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31 lines
907 B
Python
31 lines
907 B
Python
import itertools as it
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def merge_dicts_recursively(*dicts):
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"""
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Creates a dict whose keyset is the union of all the
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input dictionaries. The value for each key is based
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on the first dict in the list with that key.
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dicts later in the list have higher priority
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When values are dictionaries, it is applied recursively
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"""
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result = dict()
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all_items = it.chain(*[d.items() for d in dicts])
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for key, value in all_items:
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if key in result and isinstance(result[key], dict) and isinstance(value, dict):
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result[key] = merge_dicts_recursively(result[key], value)
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else:
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result[key] = value
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return result
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def soft_dict_update(d1, d2):
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"""
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Adds key values pairs of d2 to d1 only when d1 doesn't
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already have that key
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"""
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for key, value in list(d2.items()):
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if key not in d1:
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d1[key] = value
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