56 lines
1.8 KiB
Python
56 lines
1.8 KiB
Python
#!/usr/bin/env python
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# Copyright 2019 Red Hat, Inc.
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# 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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from collections import OrderedDict
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from operator import itemgetter
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class FilterModule(object):
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def filters(self):
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return {
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'singledict': self.singledict,
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'subsort': self.subsort
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}
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def subsort(self, dict_to_sort, attribute, null_value=None):
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"""Sort a hash from a sub-element.
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This filter will return a sorted list of tuples from a dictionary
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using an attribute from within the hash. If the sort attribute is
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undefined it will be set in the returned item as the defined
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`null_value`. This makes it possible to sort all items equally.
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"""
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for k, v in dict_to_sort.items():
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if attribute not in v:
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dict_to_sort[k][attribute] = null_value
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return sorted(
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dict_to_sort.items(),
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key=lambda x: x[1][attribute]
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)
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def singledict(self, list_to_convert):
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"""Generate a single dictionary from a list of dictionaries.
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This filter will return a single dictionary from a list of
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dictionaries.
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"""
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return_dict = {}
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for i in list_to_convert:
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return_dict.update(i)
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return return_dict
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