analyzer.py 文件源码

def visit_Attribute(self, node):
        # type: (ast.Attribute) -> None
        self.generic_visit(node)
        lhs_inferred_type = self._get_inferred_type_for_node(node.value)
        if lhs_inferred_type is None:
            return
        elif lhs_inferred_type == Boto3ModuleType():
            # Check for attributes such as boto3.client.
            if node.attr == self._CREATE_CLIENT:
                # This is a "boto3.client" attribute.
                self._set_inferred_type_for_node(node, Boto3CreateClientType())
        elif isinstance(lhs_inferred_type, Boto3ClientType):
            self._set_inferred_type_for_node(
                node,
                Boto3ClientMethodType(
                    lhs_inferred_type.service_name,
                    node.attr
                )
            )