FM / oslo

/usr/lib/python2.6/site-packages/oslo_utils/

/usr/lib/python2.6/site-packages/oslo_utils

Name	Size	Mode	Actions
locale/	-	0755	rm
tests/	-	0755	rm
encodeutils.py	6309	0644	edit dl rm
encodeutils.pyc	3462	0644	edit dl rm
eventletutils.py	5266	0644	edit dl rm
eventletutils.pyc	3230	0644	edit dl rm
excutils.py	9407	0644	edit dl rm
excutils.pyc	8818	0644	edit dl rm
fileutils.py	2838	0644	edit dl rm
fileutils.pyc	2985	0644	edit dl rm
fixture.py	1556	0644	edit dl rm
fixture.pyc	1732	0644	edit dl rm
fnmatch.py	2600	0644	edit dl rm
fnmatch.pyc	2100	0644	edit dl rm
imageutils.py	6640	0644	edit dl rm
imageutils.pyc	4847	0644	edit dl rm
importutils.py	2359	0644	edit dl rm
importutils.pyc	2472	0644	edit dl rm
netutils.py	11478	0644	edit dl rm
netutils.pyc	11144	0644	edit dl rm
reflection.py	7015	0644	edit dl rm
reflection.pyc	6191	0644	edit dl rm
secretutils.py	1317	0644	edit dl rm
secretutils.pyc	998	0644	edit dl rm
strutils.py	9105	0644	edit dl rm
strutils.pyc	8068	0644	edit dl rm
timeutils.py	14739	0644	edit dl rm
timeutils.pyc	16914	0644	edit dl rm
units.py	922	0644	edit dl rm
units.pyc	593	0644	edit dl rm
uuidutils.py	1349	0644	edit dl rm
uuidutils.pyc	1265	0644	edit dl rm
versionutils.py	2619	0644	edit dl rm
versionutils.pyc	2924	0644	edit dl rm
_i18n.py	1158	0644	edit dl rm
_i18n.pyc	540	0644	edit dl rm
__init__.py	0	0644	edit dl rm
__init__.pyc	142	0644	edit dl rm

Edit: /usr/lib/python2.6/site-packages/oslo_utils/eventletutils.py (5266B)

# -*- coding: utf-8 -*-

#    Copyright (C) 2015 Yahoo! Inc. All Rights Reserved.
#
#    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.

import threading
import warnings

from oslo_utils import importutils

# These may or may not exist; so carefully import them if we can...
_eventlet = importutils.try_import('eventlet')
_patcher = importutils.try_import('eventlet.patcher')

# Attribute that can be used by others to see if eventlet is even currently
# useable (can be used in unittests to skip test cases or test classes that
# require eventlet to work).
EVENTLET_AVAILABLE = all((_eventlet, _patcher))

# Taken from eventlet.py (v0.16.1) patcher code (it's not a accessible set
# for some reason...)
_ALL_PATCH = frozenset(['__builtin__', 'MySQLdb', 'os',
                        'psycopg', 'select', 'socket', 'thread', 'time'])

def fetch_current_thread_functor():
    # Until https://github.com/eventlet/eventlet/issues/172 is resolved
    # or addressed we have to use complicated workaround to get a object
    # that will not be recycled; the usage of threading.current_thread()
    # doesn't appear to currently be monkey patched and therefore isn't
    # reliable to use (and breaks badly when used as all threads share
    # the same current_thread() object)...
    if not EVENTLET_AVAILABLE:
        return threading.current_thread
    else:
        green_threaded = _patcher.is_monkey_patched('thread')
        if green_threaded:
            return _eventlet.getcurrent
        else:
            return threading.current_thread

def warn_eventlet_not_patched(expected_patched_modules=None,
                              what='this library'):
    """Warns if eventlet is being used without patching provided modules.

:param expected_patched_modules: list of modules to check to ensure that
                                     they are patched (and to warn if they
                                     are not); these names should correspond
                                     to the names passed into the eventlet
                                     monkey_patch() routine. If not provided
                                     then *all* the modules that could be
                                     patched are checked. The currently valid
                                     selection is one or multiple of
                                     ['MySQLdb', '__builtin__', 'all', 'os',
                                     'psycopg', 'select', 'socket', 'thread',
                                     'time'] (where 'all' has an inherent
                                     special meaning).
    :type expected_patched_modules: list/tuple/iterable
    :param what: string to merge into the warnings message to identify
                 what is being checked (used in forming the emitted warnings
                 message).
    :type what: string
    """
    if not expected_patched_modules:
        expanded_patched_modules = _ALL_PATCH.copy()
    else:
        expanded_patched_modules = set()
        for m in expected_patched_modules:
            if m == 'all':
                expanded_patched_modules.update(_ALL_PATCH)
            else:
                if m not in _ALL_PATCH:
                    raise ValueError("Unknown module '%s' requested to check"
                                     " if patched" % m)
                else:
                    expanded_patched_modules.add(m)
    if EVENTLET_AVAILABLE:
        try:
            # The patcher code stores a dictionary here of all modules
            # names -> whether it was patched...
            #
            # Example:
            #
            # >>> _patcher.monkey_patch(os=True)
            # >>> print(_patcher.already_patched)
            # {'os': True}
            maybe_patched = bool(_patcher.already_patched)
        except AttributeError:
            # Assume it is patched (the attribute used here doesn't appear
            # to be a public documented API so we will assume that everything
            # is patched when that attribute isn't there to be safe...)
            maybe_patched = True
        if maybe_patched:
            not_patched = []
            for m in sorted(expanded_patched_modules):
                if not _patcher.is_monkey_patched(m):
                    not_patched.append(m)
            if not_patched:
                warnings.warn("It is highly recommended that when eventlet"
                              " is used that the %s modules are monkey"
                              " patched when using %s (to avoid"
                              " spurious or unexpected lock-ups"
                              " and/or hangs)" % (not_patched, what),
                              RuntimeWarning, stacklevel=3)

cmd: