a45b4da5e1
This commit switches to using the oslo.log library instead of the locally synced version from oslo-incubator. Also, since Tempest-lib doesn't actually use oslo.config for anything except oslo.log now that we're using it as an external lib let's remove oslo.config from the requirements file. Change-Id: Ia4f12b747643637d93bf6873563b6c34924c5bb0
88 lines
3.0 KiB
Python
88 lines
3.0 KiB
Python
# Copyright 2012 OpenStack Foundation
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# All Rights Reserved.
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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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import inspect
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import re
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from oslo_log import log as logging
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LOG = logging.getLogger(__name__)
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def singleton(cls):
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"""Simple wrapper for classes that should only have a single instance."""
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instances = {}
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def getinstance():
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if cls not in instances:
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instances[cls] = cls()
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return instances[cls]
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return getinstance
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def find_test_caller():
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"""Find the caller class and test name.
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Because we know that the interesting things that call us are
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test_* methods, and various kinds of setUp / tearDown, we
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can look through the call stack to find appropriate methods,
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and the class we were in when those were called.
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"""
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caller_name = None
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names = []
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frame = inspect.currentframe()
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is_cleanup = False
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# Start climbing the ladder until we hit a good method
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while True:
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try:
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frame = frame.f_back
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name = frame.f_code.co_name
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names.append(name)
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if re.search("^(test_|setUp|tearDown)", name):
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cname = ""
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if 'self' in frame.f_locals:
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cname = frame.f_locals['self'].__class__.__name__
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if 'cls' in frame.f_locals:
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cname = frame.f_locals['cls'].__name__
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caller_name = cname + ":" + name
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break
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elif re.search("^_run_cleanup", name):
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is_cleanup = True
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elif name == 'main':
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caller_name = 'main'
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break
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else:
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cname = ""
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if 'self' in frame.f_locals:
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cname = frame.f_locals['self'].__class__.__name__
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if 'cls' in frame.f_locals:
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cname = frame.f_locals['cls'].__name__
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# the fact that we are running cleanups is indicated pretty
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# deep in the stack, so if we see that we want to just
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# start looking for a real class name, and declare victory
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# once we do.
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if is_cleanup and cname:
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if not re.search("^RunTest", cname):
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caller_name = cname + ":_run_cleanups"
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break
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except Exception:
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break
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# prevents frame leaks
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del frame
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if caller_name is None:
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LOG.debug("Sane call name not found in %s" % names)
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return caller_name
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