diff --git a/openstack-common.conf b/openstack-common.conf index 4cdd16d41..4291c1e24 100644 --- a/openstack-common.conf +++ b/openstack-common.conf @@ -5,7 +5,6 @@ module=context module=fixture.config module=log module=uuidutils -module=versionutils # The base module to hold the copy of openstack.common base=solum diff --git a/solum/openstack/common/versionutils.py b/solum/openstack/common/versionutils.py deleted file mode 100644 index 48af96214..000000000 --- a/solum/openstack/common/versionutils.py +++ /dev/null @@ -1,183 +0,0 @@ -# Copyright (c) 2013 OpenStack Foundation -# 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. - -""" -Helpers for comparing version strings. -""" - -import functools - -import pkg_resources - -from solum.openstack.common.gettextutils import _ -from solum.openstack.common import log as logging - - -LOG = logging.getLogger(__name__) - - -class deprecated(object): - """A decorator to mark callables as deprecated. - - This decorator logs a deprecation message when the callable it decorates is - used. The message will include the release where the callable was - deprecated, the release where it may be removed and possibly an optional - replacement. - - Examples: - - 1. Specifying the required deprecated release - - >>> @deprecated(as_of=deprecated.ICEHOUSE) - ... def a(): pass - - 2. Specifying a replacement: - - >>> @deprecated(as_of=deprecated.ICEHOUSE, in_favor_of='f()') - ... def b(): pass - - 3. Specifying the release where the functionality may be removed: - - >>> @deprecated(as_of=deprecated.ICEHOUSE, remove_in=+1) - ... def c(): pass - - 4. Specifying the deprecated functionality will not be removed: - >>> @deprecated(as_of=deprecated.ICEHOUSE, remove_in=0) - ... def d(): pass - - 5. Specifying a replacement, deprecated functionality will not be removed: - >>> @deprecated(as_of=deprecated.ICEHOUSE, in_favor_of='f()', remove_in=0) - ... def e(): pass - - """ - - # NOTE(morganfainberg): Bexar is used for unit test purposes, it is - # expected we maintain a gap between Bexar and Folsom in this list. - BEXAR = 'B' - FOLSOM = 'F' - GRIZZLY = 'G' - HAVANA = 'H' - ICEHOUSE = 'I' - JUNO = 'J' - KILO = 'K' - - _RELEASES = { - # NOTE(morganfainberg): Bexar is used for unit test purposes, it is - # expected we maintain a gap between Bexar and Folsom in this list. - 'B': 'Bexar', - 'F': 'Folsom', - 'G': 'Grizzly', - 'H': 'Havana', - 'I': 'Icehouse', - 'J': 'Juno', - 'K': 'Kilo', - } - - _deprecated_msg_with_alternative = _( - '%(what)s is deprecated as of %(as_of)s in favor of ' - '%(in_favor_of)s and may be removed in %(remove_in)s.') - - _deprecated_msg_no_alternative = _( - '%(what)s is deprecated as of %(as_of)s and may be ' - 'removed in %(remove_in)s. It will not be superseded.') - - _deprecated_msg_with_alternative_no_removal = _( - '%(what)s is deprecated as of %(as_of)s in favor of %(in_favor_of)s.') - - _deprecated_msg_with_no_alternative_no_removal = _( - '%(what)s is deprecated as of %(as_of)s. It will not be superseded.') - - def __init__(self, as_of, in_favor_of=None, remove_in=2, what=None): - """Initialize decorator - - :param as_of: the release deprecating the callable. Constants - are define in this class for convenience. - :param in_favor_of: the replacement for the callable (optional) - :param remove_in: an integer specifying how many releases to wait - before removing (default: 2) - :param what: name of the thing being deprecated (default: the - callable's name) - - """ - self.as_of = as_of - self.in_favor_of = in_favor_of - self.remove_in = remove_in - self.what = what - - def __call__(self, func): - if not self.what: - self.what = func.__name__ + '()' - - @functools.wraps(func) - def wrapped(*args, **kwargs): - msg, details = self._build_message() - LOG.deprecated(msg, details) - return func(*args, **kwargs) - return wrapped - - def _get_safe_to_remove_release(self, release): - # TODO(dstanek): this method will have to be reimplemented once - # when we get to the X release because once we get to the Y - # release, what is Y+2? - new_release = chr(ord(release) + self.remove_in) - if new_release in self._RELEASES: - return self._RELEASES[new_release] - else: - return new_release - - def _build_message(self): - details = dict(what=self.what, - as_of=self._RELEASES[self.as_of], - remove_in=self._get_safe_to_remove_release(self.as_of)) - - if self.in_favor_of: - details['in_favor_of'] = self.in_favor_of - if self.remove_in > 0: - msg = self._deprecated_msg_with_alternative - else: - # There are no plans to remove this function, but it is - # now deprecated. - msg = self._deprecated_msg_with_alternative_no_removal - else: - if self.remove_in > 0: - msg = self._deprecated_msg_no_alternative - else: - # There are no plans to remove this function, but it is - # now deprecated. - msg = self._deprecated_msg_with_no_alternative_no_removal - return msg, details - - -def is_compatible(requested_version, current_version, same_major=True): - """Determine whether `requested_version` is satisfied by - `current_version`; in other words, `current_version` is >= - `requested_version`. - - :param requested_version: version to check for compatibility - :param current_version: version to check against - :param same_major: if True, the major version must be identical between - `requested_version` and `current_version`. This is used when a - major-version difference indicates incompatibility between the two - versions. Since this is the common-case in practice, the default is - True. - :returns: True if compatible, False if not - """ - requested_parts = pkg_resources.parse_version(requested_version) - current_parts = pkg_resources.parse_version(current_version) - - if same_major and (requested_parts[0] != current_parts[0]): - return False - - return current_parts >= requested_parts