owner.py 文件源码

def eval_(self, ctx, *, code: cleanup_code):
        """Alternative to `debug` that executes code inside a coroutine.

        Allows multiple lines and `await`ing.

        This is a modified version of RoboDanny's latest `eval` command.
        """
        env = get_env(ctx)

        to_compile = 'async def _func():\n%s' % textwrap.indent(code, '  ')

        stdout = io.StringIO()
        try:
            exec(to_compile, env)
        except SyntaxError as e:
            await ctx.send(self.eval_output('\n'.join(get_syntax_error(e).splitlines()[1:-1])))
            return

        func = env['_func']
        try:
            with redirect_stdout(stdout):
                ret = await func()
        except Exception as e:
            value = stdout.getvalue()
            exc = traceback.format_exc().replace(UPPER_PATH, '...').splitlines()
            exc = '\n'.join([exc[0], *exc[3:]])
            await ctx.send(self.eval_output(f'{value}{exc}'))
        else:
            value = stdout.getvalue()
            if isinstance(ret, discord.Embed):
                await ctx.send(self.eval_output(value if value else None), embed=ret)
            else:
                await ctx.send(self.eval_output(value if ret is None else f'{value}{rep(ret)}'))