9 lines
284 B
Python
9 lines
284 B
Python
def from_json(cls, json):
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try:
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return cls.objects.get(pk=json["id"])
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except cls.DoesNotExist:
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keys = [f.name for f in cls._meta.get_fields()]
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subset = {key:json[key] for key in set(keys) & set(json.keys())}
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return cls.objects.create(**subset)
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