/usr/share/pyshared/melange/ipv6/__init__.py is in python-melange 1:2012.1-3.
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# Copyright 2011 OpenStack LLC.
# 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.
from melange.common import config
from melange.common import exception
from melange.common import utils
def address_generator_factory(cidr, **kwargs):
default_generator = "melange.ipv6.tenant_based_generator."\
"TenantBasedIpV6Generator"
ip_generator_class_name = config.Config.get("ipv6_generator",
default_generator)
ip_generator = utils.import_class(ip_generator_class_name)
required_params = ip_generator.required_params\
if hasattr(ip_generator, "required_params") else []
not_none_kwargs = utils.remove_nones(kwargs)
missing_params = set(required_params) - set(not_none_kwargs.keys())
if missing_params:
raise exception.ParamsMissingError(_("Required params are missing: %s")
% (', '.join(missing_params)))
return ip_generator(cidr, **kwargs)
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