8875b7404a
Now any Python class or object can be yaqlified with single function call or decorator. It is possible to call methods, access attributes/properties and index yaqlified objects. It is possible to disable any of these 3 operations and specify whitelist/blacklist of methods/attributes/keys that are exposed to the yaql. Change-Id: I8973492aa6a86d119b05fd33dd8b00ce283fee98
75 lines
2.7 KiB
Python
75 lines
2.7 KiB
Python
# Copyright (c) 2016 Mirantis, Inc.
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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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import six
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YAQLIZATION_ATTR = '__yaqlization__'
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def yaqlize(class_or_object=None, yaqlize_attributes=True,
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yaqlize_methods=True, yaqlize_indexer=True,
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auto_yaqlize_result=False, whitelist=None, blacklist=None,
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attribute_remapping=None, blacklist_remapped_attributes=True):
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def func(something):
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if not hasattr(something, YAQLIZATION_ATTR):
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setattr(something, YAQLIZATION_ATTR, build_yaqlization_settings(
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yaqlize_attributes=yaqlize_attributes,
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yaqlize_methods=yaqlize_methods,
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yaqlize_indexer=yaqlize_indexer,
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auto_yaqlize_result=auto_yaqlize_result,
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whitelist=whitelist,
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blacklist=blacklist,
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attribute_remapping=attribute_remapping,
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))
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return something
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if class_or_object is None:
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return func
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else:
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return func(class_or_object)
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def get_yaqlization_settings(class_or_object):
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return getattr(class_or_object, YAQLIZATION_ATTR, None)
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def is_yaqlized(class_or_object):
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return hasattr(class_or_object, YAQLIZATION_ATTR)
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def build_yaqlization_settings(
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yaqlize_attributes=True, yaqlize_methods=True, yaqlize_indexer=True,
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auto_yaqlize_result=False, whitelist=None, blacklist=None,
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attribute_remapping=None, blacklist_remapped_attributes=True):
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whitelist = set(whitelist or [])
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blacklist = set(blacklist or [])
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attribute_remapping = attribute_remapping or {}
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if blacklist_remapped_attributes:
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for value in six.itervalues(attribute_remapping):
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if not isinstance(value, six.string_types):
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name = value[0]
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else:
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name = value
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blacklist.add(name)
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return {
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'yaqlizeAttributes': yaqlize_attributes,
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'yaqlizeMethods': yaqlize_methods,
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'yaqlizeIndexer': yaqlize_indexer,
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'autoYaqlizeResult': auto_yaqlize_result,
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'whitelist': whitelist,
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'blacklist': blacklist,
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'attributeRemapping': attribute_remapping
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}
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