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# 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.
"""
from oslo_reports.views import jinja_view as jv
class StackTraceView(jv.JinjaView):
"""A Stack Trace View
This view displays stack trace models defined by
:class:`oslo_reports.models.threading.StackTraceModel`
"""
VIEW_TEXT = (
"{% if root_exception is not none %}"
"Exception: {{ root_exception }}\n"
"------------------------------------\n"
"\n"
"{% endif %}"
"{% for line in lines %}\n"
"{{ line.filename }}:{{ line.line }} in {{ line.name }}\n"
" {% if line.code is not none %}"
"`{{ line.code }}`"
"{% else %}"
"(source not found)"
"{% endif %}\n"
"{% else %}\n"
"No Traceback!\n"
"{% endfor %}"
)
class GreenThreadView:
"""A Green Thread View
This view displays a green thread provided by the data
model :class:`oslo_reports.models.threading.GreenThreadModel`
"""
FORMAT_STR = "------{thread_str: ^60}------" + "\n" + "{stack_trace}"
def __call__(self, model):
return self.FORMAT_STR.format(
thread_str=" Green Thread ",
stack_trace=model.stack_trace
)
class ThreadView:
"""A Thread Collection View
This view displays a python thread provided by the data
model :class:`oslo_reports.models.threading.ThreadModel` # noqa
"""
FORMAT_STR = "------{thread_str: ^60}------" + "\n" + "{stack_trace}"
def __call__(self, model):
return self.FORMAT_STR.format(
thread_str=" Thread #{} ".format(model.thread_id),
stack_trace=model.stack_trace
)
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