Also add the pyupgrade hook to pre-commit to avoid merging additional Python 2 syntaxes. Change-Id: Iad18362b251f8ca947976e6150a1ed17ee4c5327
101 lines
3.2 KiB
Python
101 lines
3.2 KiB
Python
# Copyright 2013 Red Hat, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Provides threading and stack-trace models
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This module defines classes representing thread, green
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thread, and stack trace data models
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"""
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import traceback
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from oslo_reports.models import with_default_views as mwdv
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from oslo_reports.views.text import threading as text_views
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class StackTraceModel(mwdv.ModelWithDefaultViews):
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"""A Stack Trace Model
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This model holds data from a python stack trace,
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commonly extracted from running thread information
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:param stack_state: the python stack_state object
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"""
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def __init__(self, stack_state):
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super().__init__(
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text_view=text_views.StackTraceView())
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if (stack_state is not None):
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self['lines'] = [
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{'filename': fn, 'line': ln, 'name': nm, 'code': cd}
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for fn, ln, nm, cd in traceback.extract_stack(stack_state)
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]
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# FIXME(flepied): under Python3 f_exc_type doesn't exist
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# anymore so we lose information about exceptions
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if getattr(stack_state, 'f_exc_type', None) is not None:
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self['root_exception'] = {
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'type': stack_state.f_exc_type,
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'value': stack_state.f_exc_value}
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else:
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self['root_exception'] = None
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else:
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self['lines'] = []
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self['root_exception'] = None
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class ThreadModel(mwdv.ModelWithDefaultViews):
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"""A Thread Model
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This model holds data for information about an
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individual thread. It holds both a thread id,
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as well as a stack trace for the thread
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.. seealso::
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Class :class:`StackTraceModel`
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:param int thread_id: the id of the thread
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:param stack: the python stack state for the current thread
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"""
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# threadId, stack in sys._current_frams().items()
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def __init__(self, thread_id, stack):
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super().__init__(text_view=text_views.ThreadView())
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self['thread_id'] = thread_id
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self['stack_trace'] = StackTraceModel(stack)
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class GreenThreadModel(mwdv.ModelWithDefaultViews):
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"""A Green Thread Model
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This model holds data for information about an
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individual thread. Unlike the thread model,
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it holds just a stack trace, since green threads
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do not have thread ids.
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.. seealso::
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Class :class:`StackTraceModel`
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:param stack: the python stack state for the green thread
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"""
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# gr in greenpool.coroutines_running --> gr.gr_frame
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def __init__(self, stack):
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super().__init__(
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{'stack_trace': StackTraceModel(stack)},
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text_view=text_views.GreenThreadView())
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