zmqshell.py 文件源码

def visit_Subscript(self, node):
        super().generic_visit(node)
        if (isinstance(node.value, ast.Name) and
                    node.value.id == "Out" and
                isinstance(node.slice, ast.Index) and
                isinstance(node.slice.value, ast.Name)):
            return ast.copy_location(ast.Subscript(
                value=ast.Name(id=node.value.id, ctx=node.value.ctx),
                slice=ast.Index(value=ast.Str(s=node.slice.value.id)),
                ctx=node.ctx), node)
        return node