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20 lines
541 B
Python
20 lines
541 B
Python
5 years ago
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from django.utils.itercompat import is_iterable
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def make_hashable(value):
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if isinstance(value, dict):
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return tuple([
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(key, make_hashable(nested_value))
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for key, nested_value in value.items()
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])
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# Try hash to avoid converting a hashable iterable (e.g. string, frozenset)
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# to a tuple.
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try:
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hash(value)
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except TypeError:
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if is_iterable(value):
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return tuple(map(make_hashable, value))
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# Non-hashable, non-iterable.
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raise
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return value
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