9bab0960b6
This change condenses the directory structure to something more similar to what we had before while producing similar packages. It also introduces version.py which allows us to get the version from git tags (or a fallback version if not available). Fixes lp bug 889336 Fixes lp bug 888795 Change-Id: I86136bd9dbabb5eb1f8366ed665ed9b54f695124
76 lines
2.4 KiB
Python
76 lines
2.4 KiB
Python
"""
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# vim: tabstop=4 shiftwidth=4 softtabstop=4
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#
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# Copyright 2011 Cisco Systems, Inc. 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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#
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# @author: Sumit Naiksatam, Cisco Systems, Inc.
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#
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"""
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import inspect
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from abc import ABCMeta, abstractmethod
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class L2NetworkSegmentationMgrBase(object):
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"""
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Base class for L2 Network Segmentation Manager
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"""
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__metaclass__ = ABCMeta
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@abstractmethod
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def reserve_segmentation_id(self, tenant_id, net_name, **kwargs):
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"""
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:returns:
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:raises:
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"""
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pass
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@abstractmethod
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def release_segmentation_id(self, tenant_id, net_id, **kwargs):
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"""
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:returns:
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:raises:
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"""
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pass
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@classmethod
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def __subclasshook__(cls, klass):
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"""
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The __subclasshook__ method is a class method
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that will be called everytime a class is tested
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using issubclass(klass, Plugin).
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In that case, it will check that every method
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marked with the abstractmethod decorator is
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provided by the plugin class.
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"""
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if cls is L2NetworkSegmentationMgrBase:
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for method in cls.__abstractmethods__:
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method_ok = False
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for base in klass.__mro__:
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if method in base.__dict__:
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fn_obj = base.__dict__[method]
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if inspect.isfunction(fn_obj):
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abstract_fn_obj = cls.__dict__[method]
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arg_count = fn_obj.func_code.co_argcount
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expected_arg_count = \
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abstract_fn_obj.func_code.co_argcount
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method_ok = arg_count == expected_arg_count
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if method_ok:
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continue
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return NotImplemented
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return True
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return NotImplemented
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