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57 lines
1.8 KiB
Python
57 lines
1.8 KiB
Python
import copy
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from six import iteritems
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def nested_delete(document, key, in_place=False):
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if not in_place:
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document = copy.deepcopy(document)
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return _nested_delete(document=document, key=key)
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def _nested_delete(document, key):
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"""
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Method to delete a key->value pair from a nested document
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Args:
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document: Might be List of Dicts (or) Dict of Lists (or)
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Dict of List of Dicts etc...
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key: Key to delete
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Return:
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Returns a document that includes everything but the given key
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"""
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if isinstance(document, list):
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for list_items in document:
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_nested_delete(document=list_items, key=key)
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elif isinstance(document, dict):
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if document.get(key):
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del document[key]
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for dict_key, dict_value in iteritems(document):
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_nested_delete(document=dict_value, key=key)
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return document
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def nested_update(document, key, value, in_place=False):
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if not in_place:
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document = copy.deepcopy(document)
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return _nested_update(document=document, key=key, value=value)
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def _nested_update(document, key, value):
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"""
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Method to update a key->value pair in a nested document
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Args:
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document: Might be List of Dicts (or) Dict of Lists (or)
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Dict of List of Dicts etc...
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key: Key to update the value
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Return:
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Returns a document that has updated key, value pair.
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"""
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if isinstance(document, list):
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for list_items in document:
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_nested_update(document=list_items, key=key, value=value)
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elif isinstance(document, dict):
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if document.get(key):
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document[key] = value
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for dict_key, dict_value in iteritems(document):
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_nested_update(document=dict_value, key=key, value=value)
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return document
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