23 lines
775 B
Python
23 lines
775 B
Python
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# -*- coding: utf-8 -*-
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from benedict.core.groupby import groupby
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def _nest_items(nested_items, item, id_key, children_key):
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children_items = nested_items.pop(item[id_key], [])
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item[children_key] = children_items
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for child_item in children_items:
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_nest_items(nested_items, child_item, id_key, children_key)
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def nest(items, id_key, parent_id_key, children_key):
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if any([id_key == parent_id_key,
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id_key == children_key,
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parent_id_key == children_key]):
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raise ValueError('keys should be different.')
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nested_items = groupby(items, parent_id_key)
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root_items = nested_items.get(None, [])
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for item in root_items:
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_nest_items(nested_items, item, id_key, children_key)
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return nested_items.get(None)
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