checker.py 文件源码

def TRY(self, node):
        handler_names = []
        # List the exception handlers
        for i, handler in enumerate(node.handlers):
            if isinstance(handler.type, ast.Tuple):
                for exc_type in handler.type.elts:
                    handler_names.append(getNodeName(exc_type))
            elif handler.type:
                handler_names.append(getNodeName(handler.type))

            if handler.type is None and i < len(node.handlers) - 1:
                self.report(messages.DefaultExceptNotLast, handler)
        # Memorize the except handlers and process the body
        self.exceptHandlers.append(handler_names)
        for child in node.body:
            self.handleNode(child, node)
        self.exceptHandlers.pop()
        # Process the other nodes: "except:", "else:", "finally:"
        self.handleChildren(node, omit='body')