50 lines
1.9 KiB
Python
50 lines
1.9 KiB
Python
# Copyright 2016 NEC Corporation. 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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def apply_filters(query, model, **filters):
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filter_dict = {}
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for key, value in filters.items():
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column_attr = getattr(model, key)
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if isinstance(value, dict):
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if 'in' in value:
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query = query.filter(column_attr.in_(value['in']))
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elif 'nin' in value:
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query = query.filter(~column_attr.in_(value['nin']))
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elif 'neq' in value:
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query = query.filter(column_attr != value['neq'])
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elif 'gt' in value:
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query = query.filter(column_attr > value['gt'])
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elif 'gte' in value:
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query = query.filter(column_attr >= value['gte'])
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elif 'lt' in value:
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query = query.filter(column_attr < value['lt'])
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elif 'lte' in value:
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query = query.filter(column_attr <= value['lte'])
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elif 'eq' in value:
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query = query.filter(column_attr == value['eq'])
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elif 'has' in value:
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like_pattern = '%{0}%'.format(value['has'])
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query = query.filter(column_attr.like(like_pattern))
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else:
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filter_dict[key] = value
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if filter_dict:
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query = query.filter_by(**filter_dict)
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return query
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