103 lines
3.0 KiB
Python
103 lines
3.0 KiB
Python
# Copyright (c) 2013 Mirantis 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 deep
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import types
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def transform_json(json, mappings):
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if isinstance(json, types.ListType):
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return [transform_json(t, mappings) for t in json]
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if isinstance(json, types.DictionaryType):
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result = {}
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for key, value in json.items():
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result[transform_json(key, mappings)] = \
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transform_json(value, mappings)
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return result
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elif isinstance(json, types.ListType):
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result = []
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for value in json:
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result.append(transform_json(value, mappings))
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return result
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elif isinstance(json, types.StringTypes) and json.startswith('$'):
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value = mappings.get(json[1:])
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if value is not None:
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return value
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return json
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def merge_lists(list1, list2):
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result = []
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for item in list1 + list2:
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exists = False
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for old_item in result:
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if deep.diff(item, old_item) is None:
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exists = True
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break
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if not exists:
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result.append(item)
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return result
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def merge_dicts(dict1, dict2, max_levels=0):
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result = {}
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for key, value in dict1.items():
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result[key] = value
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if key in dict2:
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other_value = dict2[key]
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if type(other_value) != type(value):
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raise TypeError()
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if max_levels != 1 and isinstance(
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other_value, types.DictionaryType):
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result[key] = merge_dicts(
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value, other_value,
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0 if max_levels == 0 else max_levels - 1)
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elif max_levels != 1 and isinstance(
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other_value, types.ListType):
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result[key] = merge_lists(value, other_value)
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else:
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result[key] = other_value
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for key, value in dict2.items():
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if key not in result:
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result[key] = value
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return result
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def find(f, seq):
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"""Return first item in sequence where f(item) == True."""
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index = 0
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for item in seq:
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if f(item):
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return item, index
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index += 1
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return None, -1
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def str2unicode(obj):
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if isinstance(obj, str):
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return unicode(obj)
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elif isinstance(obj, types.DictionaryType):
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result = {}
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for key, value in obj.items():
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result[str2unicode(key)] = str2unicode(value)
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return result
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elif isinstance(obj, types.ListType):
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return [str2unicode(t) for t in obj]
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return obj
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