namespace.py 文件源码

def _namespace_set(self, node, value, unset=False):
        if value is not UNSET:
            if isinstance(node, ast.Name) and isinstance(node.ctx, ast.Store):
                names = (node.id,)
            else:
                names = get_ast_names(node)
                value = UNSET
        else:
            names = get_ast_names(node)

        if names is None:
            if self.namespace.enter_unknown_state():
                self.log(node,
                         "enter unknown namespace state: "
                         "don't support assignment %s",
                         compact_dump(node))
            return False

        for name in names:
            if unset:
                self.namespace.unset(name)
            else:
                self.namespace.set(name, value)
        return True