parsing.py 文件源码

def visit_Try(self, node):
        handlers = {}

        for handler in node.handlers:
            if isinstance(handler.type, ast.Tuple):
                # of form -- except TypeError, KeyError
                for el in handler.type.elts:
                    handlers[el.id] = self.parse_handler(handler)
            else:
                # either general handler, or single error handler
                k = 'all' if not handler.type else handler.type.id
                handlers[k] = self.parse_handler(handler)

        self.out.append({
            "node": node,
            "body": node.body,
            "orelse": node.orelse or None,
            "finalbody": node.finalbody or None,
            "handlers": handlers,
        })