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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
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from six import string_types
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from six.moves import collections_abc
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def clean_none_dict_values(obj):
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"""
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Recursively remove keys with a value of None
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"""
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if not isinstance(obj, collections_abc.Iterable) or isinstance(obj, string_types):
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return obj
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queue = [obj]
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while queue:
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item = queue.pop()
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if isinstance(item, collections_abc.Mapping):
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mutable = isinstance(item, collections_abc.MutableMapping)
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remove = []
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for key, value in item.items():
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if value is None and mutable:
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remove.append(key)
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elif isinstance(value, string_types):
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continue
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elif isinstance(value, collections_abc.Iterable):
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queue.append(value)
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if mutable:
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# Remove keys with None value
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for key in remove:
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item.pop(key)
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elif isinstance(item, collections_abc.Iterable):
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for value in item:
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if value is None or isinstance(value, string_types):
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continue
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elif isinstance(value, collections_abc.Iterable):
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queue.append(value)
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return obj
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