69 lines
2.0 KiB
Python
69 lines
2.0 KiB
Python
# Copyright (c) 2014 Rackspace, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import cgi
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import itertools
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import pprint
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from oslo_log import log
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LOG = log.getLogger(__name__)
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class dict2obj(object):
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"""Creates objects that behave much like a dictionaries."""
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def __init__(self, d):
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for k in d:
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if isinstance(d[k], dict):
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self.__dict__[k] = dict2obj(d[k])
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elif isinstance(d[k], (list, tuple)):
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l = []
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for v in d[k]:
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if isinstance(v, dict):
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l.append(dict2obj(v))
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else:
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l.append(v)
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self.__dict__[k] = l
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else:
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self.__dict__[k] = d[k]
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def __getitem__(self, name):
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if name in self.__dict__:
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return self.__dict__[name]
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def __iter__(self):
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return iter(self.__dict__.keys())
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def __repr__(self):
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return pprint.pformat(self.__dict__)
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def help_escape(potentially_bad_string):
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if potentially_bad_string is None:
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LOG.warning('Should not happen: trying to escape a None object')
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return cgi.escape(potentially_bad_string or "")
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# remove duplicates
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# see http://bit.ly/1mX2Vcb for details
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def remove_duplicates(data):
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"""Remove duplicates from the data (normally a list).
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The data must be sortable and have an equality operator
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"""
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data = sorted(data)
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return [k for k, _ in itertools.groupby(data)]
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