astinit.py 文件源码

def generic_visit(self, node):
        """Called if no explicit visitor function exists for a node."""
        res = []
        for field, value in ast.iter_fields(node):
            if isinstance(value, list):
                for item in value:
                    vv = self.visit(item)
                    res.append(vv)
            elif isinstance(value, dict):
                for k, v in value:
                    res.append(self.visit(v))
                res.append(self.visit(value))
        if not res:
            print("visiting", node)
        return list(filter(None, res))