checker.py 文件源码

python
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项目:blackmamba 作者: zrzka 项目源码 文件源码
def DICT(self, node):
        # Complain if there are duplicate keys with different values
        # If they have the same value it's not going to cause potentially
        # unexpected behaviour so we'll not complain.
        keys = [
            convert_to_value(key) for key in node.keys
        ]

        key_counts = counter(keys)
        duplicate_keys = [
            key for key, count in key_counts.items()
            if count > 1
        ]

        for key in duplicate_keys:
            key_indices = [i for i, i_key in enumerate(keys) if i_key == key]

            values = counter(
                convert_to_value(node.values[index])
                for index in key_indices
            )
            if any(count == 1 for value, count in values.items()):
                for key_index in key_indices:
                    key_node = node.keys[key_index]
                    if isinstance(key, VariableKey):
                        self.report(messages.MultiValueRepeatedKeyVariable,
                                    key_node,
                                    key.name)
                    else:
                        self.report(
                            messages.MultiValueRepeatedKeyLiteral,
                            key_node,
                            key,
                        )
        self.handleChildren(node)
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